JP2007202352A - Wire harness interconnection box for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wire harness interconnection box, with which a quantity of connectors required for interconnection of wire harness is reduced, male terminals which are easy to deform are excluded from these connectors, and terminals to be retrofited are excluded, when temporary binding harness is manufactured. <P>SOLUTION: In the wire harness interconnection box which connects a plurality of the wire harness to be arranged and cabled to each other in a vehicle, a plurality of connector engaging portions are provided at an outer face of a casing, conductors constituting through circuits are held within the casing, the male terminals are provided at both ends of the conductors, and the male terminals are projected from terminal holes provided at bottom faces of the connector engaging portions. Female terminals which engage with and connect to the male terminals are held and fitted within the connectors, connected to terminals of a plurality of the wire harness, the connectors of the wire harness terminals are engaged with the connector engaging portions of the casing, and the harness is electrically connected to the connectors of the required wire harness terminals via the through circuits consisting of the conductors in the casing. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a wire harness interconnection box for a vehicle, and more particularly, to efficiently interconnect an instrument panel harness, an engine room harness, a door harness, and the like that are divided and formed for each area of the vehicle.

Conventionally, wire harnesses routed in automobiles are manufactured separately for each part of the automobile, and are broadly divided into instrument panel harnesses that are routed in the instrument panel, engine room harnesses that are routed in the engine room, and floors. It consists of a floor harness to be routed, a door harness to be routed to the door, and a roof harness to be routed to the roof.
Each of these wire harnesses is formed in advance by a wire harness manufacturer, and in a car manufacturer, after assembling to a vehicle body along a required wiring path in a vehicle assembly line, the required connection path is a terminal of the wire harness. The connectors connected to each other are interconnected.

The interconnection between the wire harnesses is disclosed in Japanese Patent Laid-Open No. 11-176242 (Patent Document 1) and the like, and a male connector provided with a male terminal connected to an electric wire terminal of one wire harness and the other. The female connector provided with the female terminal connected to the electric wire terminal of the wire harness is male-female-connected.
For example, in the vicinity of the left and right front doors of an automobile, a plurality of divided wire harnesses are intensively connected as shown in FIG. Specifically, the connectors 2A, 2B, 2C are connected to the terminals of the instrument panel harness 1, the connectors 4A, 4B are connected to the terminals of the engine room harness 3, the connectors 6 are connected to the terminals of the door harness 5, and the connectors 8A, 8B are connected to the terminals of the floor harness 7. Then, the required connectors are connected to each other and the wire harnesses are connected to each other.

However, in the connection form between the connectors as described above, it is necessary to provide a connector for each wire harness of the other party to be connected. Therefore, the number of connectors becomes very large, resulting in high cost and a large space on the vehicle. There is a problem that it is necessary and the number of connection points of the connector increases, and the assembly work becomes complicated.
Moreover, in the said structure, the male connector provided with the male terminal and the female connector provided with the female terminal are male-female fitting-connected. Therefore, a male connector is indispensable, but this male connector has a tab-shaped male terminal protruding inside the connector, and external force is applied to the male terminal during transportation of the wire harness or during assembly to the vehicle body. In addition, the male terminal may be deformed.

  More specifically, for example, the instrument panel harness 1 is formed by temporarily binding temporary binding harnesses 1A, 1B, and 1C each having a connector connected to a terminal, as shown in FIG. If the connector 2 is provided for each counterpart wire harness to be connected in the state of such temporary binding harnesses 1A to 1C, the number of connectors becomes very large. Therefore, in the instrument panel harness 1 shown in FIG. 10, 14 connectors 2 must be provided in order to connect to the wire harnesses of other parts.

Therefore, as shown in FIG. 11, among the temporary binding harnesses 1A, for example, the connector 2 is connected to the electric wire w1 connected to the engine room harness on the left side of the vehicle, while the temporary binding harnesses 1B and 1C are the same. The terminals T are connected in the state of bare terminals without connecting the connectors to the wires w2 and w3 to be connected to the harness. The number of connectors can be reduced to six with one connector for each.
However, with such a configuration, there is a problem that the terminal T becomes a later insertion terminal that is not accommodated in the connector 2 until the temporary binding harnesses 1A to 1C are finally bound, and the terminal T is likely to be deformed before the binding. .

Japanese Patent Laid-Open No. 11-176242

  The present invention has been made in view of the above problems, and reduces the number of connectors necessary for interconnecting wire harnesses, eliminates male terminals that are easily deformed from these connectors, and manufactures a temporary binding harness. The goal is to eliminate the last terminal.

In order to solve the above problems, the present invention provides a wire harness interconnection box for connecting a plurality of wire harnesses arranged in a vehicle, wherein a plurality of connector fitting portions are provided on an outer surface of the case, Contains the conductors constituting the through circuit, male terminals are provided at both ends of these conductors, these male terminals are projected from the terminal holes provided in the bottom surface of the connector fitting portion,
A female terminal to be fitted and connected to the male terminal is accommodated and locked in a connector connected to the plurality of wire harness terminals, and the connector of the wire harness terminal is fitted to the connector fitting portion of the case. Thus, a wire harness interconnection box for a vehicle is provided which is electrically connected to a connector of a required wire harness terminal via a through circuit made of a conductor inside the case.

According to the said structure, since the wire harness routed in the different site | parts of a vehicle is not directly connected with a connector but connected via the through circuit of a wire harness interconnection box, the wire harness of the other party to connect It is not necessary to provide a connector every time, and even if the wire harness of the other party to be connected is a different electric wire, these electric wire terminals can be connected to the same connector.
For example, in the conventional example, the connector is provided for each engine room harness, door harness, and floor harness of the other party to be connected to the instrument panel harness, but according to the above configuration, the instrument panel harness is connected regardless of the other party harness to be connected. The same connector can be connected to the electric wire terminal and connected to a required harness via a through circuit of the interconnection box.
As a result, the number of connectors required to interconnect the wire harnesses routed in different parts of the vehicle can be reduced, so that the cost can be reduced and the number of connectors connected can also be reduced. The wiring space can be saved, and the assembly work of the wire harness can be facilitated.

In addition, since a male terminal is provided on the conductor of the through circuit of the wire harness interconnection box, and all the terminals connected to the wire terminals on the connector side connected to the through circuit are female terminals, male terminals that are easily deformed by external force are wired. There is no need to provide it on the harness side. Thereby, the installation and process which were required in order to prevent a deformation | transformation of a male terminal can be abbreviate | omitted, and the manufacturing cost of a wire harness can be reduced.
In addition, if all the female terminals of the terminal of the wire in the interconnection box have the same shape, all the male terminals connected to the other wire harness terminal have the same shape, and the number of parts can be reduced from the point that the types of terminals can be reduced. The workability can be improved.

  Furthermore, as described above, even an electric wire connected to a different wire harness can be connected to the same connector, so that all terminals can be accommodated in the connector in the state of a temporary binding harness, The last insertion terminal can be eliminated. Thus, even if all the terminals are accommodated in the connector in the state of the temporary binding harness, there is no need to provide a different connector for each partner wire harness to be connected, so the number of connectors does not increase.

  The conductor accommodated in the case is made of an insulation-coated electric wire, the male terminals are connected to both ends of each electric wire, and the terminal hole of the connector fitting portion for locking these male terminals is the connector fitting portion. It is preferable to select according to the connection path | route of each electric wire of the wire harness with which a terminal connector is fitted.

Further, a bus bar for a through circuit in which a conductor accommodated in the case is fixed on an insulating plate, one or more layers in which the bus bar is fixed on the insulating plate is accommodated in the case, and tabs on both ends of each bus bar It is good also as a structure which forms the male terminal which becomes.
Furthermore, the conductor accommodated in the case is a conductor formed for a through circuit on a printed circuit board, and both ends of these conductors extend to the edge of the circuit board, and a male terminal is welded to the both ends from the circuit board edge. It is good also as a structure which protrudes and accommodates this printed circuit board in a case inside 1 layer or more.

According to the above configuration, since the required wires of the wire harness can be connected to each other by the conductor of the through circuit housed in the case, the wires of each wire harness can be optimally arranged without considering the connection with the counterpart wire harness. It is possible to increase the design freedom. Furthermore, since the terminals of the connector of the wire harness terminal are not directly connected to the terminal of the connector of the other wire harness, the wires in the interconnection box are interposed, so there is no need to consider the arrangement of the terminals of these connectors From this point, the degree of freedom in design can be increased.
Moreover, when a design change occurs in the interconnection of the wire harness, it is possible to cope with the design change only by changing the through circuit of the interconnection box without changing the arrangement of the electric wires connected to the connector. .

It is preferable that a plurality of connector fitting portions provided on the outer surface of the case of the interconnection box are provided on the same surface or provided on different surfaces.
For example, if a plurality of connector fitting portions are provided on the same outer surface of the case of the interconnection box, when connecting the wire harness to the interconnection box mounted on the vehicle in the vehicle assembly line, the connector fitting of the interconnection box is performed. All connectors can be inserted into the joint from the same direction, and the connector connection work can be facilitated.

  In addition, instead of providing the connector fitting portion on the same surface of the case outer surface of the interconnection box, a connector fitting portion may be provided on the side surface corresponding to the wiring position of each wire harness. The wire harness can be efficiently routed, and the connector of the wire harness terminal can be connected to the interconnection box with good workability.

The wire harness in which the terminal connector is fitted to the connector fitting portion is preferably two or more types of harness selected from an instrument panel harness, an engine room harness, a door harness, a floor harness, and a roof harness.
Since the instrument panel harness, engine room harness, door harness, floor harness, and roof harness are connected at positions close to each other, the wire harness interconnection box of the present invention can be suitably used for connecting these wire harnesses. .

  When the wire harness interconnection box of the present invention is mounted on the left and right sides of the instrument panel and in the vicinity of the front part of the left and right front doors, the plurality of wire harnesses can be connected efficiently.

  As described above, according to the present invention, the wire harnesses routed in different parts of the vehicle are connected via the through circuit of the wire harness interconnection box. Even if the wire harness of the other party to be connected is a different electric wire, these electric wire terminals can be connected to the same connector. As a result, the number of connectors required to interconnect the wire harnesses routed in different parts of the vehicle can be reduced, so that the cost can be reduced and the number of connectors connected can also be reduced. The wiring space can be saved, and the assembly work of the wire harness can be facilitated.

  In addition, since a male terminal is provided on the conductor of the through circuit of the wire harness interconnection box, and all the terminals connected to the wire terminals on the connector side connected to the through circuit are female terminals, male terminals that are easily deformed by external force are wired. There is no need to provide it on the harness side. Thereby, the installation and process which were required in order to prevent a deformation | transformation of a male terminal can be abbreviate | omitted, and the manufacturing cost of a wire harness can be reduced. Furthermore, if the female terminal connected to the wire terminal in the interconnection box is a terminal having the same shape, the male terminal on the connector side of the wire harness terminal can also have the same shape, and the type of terminal can be reduced. The assembly workability can be improved.

  In addition, even wires connected to different harnesses can be connected to the same connector, so all terminals can be accommodated in the connector in the state of a temporary binding harness, Can be eliminated. Thus, even if all the terminals are accommodated in the connector in the state of the temporary binding harness, it is not necessary to provide a different connector for each harness to be connected, so that the number of connectors does not increase.

Embodiments of the present invention will be described with reference to the drawings.
1 to 4 show a first embodiment of the present invention.
Wire harness interconnection boxes 10A and 10B (hereinafter referred to as interconnection boxes 10) for vehicles are close to the left and right sides of the instrument panel and the front of the left and right front doors as shown in the schematic diagram of FIG. The instrument panel harness 20, the engine room harness 30, the door harness 40, and the floor harness 50 are connected to each other via the interconnection box 10.

  In the present embodiment, the instrument panel harness, the engine room harness, the door harness, and the floor harness are interconnected via the interconnection box 10, but these may be connected to the roof harness, and these wire harnesses Two or more types of harnesses selected from the above may be connected.

  As shown in FIG. 2, the case 11 of the interconnection box 10 includes a case main body 12 having an upper surface opening and a plate-like cover 13 for closing the upper surface opening of the case main body 12, and a through circuit is formed inside the case. After the electric wire 14 that is the conductor to be accommodated is received, the lock claw 13a of the cover 13 is inserted and locked into the lock frame 12a of the case main body 12, and the case main body 12 and the cover 13 are locked and assembled.

A plurality of connector fitting portions 15 are provided on the outer surface of each side wall of the case body 12, and these connector fitting portions 15 are provided on the outer surfaces of the side walls that differ for each wire harness to be connected.
That is, the connector fitting portion 15A to which the connector 23 of the terminal of the instrument panel harness 20 is fitted and connected, the connector fitting portion 15B to which the connector 33 of the terminal of the engine room harness 30 is fitted and connected, and the connector of the terminal of the door harness 40 A connector fitting portion 15C to which 43 is fitted and connected, and a connector fitting portion 15D to which the connector 53 of the terminal of the floor harness 50 is fitted and connected are provided on the outer surfaces of different side walls.
Moreover, connector fitting part 15A-15D is provided in the side wall outer surface corresponding to the wiring side of the instrument panel harness 20, the engine room harness 30, the door harness 40, and the floor harness 50, respectively.

  A plurality of terminal holes 15a are formed in the bottom surface of each connector fitting portion 15 and are connected to both ends of an insulation-coated electric wire 14 constituting a through circuit accommodated in the case by crimping or pressure welding. The terminal 16 is fixed to the case body 12 in a state where the terminal 16 protrudes from the terminal hole 15 a into the connector fitting portion 15. That is, the interconnection box 10 of the present invention is provided with only a through circuit as an internal circuit. Therefore, the interconnection box 10 is not provided with a branch circuit as an internal circuit, and is not provided with a relay or a fuse in the internal circuit.

  On the other hand, the instrument panel harness 20, the engine room harness 30, the door harness 40, and the floor harness 50 that are interconnected via the interconnection box 10 are female at the terminals of the electric wires 21, 31, 41, 51 that constitute each harness. The terminals 22, 32, 42, 52 are connected, and these female terminals 22, 32, 42, 52 are housed and locked in the terminal housing chambers in the connector housings of the required connectors 23, 33, 43, 53. .

  Therefore, when the connector on the wire harness side is fitted to each connector fitting portion 15, the male terminals 16 at both ends of the wire 14 and the female terminals 22, 32, 42, 52 connected to the wire terminals of each wire harness are fitted and connected. Then, the electric wires 21, 31, 41, 51 of the respective wire harnesses are interconnected via the electric wires 14 that are through circuits of the interconnection box 10.

In addition, the terminal hole 15a of the connector fitting part 15 which latches the male terminal 16 connected to the both ends of the electric wire 14 accommodated in the case of the said interconnection box 10 is a wire harness connected to this connector fitting part 15 Is selected according to the connection path of each wire.
For example, the through-circuit electric wire 14A that connects the electric wire 21A of the instrument panel harness 20 and the electric wire 31A of the engine room harness 30 is locked to the terminal hole 15a-1 provided at a position corresponding to the electric wire 21A. On the other hand, the male terminal 16 at the other end is locked in a terminal hole 15a-2 provided at a position corresponding to the electric wire 31A.

  The instrument panel harness 20, the engine room harness 30, the door harness 40, and the floor harness 50 are manufactured by forming a plurality of temporary binding harnesses and then binding these temporary binding harnesses. The method of creating the temporary binding harness and the method of binding these temporary binding harnesses are substantially the same as the conventional ones, but the connection form between the electric wires and the connectors of the temporary binding harnesses is different from the conventional one.

  For example, the manufacturing of the instrument panel harness 20 will be described. The instrument panel harness 20 is manufactured by binding the temporary binding harnesses 20A, 20B, and 20C shown in FIG. The instrument panel harness 20 of the present embodiment is not directly connected to a wire harness at a different part, but is connected to a wire harness at a different part via the interconnection box 10, so that the counterpart to which the electric wire 21 of the instrument panel harness 20 is connected. The same connector 23 is connected regardless of the harness. Since the connection of the electric wire 21 to the connector 23 is performed at the stage of the temporary binding harnesses 20A, 20B, and 20C, it is possible to eliminate a terminal terminal that is not accommodated in the connector until the final binding.

  According to the said structure, since the instrument panel harness 20, the engine room harness 30, the door harness 40, and the floor harness 50 which are routed in the different site | parts of the vehicle are connected via the through circuit of the interconnection box 10, it connects. It is not necessary to provide a connector for each wire harness of the other party, and these wire terminals can be connected to the same connector even if the wire harness of the other party to be connected is different. As a result, the number of connectors necessary for interconnecting the wire harnesses can be reduced, thereby reducing the cost and the number of connectors to be connected, thereby reducing the wiring harness wiring space. In addition, the assembly work of the wire harness can be facilitated.

  In addition, since male terminals are provided at both ends of the wire constituting the through circuit of the interconnection box 10 and all the terminals connected to the wire terminals on the connector side connected to the through circuit are female terminals, the male terminal is easily deformed by an external force. There is no need to provide a terminal on the wire harness side. Thereby, the installation and process which were required in order to prevent a deformation | transformation of a male terminal can be abbreviate | omitted, and the manufacturing cost of a wire harness can be reduced.

  Furthermore, since the connector fitting portion 15 is provided on the outer surface of the side wall corresponding to the wiring side of the instrument panel harness 20, the engine room harness 30, the door harness 40, and the floor harness 50, each wire harness can be routed efficiently. Can do.

FIG. 5 shows a second embodiment of the present invention.
In this embodiment, the conductor which comprises the through circuit accommodated in the case of the interconnection box 10 is made different from 1st Embodiment.
Specifically, the conductor constituting the through circuit is a bus bar 17 formed by punching a conductive metal plate into a required shape, and two layers in which the bus bar 17 is fixed on the insulating plate 18 are stacked and accommodated in the case. is doing.
Male terminals 17a made of tabs are formed at both ends of each bus bar 17, and these male terminals 17a are projected into the connector fitting portion 15 through terminal holes 15a provided in the case.
Therefore, when the connector on the harness side is fitted to each connector fitting portion 15, the male terminal 17 a of the bus bar 17 and the female terminal in the connector are fitted and connected, and the wires of the respective wire harnesses are interconnected via the bus bar 17. Is done.

In this embodiment, two layers in which the bus bar is fixed to the insulating plate are provided. However, if the through circuit does not intersect inside the case, the layer may be one layer. If the through circuit is complicated, 3 layers may be provided. It is good also as a layer or more.
In addition, since other configurations and operational effects are the same as those of the first embodiment, the same reference numerals are given and description thereof is omitted.

FIG. 6 shows a third embodiment of the present invention.
In the present embodiment, the conductors constituting the through circuit of the interconnection box 10 are the conductors 61 formed on the printed circuit board 60, and both ends of the conductors 61 extend to the edge of the board, and the male terminals 62 are provided at both ends. It is welded or soldered to protrude from the edge of the substrate, and protrudes into the connector fitting portion 15 through a terminal hole 15a provided in the case.
Accordingly, when the connector on the harness side is fitted to each connector fitting portion 15, the male terminal 62 connected to the conductor 61 of the printed circuit board 60 and the female terminal in the connector are connected by male and female, and the conductor 61 of the printed circuit board 60 is connected. The wires of the harnesses are interconnected via each other.
In the present embodiment, two layers of the printed circuit board 60 are laminated. However, as in the second embodiment, the printed circuit board 60 may be one layer or three or more layers depending on the form of the through circuit.
In addition, since another structure and an effect are the same as that of 1st Embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted.

FIG. 7 shows a fourth embodiment of the present invention.
In the interconnection box 10 ′ of the present embodiment, all the connector fitting portions 15 ′ are provided on the same surface of the case main body 12 ′, and the side facing the side wall provided with the connector fitting portions 15 ′ is an opening. After the conductor constituting the through circuit is accommodated in the case main body 12 ′, the opening is closed by the cover 13 ′. Moreover, connector fitting part 15 'provided in the same surface is arrange | positioned collectively for every wire harness connected, and connector fitting part 15A' by which the connector of an instrument panel harness terminal is fitted in this embodiment. , The second stage is the connector fitting part 15B ′ to which the connector of the engine room harness terminal is fitted, the third stage is the connector fitting part 15C ′ to which the connector of the door harness terminal is fitted, and the floor harness terminal The connector fitting portion 15D ′ to which the connector is fitted is provided at the lowermost stage. Thereby, even if the connector fitting part 15 is provided in the same surface of the case main body 12, the connector of a different wire harness is not misfitted.

  The conductor constituting the through circuit accommodated in the case body 12 'is an electric wire (not shown) similar to that of the first embodiment, and the male terminal 16' connected to both ends of the electric wire is a required terminal hole (not shown). Through the connector fitting portion 15 '.

According to the said structure, when connecting a wire harness to interconnection box 10 'mounted in the vehicle in the assembly line of a vehicle, all the connectors are inserted into the connector fitting part 15' of interconnection box 10 'from the same direction. Therefore, the connector connection work can be facilitated.
In this embodiment, the conductor constituting the through circuit is an electric wire. However, as in the second and third embodiments, the conductor may be a bus bar in which a conductive metal plate is punched into a required shape and arranged on an insulating plate. It is good also as a conductor of a printed circuit board.

FIG. 8 shows a fifth embodiment of the present invention.
In the interconnection box 70 of the present embodiment, the connector fitting portion for fitting the connector of the wire harness is not provided integrally with the case of the interconnection box, but is provided separately from the lock portion (not shown) of the case 71. The connector 72 is attached to form a connector fitting portion.
When creating the interconnection box 70, the male terminals connected to both ends of the electric wire 73 constituting the through circuit are protruded into the connector 72 to connect the connector 72 to both ends of the electric wire 73, and then the connector 72 is connected. Is fixed to the lock portion of the case 71.

  According to the above-described configuration, the electric wire 73 constituting the through circuit can be assembled to the case 71 only by locking the connector 72 to the case 71 of the interconnection box 70, thereby facilitating the creation of the interconnection box 70. it can. Moreover, the conventional general connector can be utilized for the connector connected to the wire harness terminal side.

It is the schematic which shows the arrangement position of the interconnection box of embodiment of this invention. It is a disassembled perspective view of the interconnection box of 1st Embodiment. It is a horizontal sectional view of an interconnection box. It is drawing which shows the temporary binding harness before this instrument panel harness is finally bound. It is sectional drawing of the interconnection box of 2nd Embodiment. It is sectional drawing of the interconnection box of 3rd Embodiment. It is a perspective view of the interconnection box of 4th Embodiment. It is a side view of the interconnection box of a 5th embodiment. It is drawing which shows a prior art example. It is drawing which shows the problem of a prior art example. It is drawing which shows the other problem of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10, 10 ', 70 Wire harness interconnection box 11 for vehicles 11 Case 12 Case main body 14 Electric wire 15 which comprises a through circuit Connector fitting part 16 Male terminal 17 Bus bar 20 which comprises a through circuit Instrument panel harness 21, 31, 41, 51 Electric wire 22, 32, 42, 52 Female terminal 23, 33, 43, 53 Connector 30 Engine room harness 40 Door harness 50 Floor harness 60 Printed circuit board 61 Conductor constituting through circuit

Claims (7)

A wire harness interconnection box for connecting a plurality of wire harnesses arranged in a vehicle,
A plurality of connector fitting portions are provided on the outer surface of the case, and conductors constituting a through circuit are accommodated inside the case, male terminals are provided at both ends of the conductors, and the male terminals are connected to the bottom surface of the connector fitting portion. A female terminal that is fitted and connected to the male terminal is accommodated and locked in the connector connected to the plurality of wire harness terminals, and the connector of the wire harness terminal is connected to the case. A wire harness interconnection box for a vehicle, wherein the vehicle wire harness interconnection box is electrically connected to a connector of a required wire harness terminal through a through circuit made of a conductor inside the case.   The conductor accommodated in the case is made of an insulation-coated electric wire, the male terminals are connected to both ends of each electric wire, and the terminal hole of the connector fitting portion for locking these male terminals is the connector fitting portion. The wire harness interconnection box for vehicles according to claim 1 which is selected according to the connection route of each electric wire of the wire harness into which a terminal connector is fitted. The conductor accommodated inside the case is composed of a bus bar for a through circuit fixed on an insulating plate, and one or more layers in which the bus bar is fixed on the insulating plate are accommodated in the case,
A male terminal made of a tab is formed at both ends of each bus bar, and the terminal hole of the connector fitting part that locks the male terminal is provided for each wire harness in which the terminal connector is fitted to the connector fitting part. The wire harness interconnection box for vehicles according to claim 1 selected according to a connection route of electric wires. The conductor housed in the case is made of a conductor formed on the printed circuit board for a through circuit. Both ends of these conductors extend to the edge of the board and are welded with male terminals at both ends from the board edge. Projecting, accommodating one or more layers of the printed circuit board inside the case,
The terminal hole of the said connector fitting part which latches these male terminals is selected according to the connection path | route of each electric wire of the wire harness by which a terminal connector is fitted by this connector fitting part. Wire harness interconnect box for any vehicle.   The wire harness interconnection box for vehicles according to any one of claims 1 to 4, wherein a plurality of connector fitting portions provided on the outer surface of the case are provided on the same surface or provided on different surfaces.   The wire harness in which the terminal connector is fitted to the connector fitting portion is two or more types of harnesses selected from an instrument panel harness, an engine room harness, a door harness, a floor harness, and a roof harness. The wire harness interconnection box for vehicles of any one of these.   The wire harness interconnection box for vehicles according to any one of claims 1 to 6, which is mounted on both the left and right sides of the instrument panel and close to the front part of the left and right front doors.

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