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A commoning electrical connector 2 includes multiple insulation displacement terminals 30 mounted in a molded electrical connector housing 10 . The connector 2 can be used to common wires 4 in automotive wiring harnesses and provides a low profile package for mounting wires in a confined space, such

A commoning electrical connector 2 includes multiple insulation displacement terminals 30 mounted in a molded electrical connector housing 10 . The connector 2 can be used to common wires 4 in automotive wiring harnesses and provides a low profile package for mounting wires in a confined space, such as in an automobile headliner. The terminated connector 2 can be adhesively bonded to a substructure, such as an automobile headliner. The molded housing 10 also includes wire retention members 14 on exterior faces of side walls so that the housing 10 can be molded without side pulls. Wires are laced in a termination fixture 60 , and the connector 2 aligned by fixture posts 70 and alignment holes 22 on the connector, which is then pushed onto the termination fixture 60 to terminate wires 4 in insulation displacement slots 32.

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1. An electrical connector for use in commoning wires and for mounting the wires on a substructure, the electrical connector comprising:a molded housing including a cavity formed by an interior surface of at least one wall with channels extending through the wall for insertion of the wires;at least

1. An electrical connector for use in commoning wires and for mounting the wires on a substructure, the electrical connector comprising:a molded housing including a cavity formed by an interior surface of at least one wall with channels extending through the wall for insertion of the wires;at least one insulation displacement terminal mounted in the cavity and secured to the molded housing, each insulation displacement terminal including multiple wire receiving slots aligned with the channels extending though the walls, each insulation displacement terminal comprising means for commoning at least two wires; and,wire retention members molded as part of the housing, and extending outwardly from an exterior surface of the wall on each side of each said channels the wire retention members having tangs aligned with the channels and inclined in an insertion direction of the wires to form a restricted opening between the tangs of adjacent ones of said wire retention members. 2. The electrical connector of claim 1 wherein each insulation displacement terminal comprises U-shaped member with the wire receiving slots extending into each of two parallel sidewalls extending upwardly from a terminal base, the terminal base being permanently secured to the molded housing. 3. The electrical connector of claim 1 wherein multiple insulation displacement terminals are positioned, end to end, within the same cavity. 4. The electrical connector of claim 3 wherein the cavity is formed in part by the interior surfaced of two opposed walls, each wall including aligned channels and aligned wire retention members to permit wire to pass through the electrical connector. 5. The electrical connector of claim 4 wherein a segmented ledge is formed in surrounding relationship to the cavity, the segmented ledge extending beyond the two walls and being formed by surfaces on end of the wire retention members opposite the tangs. 6. The electrical connector of claim 4 wherein each insulation displacement terminal is secured to a cavity base wall extending between the two opposed walls. 7. The electrical connector of claim 6 wherein two alignment holes extend through the base wall between insulation displacement terminals, the two alignment holes comprising means for receiving alignment pins on a wire termination fixture engagable with the electrical connector to insert wires into the wire receiving slots. 8. The electrical connector of claim 1 wherein the channels are open at a mounting edge of the wall and the wall includes mounting surfaces on the mounting edge flanking open ends of the channels, the mounting surfaces comprising means for mounting the electrical connector on the substructure. 9. The electrical connector of claim 8 wherein the mounting surfaces comprise flat surfaces comprising means for adhesively securing the electrical connector to the substructure. 10. The electrical connector of claim 1 wherein the wire retention members are located in nonoverlapping relationship relative to remaining portions of the molded housing, so that the housing can be molded with only straight action mold tooling. 11. The electrical connector of claim 10 wherein the wire retention members included support ribs, each support rib extending between two adjacent channels. 12. A low profile electrical connector for commoning wires and adapted for mounting on a substrate, the connector comprising:a one-piece molded housing including:a mounting surface for mounting the housing on a substrate,a cavity defined by an interior surface of at least one wall and a base with channels extending through the wall, the cavity extending into the mounting surface, andwire retention members molded as part of the housing, each entire wire retention member extending outwardly from an exterior surface of the wall on each side of each said channel, the wire retention members having tangs aligned with the channels and inclined in an insertion direction of the wires to form a restricted openi ng between the tangs of adjacent ones of said wire retention members; andat least one insulation displacement terminal mounted in the cavity and secured to the base of the cavity, each insulation displacement terminal including multiple wire receiving slots extending toward the mounting surface and aligned with the channels extending through the walls, each insulation displacement terminal comprising means for commoning at least two wires. 13. The electrical connector of claim 12 wherein the at least one insulation displacement terminal comprises two terminal walls extending upwardly from a terminal base the terminal base having mounting openings therein, the insulation displacement terminal being secured to the base of the cavity by tabs integral to the housing and extending through the mounting openings.