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Wiring Diagram or Pin Out Door Harness Connector

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I am trying to troubleshoot the signals from the door switches that are routed through the driver's door and into the car. There is large block connector shown in the attached picture. Is there a pinout available that identifies the signals that are originating from within the door panel ( door micro switches, window power, door lights etc) and to what pin on the large block connector they are terminated on?

My central locking system thinks that the driver door is always closed, and is not seeing the signal from the inside or outside door handle micro switch . I believe the problem is in the wiring and not with the micro switches. I am trying to trace the signals, and having the pinout for this block connector would be a great help.


Edited by andyman
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  • 2 weeks later...
  • Admin

You will find pieces of the block connector on each of the signal major units wiring diagram (i.e. air bag, door lights, door microswitches, locks, etc.).

Best thing to do (i think) is remove the connector - clean - look for damaged or corroded pins. Not too uncommon in wet or snowy areas.

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  • 1 year later...
  • Admin

Digging up this thread.


Loren, do you know what size those male pins are? I have a broken one from corrosion. I have tried the Molex connectors from a 4-pin computer lead but those are too small.


Start here:


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