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rear door lock wiring

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5.4K views 9 replies 3 participants last post by  wozz  
#1 ·
Thanks in advance ....
I suspect the rear door lock is preventing my central locking actually locking

Is there a sensor or micro switch operated by the door latch when its closed ?
how I could test the 3 wires/ pins & what does each one do ?
Maybe I can disconnect the 3 wires from the lock body and connect 2 of the pins to fool it into think the door is closed ..I just dont know how I can test the lock
 
Discussion starter · #5 ·
Tks for reply, yes all doors lock and immediately unlock. Tbh if i repeatedly press fob 5 to 10 times i might get it to stay locked.
If it looks for a ground is there a micro switch within the locks to make this ground connection. The front doors latches seem to detect when door is open and im guessing the rear door latch position is not completing the circuit (layman's terms).
I'll try wit multimeter and maybe short to ground to test
 
Discussion starter · #7 ·
Tks , you got me thinking & gave up poking around back door .. sliding door was cause. The circuit (2 bottom pins on the sliding door connectors) is showing high resistance 90 ohms when the latch is locked.
I'll access lock next few days and see can i get better connection. Meantime I'll short these connectors to bypass the lock wiring
 
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