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Mike S.
Mike S., ASE Certified Technician
Category: Cadillac
Satisfied Customers: 6703
Experience:  ASE certified
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2003deville no control of power mirrors,door locks,or any

Customer Question

2003deville no control of power mirrors,door locks,or any widows from driver door,but all other window and locks work from their switch,changed driver side module, cleaned contacts on door switch module
JA: Have you checked the fuses?
Customer: Yes all good
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I just type it up on the intro
JA: Anything else you think the mechanic should know?
Customer: No that is the problem driver door controls all others work fine
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Cadillac Mechanic about your situation and then connect you two.
Submitted: 3 months ago.
Category: Cadillac
Expert:  Mike S. replied 3 months ago.

Do you have voltage to that driver side module with the key on run?

Expert:  Mike S. replied 3 months ago.

I see for the windows a DRV MDL fuse and a PWR WDO circuit breaker, both in the rear fuse block, here is that wiring diagram.

Expert:  Mike S. replied 3 months ago.

I see the same fuse DRV MDL for the door locks.

Customer: replied 3 months ago.
Power and fuses ok wires hot to module and up to door controller 12v all grounds also on those items ok
Expert:  Mike S. replied 3 months ago.

Are you saying 12v on all grounds?

Grounds are not supposed to show voltage cause if they are it mean the ground is bad and in this case 12 v would mean the ground is completely disconnected or the ground wire is cut.

Expert:  Mike S. replied 3 months ago.

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