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Window/door lock Circuit Board Needed?

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Old Sep 5, 2009 | 01:10 PM
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Default Window/door lock Circuit Board Needed?

I have been having problems with the passenger door window and lock controls. Lately, it throws all kinds of codes in the DIC. I have isolated it to the red connector. Once disconnected, no more codes and of course no lock/window controls.

I assuming it is the circuit board. Any other ideas or thoughts?
What is the part number and what is a good source (other than dealer), cost??

Thanks
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Old Sep 5, 2009 | 01:30 PM
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lots of fixes, search door locks, windows in tech for example:
http://forums.corvetteforum.com/c5-g...w-problem.html
you just might need to replace a relay or clean the grounds
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Old Sep 5, 2009 | 03:51 PM
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That's fine, but how do I know which relay is bad?

Is it easier just to replace the whole thing, depends on the cost, of course!
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Old Sep 5, 2009 | 04:03 PM
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Examine the connectors, pins (male and female) and wiring on each connector. If you have ANY bare wires, cover them with liquid electrical tape. Look very closely at the female pins. Make SURE that none of them are damaged. If there all spread out, theres a poor connection and that alone can cause the problems that your having.

I have spare male pins that I use to insure that female pins make the proper contact with the male pins. Its that important.

Example of a bad female pin compared to a new female pin: (wheel speed sensor female connector:



Bill



BC
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Old Sep 5, 2009 | 04:09 PM
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the relays are $1.30 each at digikey, the module is $600 or so at the dealer, I took mine to a C.B. radio shop and had them solder in the new relays for $10. does this help?
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Old Sep 5, 2009 | 05:39 PM
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Yikes!
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Old Sep 5, 2009 | 11:10 PM
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Quote---"I assuming it is the circuit board. Any other ideas or thoughts?"
--------------------------------------------------------------------
Don't assume anything. If it's throwing all kinds of codes, you need to post them before you start ASSUMING. Bad relays in the Door Control Modules don't usually "throw all kinds of codes."
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