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For the past few weeks, when the temperatures have been in the single digits, my key fob would not actuate the door lock on the driver's door. Once temps warmed up a bit,
it worked. This past Friday as I was driving to work, nothing at the module worked; locks, windows, mirror, etc., and hasn't since.

I pulled the module and attempted to test for power. I am getting battery voltage at the 4-wire connector toward the front of the module, at the orange wire (#2) and have
continuity between ground and the black wire (#4).

Because of the size of the wires, I have to assume this is the connector I should be checking, prior to replacing the module. Am I correct?

Any help is deeply appreciated.


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Location: Oregon
yes, that does appear to be the module for 03-07 silverado. and the larger wires are the power and grounds. red/white-power, black-ground, blue and brown are for the L/F window motor


   
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Decription of wires given by 'carriedi' are right try this. Thanks for this information.


   
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Check the MBEC 50amp fuse in the fuse box under the hood.


   
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