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Aftermarket locks quit on all but drivers door... HELP!!!

889 Views 5 Replies 4 Participants Last post by  rlalford
I have installed the Parts Express locks and they worked great. Now, all of a sudden, all but the drivers door quit! At the same time. They worked fine for two or three months. Is there a relay or something that would affect the other three doors? TIA, Rob
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If this is with the factory VSM system, you may have a problem with the VSM itself, or a relay like you said. Think about it, when you press the unlock button once, driver door unlocks. Second time unlocks all four. So my theroy is that it has two seprate relays or contacts. One to actuate the drivers, and the other to actuate all four.
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