Question about 2004 GMC Canyon

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Door ajar warning light will not go off ...

Driving down the highway and the door ajar warning come on. I have taken apart the plunger switches and check the wires ... nothing. I have checked the fuses and relays ... nothing. I have disconnected the battery ... nothing.

Any ideas?

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One of the door ajar switchs in your dooors has failed.

Posted on Nov 24, 2008

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Hi,
This seems that either of the door switches is/are faulty. Try pushing the switches fully on each plunger switch on each door individually, keeping the other doors closed while you do. See if one of them causes the light to go out. If you do find one turns the light off, it's an adjustment problem with the plunger switch. May still need to be replaced if it won't depress enough with the door closing to turn off.Let us know if you were looking for something more else please accept the suggestion.
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