alarm problem
The best way to test it would be at the BCM. The gray with black wire is in position D11 of the 32-pin blue connector at the BCM (it's the only gray with black wire in that connector). It is right next to a black with white wire that does the same thing for the passenger's door. Test that the gray with black wire goes to ground when the driver's door is opened. If it does then your switch is fine. If not, check for misalignment or sticking in the door latch before replacing it.
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The best way to test it would be at the BCM. The gray with black wire is in position D11 of the 32-pin blue connector at the BCM (it's the only gray with black wire in that connector). It is right next to a black with white wire that does the same thing for the passenger's door. Test that the gray with black wire goes to ground when the driver's door is opened. If it does then your switch is fine. If not, check for misalignment or sticking in the door latch before replacing it.
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