Question about 2005 Chevrolet Equinox
Driver side door switch will not allow interior lights to come on, when door is opened. Also will not shut off radio upon opening to exit vehicle.
Check all 4 doors to see what works and doesn't work, be sure the interior domelight switch is set to turn on automatically when any door is open as well try the radio then open the 4 doors to see if it turns off...if your driver's side door don't work as you stated then that should be the door's "at fault".
GM built the door contact switch that's installed INSIDE the door-it's located inside the door striker/jamb area...it require removal of door trim to gain access.
However, you might want to try this visual inspection:
Check the thick wire harness located between the front-left door and door sill frame to see if any wire has been disconnected/cut or tampered with by previous owner.
Posted on Mar 08, 2009
The door switch is in the door contacted by the latch If you got this vehicle used someone may have disconnected it so that the radio would play even after the door was opened
Posted on Jan 02, 2009
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Posted on Jan 02, 2017
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It is most likely that the door switch in the pillar near the door catch is not making proper contact when the door is opened and therefore not triggering the functions that operate when the door is opened. It is quite common for these switches to become intermittent. To check, try operating the switch plunger by hand, with the door open, to see if the functions operate. If OK, then remove switch and clean contact points with some fine emery paper or other suitable abrasive such as an ink eraser. When reinstalling, ensure there is a good contact between the switch body and the door pillar. If the cleaning process fails to correct the problem then the switch should be replaced.
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