Door Ajar Help
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1st Gear
Joined: Sep 2022
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Door Ajar Help
My door ajar light stays on all the time. I’ve tested the door ajar switches from the plug at the VSM.
If I test using the ground wire on the plug, the passenger front and rear test ok and driver front and rear have no continuity. If I test the driver side using a ground on the truck, the drivers side has continuity.
Does that mean I have a bad ground somewhere? I have checked the wiring that goes through the door hinge and I don’t find any broken wires. Where do I go from here?
If I test using the ground wire on the plug, the passenger front and rear test ok and driver front and rear have no continuity. If I test the driver side using a ground on the truck, the drivers side has continuity.
Does that mean I have a bad ground somewhere? I have checked the wiring that goes through the door hinge and I don’t find any broken wires. Where do I go from here?
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
I thought I had at lease one year's diagram saved. But I didn't. Have you tried unplugging the switch at each of the doors yet?
Then using a jumper to trick the module into thinking that the door is closed.
You might try this video.
Then using a jumper to trick the module into thinking that the door is closed.
You might try this video.
More Turbo
Joined: Nov 2009
Posts: 527
Likes: 278
From: Kansas
Şure sounds that way. Not sure how much wire troubleshooting you've done but a wire can look perfectly fine on outside and be pulled apart on inside. I'd check the hinge area real close again and go from there.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
On the Suberduty trucks, that switch and plug are not that hard to get at.
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cpro24
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Jun 20, 2021 04:35 PM
