I have a problem with the interior lighthing on my work truck, a 1999 Chevy crewcab 4wd with the 5.7 vortec. The light stays on in the interior all the time. I checked the thingy on all 4 door to see if one of them was not being closed in due to a open hole of some short. All checks out okay. I ended up having to remove the fuse to get the lights off for now. What could be the problem? a bad relay/sensor somwhere? If that's the case, where do I look for it? TIA
99 Chevy crewcab 5.7 interior lighting issue
- Thread starter Fearless Catman
- Start date
A
afrank3594
Member
Check all the door pins and the dome light switch on the head light switch .
The pins would be the "thingy" I am talking about. That, dome switch all check out fine. Even with the dome button on in the override position, the lights are still on. Gotta be something with the main relay/sensor that gets all its information/singals from from the 4 door pins and dome switch.
O
Old700
New member
I have a 2000 chev(still old body) crew cab with the 454 in it. I started to have the same issue then my trailer lights would act up as well. I found some bad grounds and corroded terminals is the trailer wiring under the rear bumper, so fixed all that, and the interior lights work fine now(been 3 weeks). If there is a bad ground electricity does some pretty wierd stuff, and I beleive the interior light circuit is the grounding circuit for alot of things is these trucks. Look through the wiring diagrams and you will see what I mean. Good luck.
S
Smoothlander
Active member
If the door switches go bad the lights will not go off when they are pressed. Try switching the switches around, one is a three wire and the other a two.
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IdahoMike
Active member
W-d 40
Spray some W-D 40 on your door sensors.
The same thing happened on my 2001 Ford 350. The first time it happened I had the drivers door sensor replaced.
It happened again just recenlty and a local mechanic told me about the W-D 40 trick and it worked great.
You might give it a try.
Spray some W-D 40 on your door sensors.
The same thing happened on my 2001 Ford 350. The first time it happened I had the drivers door sensor replaced.
It happened again just recenlty and a local mechanic told me about the W-D 40 trick and it worked great.
You might give it a try.
Heres the latest verdict. I unplugged all the wires for the door switches and the lights still remained on. Hmmm. I guess I will check the grounded wires next and clean them up.....if somebody got other ideas I'm all ears.
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IdahoMike
Active member
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