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Interior dome lights come on by themselves in cold temperatures

maybe this post or the link internal to it will help ya. https://www.gmt400.com/threads/tow-mirror-cargo-light-wiring-help.46316/
- 99Wildcat
- Post #5
- Mar 18, 2020
- Forum: Audio + Electronics
Interior dome lights come on by themselves in cold temperatures

I had a similar problem after I installed tow mirrors with cargo lights in them. I supplied a ground to the dome light circuit without realizing it. I grounded the cargo lights to the kick panels. Once the dome light module removed the ground to shut the interior lights off, my cargo light...
- 99Wildcat
- Post #4
- Mar 18, 2020
- Forum: Audio + Electronics
Tow Mirror Cargo Light Wiring Help

Figured it out with the help of this thread! https://www.gmt400.com/threads/cargo-light.35520/ If the cargo light switch is on, for the light to work the cargo light circuit must be completed by applying ground in one of three different ways. Ground is applied by the courtesy lamp switch...
- 99Wildcat
- Post #2
- Oct 4, 2019
- Forum: Paint / Body / Detailing
Tow Mirror Cargo Light Wiring Help

Just upgraded the mirrors on my 1999 K3500 to the 2015 style. The power mirror harness was plug and play and the signal and marker light wiring was seamless. These mirrors have separate leds for the signal and marker so I didn't need to modify anything. I chose to wire the cargo lights on the...
- 99Wildcat
- Thread
- Oct 2, 2019
- cargo light cargo lights mirrors tow mirrors
- Replies: 1
- Forum: Paint / Body / Detailing