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Dash lights not working?

Tiny
CJCARLI12
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 0.6L
  • 6 CYL
  • TURBO
  • 4WD
  • AUTOMATIC
  • 190,000 MILES
My Dash lights won't work, but when I roll the dimmer all the way up and the cab lights come on the dash lights light up. I've checked some fuses that I think go to the dash they all work and have even tried replacing the switch and dimmer box and that hasn't worked. What else could be wrong?
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Saturday, May 20th, 2023 AT 8:46 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
I would check the INT PARK and Illumination fuse in the fuse box on the left side of the dash for power here is a guide to help you and the instrument cluster illumination wiring diagrams so you can see how the system works.

This guide can help you check the fuse.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the images (below). Please let us know what happens.
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Sunday, May 21st, 2023 AT 11:58 AM
Tiny
CJCARLI12
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I've checked the fuses are all good.
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Sunday, May 21st, 2023 AT 1:06 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Okay I would remove the cluster to see if you have ground to the black wire and power at the purple/white wire with the headlights on.

This video should help:

https://youtu.be/_HEC44xENxw

Please go over this guide and get back to us.
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Monday, May 22nd, 2023 AT 10:48 AM

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