02-08-2021, 12:22 PM | #1 |
Registered User
Join Date: Jul 2012
Location: Concrete, wa
Posts: 61
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Dash lights
Now that the truck is running, I have discovered that the dash lights are not working. It seems that they have become the ground path for everything in the instrument cluster.
My BIL told me that it is a common problem with these trucks and I remember reading about this in past posts. I tried to search for the posts, but can't seem to find them. I know I need to re-establish a ground path. BIL says to intercept the existing ground and carry it to a known good ground. How do I do this? Do I cut into the wiring harness or is there a point in the cluster itself that I bond to, creating a solid ground? I know that it is limited to the instrument cluster. The HVAC control lights up and dims as it should. Any help or paths to the pertinent posts will be greatly appreciated Thanks Steve
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1989 Silverado K2500ECLB- 307K miles with 90 K TBI 350-Not a show truck, a work tool that I can drive! 1998 Dakota EC 250K miles- I guess I'm just a truck guy now! |
02-09-2021, 02:37 PM | #2 |
Registered User
Join Date: May 2006
Location: Santa Maria, Calif.
Posts: 781
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Re: Dash lights
If this problem is on your '89 then it could be an open on the circuit board on back of the gauge cluster. It could be a matter of just detecting and re-soldering one of the circuits on the board. Newer trucks have this plastic circuit collection that clips on the back of the cluster; much different than the earlier trucks. I kind of learned this the hard way because I thought I could use a newer cluster in my '89 and they aren't compatible. Totally different plug design.
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1989 K1500 Chev. EC Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit. 2009 Hummer H3T 3.7L 5M (sold) 1997 K2500 Chev. EC 7.4L/ 4L80E 2018 Dodge Ram 2500 HD R/C Last edited by Mr_Rich; 02-09-2021 at 02:43 PM. |
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