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  1. C

    Electronic speedometer help

    Having issues with a electronic speedometer. First off here's the truck, it's a 87k20 with a lt1 and a 4l60e and the transfercase with the VSS (241 I think). The dash wiring harness and transfer case were out of a 91 suburban. The engine wiring was sent off to be redone for the lt1. Here is...
  2. C

    Dash gauges

    I have a 86 c10 the truck originally had dash indicator lights aka idiot lights. I no longer have that instrument cluster. My problem is that I'm trying to use a instrument cluster that has gauges but I'm not having any luck getting it to work. I had to repin a few terminals, and I currently...
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    what does a 1980 gmc grille look like

    Ok guys its been forever since I have posted, been busy with school an all that boring stuff I sold my 86 k20, and here recently i worked out a deal with my uncle and I will be getting a 1980 GMC k10 high sierra for pretty much free. My main question is what did the 1980 gmc grille look like...
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    my tach quit working

    Ok as you all know i have a 86 K20 well i got a instrument cluster, factory tach, and the tach wiring out of a donor truck, when i put it all in the tach did work, for a while at least. now all it does is reset from 1500 to zero when you turn the key on motor off. when you turn the key off it...
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    14 bolt SF rebuild

    i have a 1986 k20 with the 14 bolt SF with 4.10 ratio and the factory G80 gov lock. Ive done a complete rebuild of this truck frames been sand blasted new motor etc, well i finally have got it running and noticed that in my gravel driveway it only spins one wheel, it also only spun one wheel in...

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