1987 GMC C3500 cruise control

1987 GMC C3500
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PIANO1
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Electrical problem
1987 GMC C3500 V8 Two Wheel Drive Automatic

I have put factory cruise (from a similar vehicle) but have 3 wires left. Do you know where they would attach. The other vehicle had pulse wip[ers. Mine does not.

Thanks
Aug 22, 2009 at 7:44 AM
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IMPALASS
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Hello –

To better assist you I will need a little clarification. For 1987, I don’t show a C3500. Just for the pickups I show a R or V 3500.

I do show a C3500 for 1986 or 1988. Is it one of those years? Also what was the year, make model of the vehicle you got if from?

I can attach if we have it the wiring diagram for both
Aug 22, 2009 at 11:22 PM
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