Gauge wiring

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Knowfish

Junior Member
Joined
Apr 25, 2025
Posts
3
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Location
Central Wyoming
First Name
Kevin
Truck Year
1978GMC
Truck Model
K1500
Engine Size
400
Help, I have a 78 GMC half ton 4wd and I am trying to find the correct wire color locations for the ped plug.
25017325 PED-1 no clock or tachometer
I have looked and looked and I can't find a diagram
Any help would be appreciated
I also have parts, what do you need?
 

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