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Color engine bay wiring diagram for an 84
Does anyone here have a color wiring diagram they can post here, for the engine bay on an 84 GMC?
I'm trying to hook up an aftermarket tach, but I'm not getting anything. I grounded it to the dash, connected the red wire to the only "IGN" terminal I can see, and plugged the green wire into the "TACH" port on the distributor cap. I found out the white wire coming out of the TACH port went to the plug for my ac.
Thanks in advance
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