Quote:
Originally Posted by 71CHEVYSHORTBED402
Other than that, I read where the "black" wire from #12 on the cluster to the junction block may also be brown and black. Apparently you've seen plenty of black.
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Yeah, black wire is all I have ever seen for this circuit on 67-72 trucks (and in the wiring diagrams).
There is a brown wire that goes to the voltage regulator (and in trucks with the basic warning light cluster it connects to pin #8 for the GEN light). I think I have seen some posts where folks have been converting from warning lights to gauges and were wondering how this brown wire gets connected to the ammeter. Short answer to that is that it doesn't. It's a separate circuit.