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Identify these wires/plugs?


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What are the three plugs in the engine bay by the firewall used for?


I see the 4 pin is for the neutral safety switch

The 3 pin is for the engine feed

I'm guessing one of the plugs is for the light in the auto transmission shifter housing (not sure which one though).

Maybe one of these is used for an original idle stop solenoid?


I had a look at the 71 wiring diagrams and various posts but found nothing that clearly says what they do...


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The black female bullet with brown wires is your PRNDL lamp feed.

The white female bullet with red/yellow wires is a RUN-only line, probably for the carb solenoid.

The green female bullet with brown/yellow is your AC clutch feed wire.

  • Like 1

Let me check your shorts!




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