Bump (with more information). As I study this today, I have gained a bit more information. In the diagram above the "wht/grn" wire leading from the voltage regulator is the ALTC ("Alternator Control") wire that leads to pin A19 in the ECU. The service manual says it "sends alternator control signal" from the ECU. The "wht/red" wire is the ALTF ("Alternator FR Signal") wire. The manual says it "detects the alternator FR signal." I do not (yet) know the difference. Anyone help? Which line, if either, do I cut into for my kill switch?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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