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Old 08-29-2018, 01:03 PM   #3 (permalink)
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Join Date: Aug 2010
Location: Oregon
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Acura TSX - '06 Acura TSX
90 day: 26.38 mpg (US)

Lafawnda - '01 Honda CBR600 F4i
90 day: 47.32 mpg (US)

Big Yeller - '98 Dodge Ram 2500 base
90 day: 21.82 mpg (US)

Prius Plug-in - '12 Toyota Prius Plug-in
90 day: 57.64 mpg (US)

Mazda CX-5 - '17 Mazda CX-5 Touring
90 day: 28.63 mpg (US)
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My Acura has a 4-wire harness going to the alternator. I don't remember what all those wires do now, but I do recall I had to disconnect all of them to kill the alt. Have you tried unplugging all of the control/sense wires to the alt?

I bought a 4 circuit switch and used wire harness from Ebay (so I don't have to slice my original harness) for the purpose of wiring in the dash switch, but never got around to it.
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