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  View original topic: Unknown Red Wire
busman78 Wed May 10, 2023 5:33 pm

Got a 70 Squareback, 4 speed, stock FI, have a red wire that runs with the oil pressure sender wire, have no clue what it is for or where it goes. See yellow arrow.

The Bentley does not show it in either the electrical diagram or the Fuel System section.

Any clues? Is it needed or was it a wire for an automatic model?


Dfasty Thu May 11, 2023 11:05 am

It’s for the AAR in an automatic

KTPhil Thu May 11, 2023 11:18 am

Handy to repurpose as a tach feed, since it makes it's way all the way under the dash. You can find a similar clipped end there, somewhere near the fuel pump relay (which it plugs into on an automatic car, terminal 87 second tab, I think).

busman78 Thu May 11, 2023 11:25 am

Cool, thanks. I have read posts of tach wire, good to know.



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