The sense wire needs to be hooked up to battery voltage, usually at a hot
central connection that you want to maintain @ 13.6V. Iâ??ve seen many where
they just run a wire from that terminal to the Batt lug on the starter. The
other pin is not needed, or is mainly used to run the idiot light that tells
you when the alternator is not charging.
Peace,
Pat
Pat Horne
We support Habitat for Humanity
On Sep 19, 2022, at 4:20 PM, Paul Kort via Datsun-roadsters
<datsun-roadsters@autox.team.net> wrote:

Bought a 7127-SEN one wire alternator on Amazon for $21.37 (Includes $8.xx
Ohio sales tax)!
Sounds impossible? Well, signing up for a new Amazon Visa card got me a $100
gift card, leaving only $13.xx and sales tax!
My question is, do I need the extra 2 wires, a "sensing" wire and ? Can I
wire the output to the original output to keep the Amp meter working, or should
it go straight to the battery?
This is all under the hood of a 1968 1600.
Paul
Ohio
I promise, this will be my last alternator question!
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