Quote:
Originally Posted by johnta1
Connecting to a wire at the wiper motor itself?
What color is the wire?

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Originally it was on the black with yellow stripe wire. I did some poking around to see what had good power with the key on and switched it to the middle position of the 3 wire connector by using a spade connector.
Either way, I get light to the bulb in the tach, but I only get actual tachometer function with the wipers on. I think this would rule out needing a tach adaptor, as it would never work. It feels like a ground issue, but i verified good ground.
SO FRUSTRATING!