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I recently installed a tach in my 1989 240 DL. Worked great thanks, to everyone who helped with my questions. Tach was good, but it was the glossy background and my dash was the satin. I had a chance to get a satin tach from a turbo car. When I got the tach I expect to see the same electrical connections like the first tach. i.e. a three prong connection on top, then a single spade connection on the bottom. Unfortunately the tach from the turbo has the three prong connection on top and two spade terminals on the bottom.
The markings next to the lower are JMP 12V and 1.
So can I use this tach in a non-turbo car? Which spade terminal should I connect to? Where would the second spade terminal connect to?
Thanks..
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