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This tach problem is driving me nuts!

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Old Sep 15, 2012 | 11:10 PM
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Default This tach problem is driving me nuts!

The tach on my 77, i cut the ground 1 of two grounds well the ground i cut went to a socket with a pink and brown wires also goes to the same socket, i can turn the key on, a light from the socket i was talking about! I can take the wire that runs from the socket turn the key on and run the bare wire across metal to check ground the handle we move around and around the faster i move the wire the faster the tach hand moves! I have no clue, what cause me to check the tach, it was going 0 to 70 when key is turn on! The hand does not go arond it just moves from 0 to 70!
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