89 sedan deville cadillac

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muck003

Member - Posts: 12

Joined: February 13, 2009

Location: British Columbia, Canada

Posted: March 12, 2011 at 10:05 PM / IP Logged

I am installing a starter in a 89 sedan deville, but cannot find a tach wire. the white wire at the distributor which is supposed to be there, isn't... is there somewhere else I can get this signal from?

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: March 13, 2011 at 3:38 AM / IP Logged

Test all the wires at the distributor, take a DMM, set it to 20 volts AC, black probe to ground, run the engine at idle and find the wire that gives you about 3 V AC, increasing as you rev up the engine.

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89 sedan deville cadillac

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