tach needle drops to zero when you turn on headlights


Asked by May 02, 2012 at 03:04 PM about the 1988 Lincoln Mark VII Bill Blass

Question type: Maintenance & Repair

Tach only 'works with headligjts off

2 Answers

John Sturman

there is earth posts behind the dash probably bad earth exasperated by the lighting circut would recomend that you run a meter test to check integrity or get an auto electrics specialist to chek loom integrity

2 out of 2 people think this is helpful.
Best Answer

Thanx will get that checke

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