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International Automotive Technicians Network
Re: chicken or egg Buick lights
Posted to Technical Discussion Forum on 11/25/2010

Wiring diagram and voltage drop testing on a known faulty circuit.

I haven't checked the wiring diagram myself yet, but I would espescially reccomend finding out if there is an inordinate voltage drop accross the ignition switch, leading to a low voltage inp... Login to read more.