Question about 1989 Ford Bronco

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Ignition wont start

We have to jump the solenoid to start the engine. Just replaced the ignition switch but that wasn't the problem.

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Check for power on the thin wire going to the solenoid when ignition is turned al the way to start possition,if so it probably won't be the same voltage as your battery, it will be lower.
You need to fit a universal relay so that the solenoid gets the same voltage as the battery when measured with a multimeter between the negative and positive poles.
If no power present on the thin wire with key turned to start possition,there is a wiring problem or broken (thin wire) from ignition switch to the solenoid.
If ignition switch is wired correctly, check if power is transfered from one of the thicker wires to the thin wire feeding the solenoid when key is turned to the start possition, on the ignition switch where the wirng is connected.

Regards
Phillip

Posted on Sep 13, 2009

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