What is wrong with an 88 bronco 2 that will not make a sound, other then the fuel pump coming on, when you turn the key?

Asked by Sep 07, 2013 at 12:29 PM about the 1988 Ford Bronco II XLT 4WD

Question type: Maintenance & Repair

My brother has an 88 bronco 2 that will not start when you turn the key. He has replaced
the starter solenoid and the fuel pump turns on but when he turns the key it wont even
crank.

2 Answers

83,355

First thing is to check the replaced solenoid by jumping the solenoid from positive wire to the S terminal, just make sure the key is off and the vehicle's park brake is set and it is in neutral or park, if the cranks over then the solenoid is good. Unplug and check for voltage on the S terminal at the starter solenoid when you hold the key in the crank position, if there is no voltage then check the clutch switch if a standard trans or the neutral safety switch if auto trans for proper adjustment and operation, if switches function properly check for voltage out of the ignition switch on the crank wire when you hold it in the crank position. I would make a guess on the ignition switch as Ford products in these years seem to have had a lot of ignition switch failures.

3 out of 3 people think this is helpful.

I've had 2 where the ignition switch (not the key tumbler) had fallen appart in the stearing collumn. Be prepared to have to raplace a shorted out ECC (Computer).

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