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Old Nov 14, 2004 | 07:33 PM
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GEM problems/Starter problems

I have the same problem with my GEM like alot of other Ford owners(electrical).
I recently found a web site for the National Highway Traffic Safety Administration stating that there has been a recall for these GEMs.
While troubleshooting this problem I found that the rubber boots for the steering column are worn out due to weather(the ones on the firewall by your feet) this allows water to enter while under raining conditions and driving. Water travels up toward the GEM and other misc. electrical systems. I now have a problem with my starter not working. I checked my relay and am getting sparks when shorting out the 2 terminals , now I need to know how the starter is wired to check for the volts at the terminal on the solenoid. Can someone please help me with the diagram.
 
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Old Nov 14, 2004 | 07:40 PM
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What year and model truck are you working on?
 
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Old Nov 15, 2004 | 05:14 PM
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Ford Expedition 2000
 
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Old Nov 15, 2004 | 11:17 PM
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The starter on your Expy will still work if you have a GEM problem.

"A" in the diagram is the trigger wire from the ignition switch.
It turns on the starter relay on the firewall which sends power to the small terminal on the starter motor. It's not unusual for the starter wiring to be corroded or broken at the starter. If you have power at both the terminals on the starter motor when someone turns the key to the start position you probably need a new starter.
 
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Old Nov 16, 2004 | 09:24 AM
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Boy I like that diagram. Shouldn't there be a neutral start switch somewhere between "A" and the ignition switch?

I wonder why Ford went to the starter solenoid style starter? They always said this style was better(GM always used it) because the starter wouldn't turn until the gear was engaged in the flywheel, but the old Ford starters and flywheels lasted for years and years with no problems.
 
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Old Nov 16, 2004 | 10:07 AM
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Here's the rest of the system.

I'm not sure why Ford went to that style of starter system. Possibly because they could make the starter smaller for easier packaging.
 
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