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Old 12-10-2010, 08:57 AM
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SERIOUS HELP!

HELP ME PLEASE!!! I was installing a voltmeter the other day and screwed up big time! I put the positive wire to the ignition switch like the instructions stated but messed up, as I was tightening the leads, had the truck running to make sure guage was working, SHOULD HAVE SHUT IT OFF!!! I slipped and shorted the wires and the truck shut off. Tried to start it again, turn the key no dash lights started won't engage, just heater is coming on. Replaced the ignition switch, still nothing. There are 2 power wires coming into the ignition switch but the one wire that I put the voltmeter to(guage now disconnected) now has no power to it. If I jump power to that wire using my test light the dash lights come on and I can start the truck just runs really rough and as soon as I remove power to the wire truck shuts off again. I have no idea whats going on Ford says I may have shorted a module which is thousands to fix as I am 200 kms from the ford dealer and would need to get it towed!!! All of my fuses are good. Are there any fuseable links anywhere that may have been shorted I am going crazy here as I can barely afford to get it towed nevermind fixing it!
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Old 12-10-2010, 09:30 AM
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Could have shorted out a relay. Check your fuses really good. Especially the ones underneath the hood.
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Old 12-10-2010, 09:32 AM
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What year truck, auto/manual, what color wire has no power now and where exactly is it located? I can pull up alldata and trace it back for you..
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Old 12-10-2010, 09:34 AM
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if your looking to just get it to the dealer, if it were me I would run a jumper wire where you say the test light lets it start. Other than that I would think it has to be a fuse somewhere
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Old 12-10-2010, 09:40 AM
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Okay so found a blown fuse, must have missed it before so have power now and will start BUT. hard to start, cranks slow, when it does fire up idles for about 2 seconds then quits?
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Old 12-10-2010, 09:41 AM
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truck is 2005 F350 auto. Everything was working fine before the short, could a relay be screwed up now?
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Old 12-10-2010, 09:44 AM
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Could be another fuse somewhere or a relay. Hopefully you didn't fry your pcm. What color wire did you short out and where exactly is it located?
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Old 12-10-2010, 09:50 AM
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it was red with green stripe. When you are looking at the ignition switch it is the top right wire or the top on the closest to the seat
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Old 12-10-2010, 09:57 AM
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Just talked to a Ford tech he said could just be a bad battery. If theres not enough voltage the FICM will die. So got it on the charger now and we'll see. It was sitting for 2 days so if a battery was shot would explain why nothing now. Voltmeter reads 10 volts when you turn the key on and drops off to nothing once you try to crank so we'll see in a few hrs if thats the problem
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Old 12-10-2010, 10:53 AM
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okay so charged my batteries for a while and jumped it with another battery, turned over fine but still won't stay running! hard to get it to fire and when it does runs for a second then dies?!?!?! Volts reading only 8-10 when cranking? still possibly its a dead battery doing this or is my FICM shot? Could a relay do this as well?
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