Electrical problems... What is this part? - Ford Powerstroke Diesel Forum
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Old 12-30-2008, 02:53 PM
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Electrical problems... What is this part?

I would like to thank every one on here that has been replying to other threads. This site has been more useful then any book or dealer. I have had a lot of problems with my 2006 f350 6.0L. To keep this short the dealer replaced my FICM this summer. Since then the truck has had nothing but electrical problems. I brought it back to the dealer with them charging me hours of labor and no repairs. I have a phantom battery drain. I replaced the batteries about 2 months ago. I replaced my starter about 3 weeks ago because it froze in the on position. Every time i tried to jump start it, it would just start cranking no key in ignition. Now the new starter and batteries work fine. The truck cant be left alone for more then 8 hours with out a dead battery. I started chasing the problem down. There is a 17.3 ohm load on one of the battery leads. My alternator is out, and the only other part the wire runs to is in this picture. I don't know what this part is, but its pulling 21 amps with the truck off. Its located under the alternator and the upper inter cooler piping. Any thoughts or ideas?
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Old 12-30-2008, 04:17 PM
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That is your glow plug controller. If it's on then the glow plugs are running also.
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Old 12-30-2008, 04:35 PM
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Hey im having a mystery battery drain as well, how did you check the battery for load its driving me crazy and it seems like you are good at finding shorts, thanks!
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Old 12-30-2008, 04:52 PM
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W O W !!!!!!THATS A GLOW PLUG CONTROLLER FOR A 6.0.THINGS HUGE AND ALOT OF WIRING.
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Old 12-30-2008, 05:15 PM
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Quote:
Originally Posted by 19558077 View Post
W O W !!!!!!THATS A GLOW PLUG CONTROLLER FOR A 6.0.THINGS HUGE AND ALOT OF WIRING.

Looks easy to remove and replace, though!!
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Old 12-30-2008, 05:22 PM
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yeah, they must be more reliable than the 7.3. cause i havent sold one yet.unless there different on the trucks.
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Old 12-30-2008, 06:55 PM
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I have a 06 f350 diesel and have a mystery drain as well, go figure! Put 2 new batts in after charging them up and after 2 days without using the truck they are at 11.90 volts with the truck off. I know that cannot be normal. What is the voltage supposed to be after a day or two of the truck sitting?? My friends 7.3 is 12.75 volts, where I think it should be.
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Old 12-30-2008, 07:34 PM
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hahah looks like we all have the same mystery drain im hoping OP lets us know how to test so we can go about and one of us will find a common answere
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Old 12-30-2008, 07:37 PM
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mine just started the other day, no work done on the truck for months so dont even know where to start. Is it milliamp or millivolt to test for a drain?
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Old 12-30-2008, 07:46 PM
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i have no idea what it is, but whats odd is try your block heater, I tried it this afternoon and the truck started infinity better
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