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2003 F350 GEM module location!

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Old Jul 21, 2012 | 12:58 AM
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2003 F350 GEM module location!

I have a 2003 F350 Crew Cab, 4x4, 7.3l. Had some work done recently and asked them to check to see why my electronic 4x4 switch wasn't working. They told me the gem module was bad and that I could replace it myself but would have to take it to the dealership to have it reprogrammed! He mentioned that it was located behind the glove box but I would like to try to confirm this before I start taking anything apart!

Any help would be greatly appreciated!!
 
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Old Jul 21, 2012 | 11:43 AM
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I'd do a little more research and be sure that is your problem. Your 2003 doesn't have a GEM anyway. It has a VSM which is above the hump, below the radio. It will have to be programmed by a dealer if you change it.
 
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Old Jul 21, 2012 | 02:03 PM
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The 2002 & 2003 have a separate 4WD control module. It doesn't use the VSM for 4WD control.

Left edge of this wiring diagram. I believe there is a fuse for the 4WD module.
 
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Old Jul 22, 2012 | 12:17 AM
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First of all, thanks for the info!

This mechanic(very reliable and trustowrthy) also told me that if I replace this module that the overhead display MIGHT start working again, my remote keyless entry should start working again and something else.

I'm going to take this and see what I can find. Sounds like it could be something as simple as a blown fuse!

Again, thanks for the help!
 
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Old Jul 22, 2012 | 01:42 AM
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Also, a little bit of info. The mechanic told me that he was getting a code 1342 which indicated that the module was bad! He was telling me that it was a gem module but from what I'm hearing here, there is no such thing on my truck.
 
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