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Go Back   Ford Powerstroke Diesel Forum > Ford Powerstroke 99-03 7.3L Forums > 99-03 7.3L General Discussion
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Old 09-23-2007, 07:42 AM
BigHeavy82 BigHeavy82 is offline
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Join Date: Sep 2007
Location: Ft. Sill
Posts: 26
GEM for 4x4 activation

I've been trying to fix my autolocking feature for 4x4. I'm troubleshooting the heck out of this thing. The hub lock solenoid is not getting a signal shot of power to activate it to pull vacuum to lock the hubs. I've been told that the next step is to check the GEM. I don't know where this is. I know I need to go by the service manual, but haven't done this yet.

Does anybody know where this GEM is??

I need to get this fixed before my upcoming hunts!
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Old 09-23-2007, 07:58 AM
mschn99 mschn99 is offline
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Join Date: Jan 2006
Location: central coast, california
Posts: 12,609
Look at your wiring diagram again.... The vacume solenoid should have constant power to it if i remember right.....then the GEM controlls the grounding of it causing it to turn on.

The GEM module is on the backside of the inside fuse panel, actually mounted to it....
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Old 09-23-2007, 07:59 AM
Strőkër~X Strőkër~X is offline
I Got STUDS!!
 

Join Date: May 2007
Location: Tulsa, OK
Posts: 4,143
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yeah what he said...
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Old 11-02-2007, 06:43 PM
johnnyboatman johnnyboatman is offline
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Join Date: Nov 2007
Posts: 5
where is it on a 2005
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