Ford Expedition The Expedition provides the feel of a full size truck with the seating of a large SUV.

Main wiring diagram

Old 01-22-2019, 06:05 AM
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Join Date: May 2018
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Default Main wiring diagram

having problems with my Generic electronic module, not receiving any power from battery. Everything else checks out... at the moment I have a jumper from cigar lighter fuse to one of the gem fuses and it seems to work fine how I have it, for the most part. This leads time to speculate that there is a short or break on the positive side for the power delivery to the GEM. Anyone have a diagram or know which wires feed electricity to the GEM? My plan is to run my own positive feed from the battery to replace these if they are shorted out.

truck is a 97 expedition 5.4 4WD Eddie Bauer edition.

Last edited by WildHammer; 01-22-2019 at 06:08 AM. Reason: Typo
Old 01-22-2019, 10:35 AM
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Join Date: Jul 2006
Posts: 6,281

I have a view of the GEM and inputs on the numbered connector pins, but for some reason all the schematics aren’t showing/corrupt for complete GEM ops..
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