Here we have the 2002 Excursion 7.3 diesel with over 400k miles! It had a strange problem where the battery went dead overnight, and when attempting to jumpstart, the electronics went crazy. Turned out to be a bad GEM (generic electronic module) aka fuse block under the dash which was damaged by a water leak. Then we had to cold start it after charging the batteries.
Diesel Excursion GEM Issue and Cold Start
Here we have the 2002 Excursion 7.3 diesel with over 400k miles! It had a strange problem where the battery went dead overnight, and when attempting to jumpstart, the electronics went crazy. Turned out to be a bad GEM (generic electronic module) aka fuse block under the dash which was damaged by a water leak. Then we had to cold start it after charging the batteries.
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