Welcome, I'm Chris (aka Moose) I'm an independent contractor here at Just Answer.
The first things we need to do is figure out why its cranking but not starting. What is missing, is it fuel pressure, ignition spark or injector pulse. Do you know how to check those?
Next we need to remove the GEM and fuse box, take them apart and see if there is signs of rust or electrical arcing that has occurred inside deeming them bad needing to be replaced.
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