Stupid mistake
Yes the only thing between battery and ammeter is the fuse link, out in the engine bay
Free factory shop manuals..........
http://www.mymopar.com/index.php?pid=31
It would be REALLY wise now that you have it apart to read and heed this:
http://www.madelectrical.com/electricaltech/amp-gauges.shtml
Take the bulkhead connector apart and inspect, and give the ammeter a really good look as well.
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