Somethings bad?

http://www.madelectrical.com/electricaltech/amp-gauges.shtml
For the ammeter bypass.Also check below.

http://www.forabodiesonly.com/mopar/showthread.php?t=45827
When your bypassing the ammeter,do what they say here,run it to the starter
relay and get rid of the wiring going inside the car(use a voltmeter)

http://www.classiccarwiring.com/
Wiring diagram if you dont have a service manual,these are easier to follow though,everything is color coded.

http://www.msdignition.com/instructions/6530_instructions.pdf?terms=6AL
Double check,they had the mopar instructions backwards for a while.

http://www.mymopar.com/index.php?pid=18
Some more wiring diagrams.