here is a good read: http://www.autometer.com/tech_faq_answer.aspx?sid=1&qid=5
You may have fried the voltmeter? Not sure, but the ammeter wire comes form the alternator and feeds the main circuit from the other side of the ammeter.
You can by pass the ammeter at the dash by bolting the two...
a wire that is hot all the time would be the one going to the cigar lighter.
a wire that has juice when the key is on would be the original hot wire to the radio, iirc red wire and black wire plug?
Try getting a wiring kit, will give you instructions and details about what wires go where, and then you also get a faceplate to adapt newer din style radios in the big hole that Chrysler used.
Example:
great thread!
what would the cost of certification add to each unit?
All products for vehicles from 1967 and back can then use any lighting devices they want?
make sure the ground is well grounded. should be a strap from the motor to ground...firewall
stole a pic from the 'net
I have supplemented this with an additional ground and it usually solves the problem
what is the synopsis without all the difficulties?
in other words, I go to the grocery store for ketchup, don't care if it is spelled catsup or another variation, I just want the flavor on my hot dog.
Backwards answer:
Same spark plugs will work
Same ignition switch
All Slant 6 distributors are the same IIRC
Wiring should work, may want to check a harness diagram to make sure of routing
Here is an example of the switched wiring