Painless wiring starter relay
Some of the main "Pains" with Painless may have changed as I did take a look at the destructions recently for another member
1...The IGN1/ IGN2 situation with Mopar ignition switches This is going to depend on whether you ever will use an ignition system that requires a ballast resistor. If so, make sure a brown from IGN2 gets run out into the engine bay, which connects to coil+ side of the coil. If no ballast, then jumper IGN1 and IGN2 together either at the switch or in the bay
2...Mopar late model isolated field (70 and later) alternator field/ VR wiring "I forget" I think Painless gives you a key-switched wire called "alternator exciter" but I may be wrong--that wire may be tied up with charge warning light. In any case you need "Ignition run" voltage to the VR and to the alternator field
3...If you use it, the ammeter wiring. The big thing is now that you've eliminated the bulkhead connector, use bigger wire for adequate charge, and consider using larger wire than Painless supplied. If you keep the ammeter, tear it apart and inspect it and at the very least, solder the studs to the buts/ shunt, preferably with silver based solder