This is NOT factory MOPAR wiring I am doing but it is in a MOPAR. Just wanted to get that out of the way up front. Please study the first picture.




Ok, this is how they want you to do the starter wiring. They have you running 3 pretty big wires to the batt stud on the starter. This is in a big block B body so picture where the battery is located and the starter relay. I have those huge Mega fuses mounted on the drivers side inner fender just above the starter relay which puts them about 12 inches from the battery. Everything is nice and close. On to the second picture.



In an effort to tidy things up a bit, what I am thinking about doing, is moving those two wire ends from the starter stud to that stud on the mega fuse. Everything in that circuit will still be fused and powered up. The wires will be a lot shorter and much easier to make into a harness. Nothing is completely wired yet, just in the planning stages on this part. I did use a 4 gage wire going down to the starter so that should be good. I did call American Autowire(the harness maker) to chat with an engineer, but got a salesman instead. He was supposed to have a REAL engineer give me a call, but I am still waiting.
Opinions please.

Why not just wire the mega fuse right to the battery? no need to have a wire going to the battery stud than back to the mega fuse. that's just redundant. you don't need an engineer......they are for driving trains. what are you running off the mega fuse anyway? whatever it is either way you wire it it will be hot all the time.

The other side of the mega fuse that has the wire attached to it, is the alternator. I am running a one wire Alternator, eliminating the voltage regulator. I thought they had a bit of redundancy myself, that's why I want to move the location of those two terminals. I see no need to run 3 wires to the starter if the voltage ends up in the same place anyway.

Everything wired to the starter battery stud gets put on the starter relay on the fenderwell by the battery except for the fat cable. That fat cable should have a pigtail at teh battery end to feed the starter relay stud everything else is wired to. Just like mopar did it.

This is not a factory MOPAR harness. This is an update harness that takes care of a lot of the issues the cars had originally, like the bulkhead connector, the amp guage, the glass fuses and the voltage regulator. This harness requires an internally regulated one wire alternator.

I understand that. But your aftermarket kit is too busy with the stud on the starter just wire it up like MoPar did and it will be tidier. Fat cable from battery + to starter, 10 ga wire from battery + ( that pigtail I mentioned) to the starter relay stud, everything else that they want at the starter stud goes to the relay stud. Just got done wiring my 51 Plymouth and I did it like that and not the chevy way your kit and mine showed.

wire it like the factory did, using sniper's factory diagram.
the harness kit is way too busy with wires you don't need.

There was definitely some retardedness going on the bulkhead and amp meter but the hot wire for the starter then a separate lead to the relay and fuse box is fine.