Quote:
Originally Posted by sKnNyPpY
Ignore the drama and run a 10 gauge wire from your ignition unfused plug in your fuse panel to the HEI
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Doing the math 20 gauge would feed HEI just fine, but more doesn't hurt except the price and size of wire you have to run. [Edit: It's actually 22.5 AWG for chassis wiring at 12V]
Keep in mind that the IGN UNFUSED is exactly that. If
anything fails on that circuit and melts that line, nothing will run.
If mechanicalman wants to argue this one too, I'd ask that you look up the spec for the fusible link at the horn relay, which is where all of this current has to go anyway. That will give you a decent sense of what that circuit is expected to manage.