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Old 02-14-2020, 12:03 PM   #19
Dead Parrot
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Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,477
Re: Burnt alternator wire-useable link

To make future wiring simpler, get one of these junction blocks from a 90's era Chevy PU. This was about a $5 item with the wires from the local Pull-a-Part. It will keep the wiring around the starter much simpler then using the starter/solenoid as an impromptu junction block.

One of the large red wires is the alternator wire complete with 12ga fusible like so that implies the red wire is 8ga. Since yours is an 100amp alt, I would go with at least an 8ga.
Another advantage of these is they come with an assortment of factory assembled ring ends + fusible links + a random length of wire. (At least that is how the Pull-a-part here lets it work).

If you switch both your headlights and radiator fan to relays that draw their power from this block, then your existing dash wiring will likely work pretty much as is, once you fix the burned connector and wiring. Most of these blocks include a fusible link sized for 15 ~ 20 amps you could use to power your dash. Run the Alt, accessory battery wire and hot side of the solenoid to the block as well. Main battery cable still goes to large solenoid post.
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