krustyballer16 Posted December 13, 2021 Share Posted December 13, 2021 I need the wiring gurus! LS swapping my 90. Using the holley terminator for the engine. I stripped all the stock wiring out of the engine bay and removed all the pins out of the firewall bulkhead connector that I don't need (I think) but now I've got some questions on some stuff, 99% of it being for the jeep side of it... I used these diagrams to trace down each wire and they match all my colors so I'm guessing it's accurate. #1 -there are 3 big red wires that are called out as Battery, Battery and Acc Power... They were all eventually ran into one eyelet for the battery and had the inline, non replaceable fuses or whatever. I cut all that off and left 4" at the firewall and was going to run one 10ga wire from those 3 tied together to the battery. Is this fine? #2 -i did away with the big red and white Battery disconnect wire. No problem there right? #3 I have to run an alternator exciter wire. Do I wire it into the yellow "ignition switch" wire? #4- the green "ignition switch start" wire. Is that ran to the starter? #5 - I guess I accidentally pulled out the pin for the back up lights. I'm guessing I need to put this pin back in or can I tap into anywhere Else for power to back up lights? I think thats it for now...shoulda paid closer attention when I was pulling the 4.0 and cutting wires lol. Went from 45 wires at the connector down to 17. Link to comment Share on other sites More sharing options...
ghetdjc320 Posted December 13, 2021 Share Posted December 13, 2021 You mentioned your working on a 90 but the bulkhead connector diagram you posted is for the HO style 91+. Are you running HO wiring? Link to comment Share on other sites More sharing options...
krustyballer16 Posted December 13, 2021 Author Share Posted December 13, 2021 39 minutes ago, ghetdjc320 said: You mentioned your working on a 90 but the bulkhead connector diagram you posted is for the HO style 91+. Are you running HO wiring? I am not. But these diagrams were different than the ones I used for my 91 wiring. The couple wires I traced down all match my 90 wiring... Link to comment Share on other sites More sharing options...
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