Hello new to fieros! Hope this is in the right section. I have a 3.8l v6 SC that I'm putting into my 86 Fiero. I've done some searching and not having much luck locating an engine harness. I have the original harness for the 3.8 but it's from a 00 Bonneville SSEI so most of the wiring diagrams and color codes don't match up. Because it's an "h body" I'm told. I was wondering if any one has a good source where to locate these or even better if I have to purchase one, someone who even fabricates these to make them plug and play with the Fiero connectors. Thanks for any help.

You have a PM.

As long as you have the PCM that goes with that with harness I believe wiring gurus like Joe can come up with a working 3800 swap harness.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "