Hello guys, i am doing a 3800sc swap in a 84 fiero.
i received a premade wiring harness from a builder.
i wasnt labeled well and i hooked the positive and negative up wrong on the battery.
After i figured it out, the car will only start if i spray
starting fluid in the throttle body. After i spray it ,it will run for awhile and want cut off.
i cant get in touch with the guy that built the harness,Anthony

If the computer was connected at the time it is most likely the problem and needs to be replaced

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DARN Cars now open with
Over 30 years wiring experience between cars and trade as an avionics technician in both Canadian Air Force and civilian aviation.
Over 25 years experience building and modifying cars.
Over 10 years of full Fiero engine swaps and harnesses building and still going.

Have you checked your fuel pressure?