I have a 1990 chevy 350 throttle body motor I have all original wireing and computer some of wires have been cut but I got it so it turns over what is all needed to make it run with the least amount of wires???
Get another harness for the TBI and put it on. You need all the sensors hooked up, unless you want it to run crappy.
coolant temp sensor, TPS,MAP,O2 sensor,distributor pickup,IC Module wiring, Kn ock sensor....all quite necessary.
Bite the bullit, go get some parts.Its the easiest thing to do .
Also included in all of that would be the fuel pump harness and relay
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