Quote:
Originally Posted by Vman455
Relay 2 grounds through the fuel pump, and Relay 1 through the ECM? control circuit of both are grounded/switched by the ecm So, do I have to cut both of them or just one? Would cutting the ground from Relay 2 cause fuel pump issues when trying to start the car again? just cutting power to the fuel pump wont immediately kill the engine, residual pressure in the fuel system will allow the engine to keep running for a short time, longer when you're just coasting Would cutting the ground on just one relay even shut down all the injectors in the first place?cutting power to relay 1 would shut down the injectors, along with several other things in, and beyond what is shown in the provided diagram
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what i would want to do is find the yellow/blk wire just before it splits off to the 4 injectors and wire in a switch/relay at that point