Where is the Saturn S series main relay location
What is a main relay? What does it do?
It's also called a starter anti theft alarm relay or accessory relay. It apparently has multi circuit functions and I read it can cause lack of spark if it goes out. It's suppose to be part of the inline wiring harness located behind the dash somewhere.
What else have you checked to make you believe that the relay is to blame? Are you getting the flashing security light?
replaced plugs, wires, coil packs, timing sensor, coolant sensor switches, PVC valve, checked fuel pressure and ignition pack. There doesn't seem to be a security light on this 97 car.
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