Chevy 350 Starter Wiring Diagram | Car Diagram Jan 18, 2019Chevy 350 Starter Wiring Diagram – Each fuse is going to have a suitable amp rating for those devices it’s protecting. A lousy switch typically shows the subsequent symptoms. As can be observed, the neutral safety switch plays an important part in starting a vehicle’s engine. How to Wire a Chevy Starter | It Still Runs A Chevy starter requires a lot of amperage, which in turn requires a large 4-gauge wire from the battery to the starter solenoid. The solenoid acts like a switch, opening and closing the high amperage circuit to the starter. The ignition key supplies the power to actuate a relay, which in turn actuates the solenoid.