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(888) 312-8812 Login SignupTransmission engagement depends on input from the neutral safety switch, which prevents the starter from cranking unless the vehicle is in neutral or park. The Mitsubishi / Caterpillar Neutral Safety Switch plays a specific function in heavy machinery and trucks using compatible transmission setups. This switch interacts with the starter relay, transmission harness, and sometimes onboard diagnostics. The Mitsubishi / Caterpillar 91204-08100 helps isolate ignition power to safe conditions only—critical in preventing accidental starts or starter motor overloads.
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