GEN L-Terminal

Engine Output Controls/ GEN L-Terminal

The powertrain control module (PCM) / engine control module (ECM) commands the generator OFF by removing the 5-volt reference signal from the L terminal of the voltage regulator when you select Off. The generator will then stop generating an output voltage.

Starter Relay Control

Engine Output Controls/Starter Relay Control

The engine control module (ECM) grounds the crank relay control circuit when ON is selected. When Off is selected, ground is removed from the circuit.