Engine Output Controls

GEN L-Terminal

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

Engine Output Controls

Starter Relay

The ECM commands the Crank Relay OFF by removing the ground from the control circuit the Crank Relay when you select OFF. Voltage will then stop flowing through the switch of the Crank Relay.