John Deere 000158.18: Voltage To Cab Roof Module (RLC) Below 11 Volts With Engine Running

The voltage supplied to the Cab Roof Module (RLC) is below 11 volts when the engine is running, which may affect the proper operation of the module.

1. 1

   The power supply to the Cab Roof Module (RLC)

2. 2

   The wiring and connections between the power source and the Cab Roof Module (RLC)

3. 3

   The voltage output of the power source when the engine is running

1. 1

   Verify

   The voltage output of the power source when the engine is running.

2. 2

   Inspect

   The wiring and connections between the power source and the Cab Roof Module (RLC) for damage or looseness.

3. 3

   Test

   The Cab Roof Module (RLC) to ensure it is receiving sufficient voltage.