John Deere 627: Delayed Power Voltage Too High

The voltage in the Delayed Power circuit is higher than the acceptable limit of 15.5 VDC. This condition may affect the proper operation of the system connected to this circuit.

1. 1

   The power supply or battery voltage

2. 2

   The wiring and connections in the Delayed Power circuit

3. 3

   The component identified by this code

1. 1

   Verify the voltage

   Measure the voltage in the Delayed Power circuit using a multimeter to confirm it exceeds 15.5 VDC.

2. 2

   Inspect the power source

   Check the battery or power supply for abnormal voltage output.

3. 3

   Examine the wiring

   Look for damaged, loose, or corroded wiring and connections in the Delayed Power circuit.

4. 4

   Test the component identified by this code

   Perform tests on the component associated with the Delayed Power circuit as per the service manual.