New Holland 3166: Fuel Filter Heater Relay - Short Circuit to Battery

The fault code indicates a short circuit in the fuel filter heater relay to the battery. This condition may cause improper operation of the fuel filter heater or damage to the electrical system.

1. 1

   The wiring and connections associated with the fuel filter heater relay

2. 2

   The integrity of the fuel filter heater relay itself

3. 3

   The battery and its connection to the relay circuit

1. 1

   Inspect

   Inspect the wiring and connections of the fuel filter heater relay for signs of damage, wear, or improper connections.

2. 2

   Test

   Test the fuel filter heater relay for proper function and continuity using a multimeter.

3. 3

   Replace

   If the relay is found to be faulty, replace it with a compatible component.