New Holland 12066: Trailer Brake Relay Failure - Open Circuit or Short Circuit to Power Source

The fault code indicates a problem with the trailer brake relay, specifically an open circuit or a short circuit to the power source. This can prevent the relay from functioning properly, affecting the trailer's braking system.

1. 1

   Trailer brake relay

2. 2

   Circuit to power source

1. 1

   Inspect

   Inspect the trailer brake relay for visible damage or signs of failure.

2. 2

   Test

   Test the circuit to the power source for continuity and proper voltage.

3. 3

   Replace

   If the relay is faulty or the circuit is damaged, replace the affected component.