New Holland 3156: Engine Preheat - Glow Plug - Open Circuit

The fault code indicates an open circuit in the engine preheat system related to the glow plug. This may prevent the glow plug from functioning properly, affecting engine startability.

1. 1

   The wiring and connections to the glow plug

2. 2

   The glow plug itself for damage or failure

3. 3

   The circuit for continuity and proper voltage

1. 1

   Inspect

   Check the wiring and connections to the glow plug for damage, corrosion, or loose contacts.

2. 2

   Test

   Use a multimeter to test the glow plug for continuity and proper resistance.

3. 3

   Replace

   If the glow plug is faulty, replace it with a compatible component.

4. 4

   Verify

   After repairs, verify the fault code is cleared and the system functions correctly.