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Deutz-Fahr 803: Engine Cold Start Aid Relay - Voltage Above Normal Value or Short Circuit to Plus

Issue description

The Engine Cold Start Aid Relay is experiencing a voltage above the normal value or a short circuit to plus. This condition may affect the proper operation of the cold start aid system.

Check the cause

  1. The Engine Cold Start Aid Relay

  2. The wiring and connections related to the Engine Cold Start Aid Relay

  3. The power supply to the Engine Cold Start Aid Relay

Repair steps

  1. Inspect

    Inspect the Engine Cold Start Aid Relay for signs of damage or overheating.

  2. Test

    Test the voltage at the Engine Cold Start Aid Relay to confirm it is above the normal value or identify a short circuit to plus.

  3. Check

    Check the wiring and connections for the Engine Cold Start Aid Relay for any signs of wear, damage, or poor contact.

  4. Verify

    Verify the power supply to the Engine Cold Start Aid Relay is stable and within the specified range.

Parts you might need

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