Part 1 of 2: Radiator Fan Motor Circuit Wiring Diagram (1999, 2000, 2001, 2002, 2003 4.0L Jeep Grand Cherokee)

APPLIES TO: This radiator fan motor circuit wiring diagram applies to the following vehicles:

  1. 1999, 2000, 2001, 2002, 2003 4.0L Jeep Grand Cherokee.

This radiator fan motor wiring diagram includes the following circuits:

  1. PWM radiator fan motor relay circuit.
  2. Radiator fan motor.

You can find the PWM radiator fan motor relay test here:

  1. Jeep PWM Fan Relay Test Troubleshooting An Overheating Condition.

More Jeep 4.0L Wiring Diagrams And Diagnostic Test Tutorials

You can find a complete list of wiring diagrams and diagnostic test tutorials here:

  1. Jeep 4.0L Index Of Articles.

Here's a sample of the tutorials you'll find there:

  1. How To Test Trouble Code P0135 (1996-2000 Jeep 4.0L).
  2. How To Test The MAP Sensor (1997-2003 Jeep 4.0L).
  3. How To Do A Cylinder Balance Test (Jeep 4.0L).
  4. Jeep PWM Fan Relay Test Troubleshooting An Overheating Condition.
  5. How To Test The Crankshaft Position Sensor (1994-1996 4.0L Jeep).
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