RAM 1500 Truck 4WD V8-5.7L VIN D (2005)
Turn the ignition off.
Disconnect the Blower Motor harness connector.
Measure the resistance of the (C7) Blower Motor Feed circuit between ground and the Blower Motor harness connector.
Q: Is the resistance below 10K ohms?
YES: Repair the (C7) Blower Motor Feed circuit for a short to ground and replace the fuse. Perform BODY VERIFICATION TEST - VER 1.
See: Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body
Verification Test
NO: Go To 4
4. CHECK THE (A970) FUSED B(+) CIRCUIT FOR A SHORT TO GROUND
Disconnect the Ignition Switch harness connector.
Measure the resistance of the (A970) Fused B(+) circuit between ground and the Ignition Switch harness connector.
Q: Is the resistance below 10K ohms?
YES: Repair the (A970) Fused B(+) circuit for a short to ground and replace the fuse. Perform BODY VERIFICATION TEST - VER 1. See:
Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body
Verification Test
NO: Replace the Blower Motor and fuse. Perform BODY VERIFICATION TEST - VER 1. See: Computers and Control Systems/Testing and
Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
5. CHECK THE (C7) BLOWER MOTOR FEED CIRCUIT USING A TEST LIGHT
