RAM 2500 Truck 4WD V8-5.7L VIN D (2005)
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Seat belt switch
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Instrument cluster
1. (F983) FUSED IGNITION SWITCH OUTPUT (RUN-ACC) CIRCUIT OPEN
Turn the ignition off.
Disconnect the Seat Belt Tensioner Reducer harness connector.
Turn the ignition on.
Measure the voltage between the (F983) Fused Ignition Switch Output (Run-Acc) circuit and ground in the Tensioner Reducer harness connector.
Q: Is the voltage above 10.5 volts?
YES: Go To 2
NO: Repair the (F983) Fused Ignition Switch Output (Run-Acc) circuit for an open. Perform BODY VERIFICATION TEST - VER 1. See:
Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated
Procedures/Verification Tests/Body Verification Test
2. SEAT BELT TENSIONER REDUCER
Ensure that the Seat Belt Tensioner Reducer harness connector is connected.
Measure the voltage between the (G10) Seat Belt Switch Sense circuit and ground in the Seat Belt Tensioner Reducer harness connector (cavity
2).
Q: Is there any voltage present?
YES: Go To 3
NO: Replace the Seat Belt Tensioner Reducer. Perform BODY VERIFICATION TEST - VER 1. See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Diagnostic Trouble Code Tests and Associated Procedures/Verification Tests/Body Verification Test
3. SEAT BELT SWITCH
