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C2123–T-CASE/DIFFERENTIAL SWITCH SUPPLY VOLTAGE CIRCUIT HIGH (CONTINUED) 2. (K77) TRANSFER CASE POSITION SENSE CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Transfer Case Position Sensor harness connector. Disconnect the Final Drive Control Module harness connector. Measure the voltage of the (K77) Transfer Case Position Sense circuit Is there any voltage present? Yes >> Repair the (K77) Transfer Case Position Sense circuit for a short to voltage. Perform the FDCM VERIFICATION TEST. (Refer to 3 - No >> Go to 3 3. (K537) LOCKER SWITCH SUPPLY CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the Axle Lock Switch harness connector. Turn the ignition on. Measure the voltage of the (T537) Locker Switch Supply circuit at the Is there any voltage present? Yes >> Repair the (K537) Locker Switch Supply circuit for a short to voltage. Perform the FDCM VERIFICATION TEST. (Refer to 3 - No >> Go to 4 4. FINAL DRIVE CONTROL MODULE View repair. Repair Replace the Final Drive Control Module in accordance with the Service information. Perform the FDCM VERIFICATION TEST. (Refer to 3 - DIFFERENTIAL & DRIVELINE - DIAGNOSIS 21 - 1324 TRANSFER CASE - ELECTRICAL DIAGNOSTICS (POWER WAGON) DR/DH |