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C1400-TRANSFER CASE RANGE SELECT SWITCH PERFORMANCE (CONTINUED) 3. (K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the Final Drive Control Module C2 harness connector. Measure the resistance of the (K504) Drivetrain 5 Volt Supply circuit. Is the resistance greater than 5.0 ohms? Yes >> Repair the (K504) Drivetrain 5 Volt Supply circuit for an open. Perform the TRANSFER CASE VERIFICATION TEST- No >> Go To 4 4. (K504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND Measure the resistance between the (K504) Drivetrain 5 Volt Supply Is the resistance less than 5.0 ohms? Yes >> Repair the (K504) Drivetrain 5 Volt Supply circuit for a short to ground. Perform the TRANSFER CASE VERIFICATION TEST- No >> Go To 8 21 - 886 TRANSFER CASE - ELECTRICAL DIAGNOSTICS WK |