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C140F-TRANSFER CASE RANGE POSITION SENSOR ERRATIC PERFORMANCE (CONTINUED) 4. (T504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT HIGH RESISTANCE Measure the resistance of the (T504) Drivetrain 5 Volt Supply circuit Monitor the ohmmeter while performing a wiggle test on the wiring har- Is the resistance ever above 5.0 ohms during the wiggle test? Yes >> Repair the (T504) Drivetrain 5 Volt Supply circuit for an intermittent open circuit or high resistance. Perform the TRANSFER CASE VERIFICATION TEST- No >> Go to 5 5. (T504) DRIVETRAIN 5 VOLT SUPPLY CIRCUIT INTERMITTENT SHORT TO GROUND Measure the resistance between ground and the (T504) Drivetrain 5 Monitor the ohmmeter while performing a wiggle test on the wiring har- Is the resistance ever below 5.0 ohms during the wiggle test? Yes >> Repair the (T504) Drivetrain 5 Volt Supply circuit for an intermittent short to ground. Perform the TRANSFER CASE VERIFICATION TEST- No >> Go to 13 21 - 942 TRANSFER CASE - ELECTRICAL DIAGNOSTICS WK |