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3. CHECK THE (Z133) GROUND CIRCUITS Turn the ignition off to the lock position. Disconnect the TCM harness connector. NOTE: Check connectors - Clean/repair as necessary. NOTE: The test light must illuminate brightly. Compare the bright- Does the test light illuminate brightly for all the (Z133) Ground Yes >> Go To 4 No >> Repair the (Z133) Ground circuit(s) for an open or high resistance. Perform 45RFE/545RFE TRANSMISSION VERIFICATION 4. CHECK THE (A903) FUSED B(+) CIRCUIT Remove the Transmission Control Relay. Ignition on, engine not running. Using a 12-volt test light connected to ground, check the (A104) Fused Does the test light illuminate brightly? Yes >> Go To 5 No >> Repair the (A104) Fused B(+) circuit for an open or high resistance. Perform 45RFE/545RFE TRANSMISSION VERIFICATION 21 - 440 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS - (DIESEL) KJ |