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P2503-CHARGING SYSTEM OUTPUT LOW (CONTINUED) 6. (K20) FIELD CONTROL CIRCUIT OPEN Turn the ignition off. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 7 No >> Repair the open in the (K20) Gen Field Control circuit. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 7. (K20) GEN FIELD CONTROL CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (K20) Gen Field Con- Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (K20) Gen Field Control circuit. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 No >> Go To 8 9 - 706 ENGINE ELECTRICAL DIAGNOSTICS ND |