Jeep 5030023AA Engine Starter

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If a malfunction occurs in the starting circuit, check the battery cable clamps, battery cables, battery, starter motor wiring, and connections, starter motor mounting bolts, related fuses, ignition switch circuit, starter relay, and TR sensor. If the starter is receiving voltage but does not activate, remove and check the starter motor assembly on the bench. With the starter assembly mounted in a vise on the bench, install one jumper cable from the positive terminal of a test battery to the B+ terminal on the starter. Install another jumper cable from the negative terminal of the battery to the body of the starter. Install a starter switch and apply battery voltage to the solenoid S terminal and observe the solenoid plunger, shift lever, and overrunning clutch extend and rotate the pinion drive.

Remove the nut that secures the battery cable to the terminal stud on the starter solenoid, disconnect the cable from the terminal stud and disconnect the electrical connector from the spade terminal on the solenoid. Remove the two starter mounting bolts. Move the starter motor toward the front of the vehicle until the nose of the starter pinion housing clears the transmission bellhousing, then lift the nose down and, if you haven't already done so, lower the starter until you can disconnect the electrical connector and remove the nut that secures the battery cable to the terminal stud on the starter solenoid. Once everything is disconnected, remove the starter. Caution: The starter motor is fairly heavy, so be sure to support it while removing it. Do NOT allow it to hang by the wiring harness.