Jeep 56029780AB Engine Starter Motor

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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.

If the starter does not activate when the ignition switch is turned to the start position, check for battery voltage to the starter solenoid. This will determine if the solenoid is receiving the correct voltage from the ignition switch. Connect a 12-volt test light or a voltmeter to the starter solenoid positive terminal. While an assistant turns the ignition switch to the start position, observe the test light or voltmeter. The test light should shine brightly or battery voltage should be indicated on the voltmeter.