Jeep R6029780AB Starter-Engine

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First, check the following items: a) Make sure the battery cable clamps, where they connect to the battery, are clean and tight. b) Check the condition of the battery cables. Replace any defective battery cables with new parts. c) Test the condition of the battery. If it does not pass all the tests, replace it with a new battery. d) Check the starter motor wiring and connections. e) Check the starter motor mounting bolts for tightness. f) Check the related fuses in the engine compartment fuse box. If they're blown, determine the cause and repair the circuit. g) Check the ignition switch circuit for correct operation. h) Check the starter relay. i) Check the operation of the Transmission Range (TR) sensor. This system must operate correctly to provide battery voltage to the starter solenoid.

Loosen the lug nuts on the left front wheel. Raise the vehicle and place it securely on jackstands. Remove the wheel. Remove the splash shield from the left front wheel housing. Remove the starter heat shield and fasteners, if equipped. Disconnect the battery cable and electrical connector from the terminals on the starter motor solenoid. Remove the two starter motor mounting bolts and remove the starter motor assembly.