Genuine Jeep Comanche Starter Motor

Starter Ignition
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1 Starter Motor found

  • Jeep Comanche Starter Motor - JR775012
    Diagram for Jeep Comanche Starter Motor - JR775012
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    Product Specifications
    • Other Name: Motor, Starting; Starter
    • Warranty: This genuine part is guaranteed by Mopar's factory warranty.
    Fits the following Vehicles:
    • 1986 Jeep Comanche | 4 Cyl 2.5L

Jeep Comanche Starter Motor

Jeep Comanche's Starter Motor Motor plays the crucial role of commutating the electrical energy provided from the battery to mechanical energy that will ignite the engine of the vehicle. It functions by having an externally mounted solenoid which is wired to the battery in order to engage the starter motor. In the starter, a rotating armature cuts to or is supplied with the necessary field coils or permanent magnets to produce the required torque. The starter drive meshes with the flywheel when the ignition is switched to 'START' and an overrunning clutch releases it when the engine is running. Different kinds of starters have been used in Jeep Comanche cars such as the gear reduction starters varieties that make the car more efficient. Standard starters come with the ordinary engines and so, in power as well as high compression motors; high-performance application may need special OE starters. These advancements afford the starter a measure of control over the elevated torque and to avert catastrophic failures due to backfires inherent in the engine.

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Jeep Comanche Starter Motor Parts Questions & Experts Answers

  • Q: How to diagnose starter issues on Jeep Comanche?
    A: Before diagnosing starter issues, ensure the battery is fully charged. If the starter fails to operate when the switch is turned to Start, confirm the shift lever is in Neutral or Park (for automatic transmissions) and check battery charge and cable connections. If the starter spins but the engine doesn't crank, the starter motor's overrunning clutch may be slipping, necessitating starter motor replacement. When the starter doesn't operate but the solenoid clicks, examine the battery, starter relay (if applicable), main solenoid contacts, starter motor, or consider the possibility of a seized engine. If the solenoid plunger isn't heard when the switch is activated, inspect the battery, look for a burned fusible link (indicating an open circuit), or consider a defective solenoid. To test the solenoid, connect a jumper lead between the battery (+) and the ignition switch wire terminal on the solenoid; if the starter operates, the solenoid is functional, and the issue lies with the ignition switch, neutral start switch, or wiring. If the starter still doesn't function, remove the starter/solenoid assembly for disassembly, testing, and repair. If the starter cranks the engine slowly, check the battery charge, ensure tight terminal connections, and consider engine problems such as partial seizing or incorrect oil viscosity. Conduct a voltage test during cranking, aiming for a reading of 9 volts or more at normal cranking speed; readings below 9 volts with slow cranking may indicate solenoid contact issues, a faulty starter motor, discharged battery, or poor connections.
  • Q: How to remove and install a starter motor on a Jeep Comanche?
    A: To access the starter motor, you may need to remove the exhaust pipe or frame crossmember, or even raise the engine. Start by disconnecting the battery's negative terminal. Lift the vehicle onto jackstands. Label and disconnect the wires from the starter motor and solenoid. Ensure the battery is disconnected before detaching the wires from the solenoid or starter motor. Remove the starter by detaching the mounting bolts. Installation is the reverse of removal.

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