URQS 18010
URQS Starter Motor Instruction Manual
Model: 18010
1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your URQS Starter Motor, model 18010. This starter is designed as a replacement part for various John Deere models, including LX178, LX188, LX279, and LX289, and is equivalent to OEM part numbers AM105575 and SE501863. Please read this manual thoroughly before attempting any installation or operation to ensure safety and optimal performance.
2. Safety Information
Always prioritize safety when working with automotive electrical components. Failure to follow these instructions may result in personal injury or damage to the vehicle.
- Disconnect the vehicle's battery before beginning any work on the starter motor to prevent electrical shock or short circuits.
- Wear appropriate personal protective equipment (PPE), including safety glasses and gloves.
- Ensure the vehicle is on a stable, level surface and properly secured before working underneath it.
- Do not attempt to modify the starter motor. Use only as intended.
- If you are unsure about any step, consult a qualified mechanic.
3. Product Overview
The URQS Starter Motor is a 12-volt, 1.4 KW unit constructed from durable metal. It is designed to provide reliable engine cranking power.

Figure 3.1: Front view of the URQS Starter Motor, showing the main housing and solenoid.

Figure 3.2: Side view of the starter motor, highlighting the mounting flange and electrical terminals.

Figure 3.3: Opposite side view, showing the main body and internal components housing.

Figure 3.4: End view of the starter motor, focusing on the drive gear (bendix) and mounting holes.
4. Setup and Installation
This section outlines the general procedure for replacing a starter motor. Specific steps may vary depending on the John Deere model. Refer to your vehicle's service manual for detailed instructions.
Required Tools:
- Socket/Wrench Set
- Battery Terminal Wrench
- Wire Brush (for cleaning terminals)
- Dielectric Grease (optional)
Installation Steps:
- Prepare the Vehicle: Ensure the vehicle is turned off, the parking brake is engaged, and the wheels are chocked. Disconnect the negative (-) battery cable first, followed by the positive (+) battery cable.
- Locate the Old Starter: Identify the existing starter motor. It is typically mounted to the engine block near the flywheel.
- Disconnect Wiring: Carefully disconnect all electrical connections from the old starter motor. Note the position of each wire for reinstallation. This usually includes a large battery cable and a smaller solenoid wire.
- Remove Mounting Bolts: Remove the bolts securing the old starter motor to the engine block. Support the starter as you remove the last bolt to prevent it from falling.
- Remove Old Starter: Carefully extract the old starter motor from its mounting position.
- Inspect and Clean: Clean the mounting surface on the engine block. Inspect the flywheel teeth for any damage.
- Install New Starter: Position the new URQS Starter Motor in place and hand-tighten the mounting bolts. Ensure proper alignment before fully tightening the bolts to the manufacturer's specified torque (refer to your vehicle's service manual).
- Reconnect Wiring: Reconnect the electrical wires to the new starter motor. Ensure all connections are clean and secure. Apply dielectric grease if desired to prevent corrosion.
- Reconnect Battery: Reconnect the positive (+) battery cable first, then the negative (-) battery cable.
- Test Operation: Attempt to start the engine to verify proper operation of the new starter motor.
5. Operating Instructions
The URQS Starter Motor operates automatically when the ignition key is turned to the "START" position. It engages the engine's flywheel to crank the engine until it starts.
- Ensure the vehicle's battery is fully charged and in good condition for optimal starter performance.
- Avoid prolonged cranking. If the engine does not start within 5-10 seconds, release the key and allow the starter to cool for at least 30 seconds before attempting again.
- Do not attempt to start the engine if it is already running.
6. Maintenance
The URQS Starter Motor is designed for minimal maintenance. However, periodic checks can help ensure its longevity.
- Electrical Connections: Periodically inspect all electrical connections to the starter motor for corrosion or looseness. Clean terminals with a wire brush and secure any loose connections.
- Battery Condition: A weak battery can put excessive strain on the starter. Ensure your vehicle's battery is regularly tested and maintained.
- Mounting Bolts: Occasionally check the starter's mounting bolts to ensure they remain tight.
7. Troubleshooting
If you experience issues with your starter motor, consult the table below for common problems and potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Starter does not engage (no click, no crank) | Dead or weak battery; Loose or corroded battery terminals; Faulty ignition switch; Open circuit in starter wiring. | Check battery charge and terminals; Test ignition switch; Inspect wiring for damage. |
| Starter clicks but does not crank | Weak battery; Loose or corroded connections at starter; Faulty starter solenoid. | Charge or replace battery; Clean and tighten all connections; Test or replace solenoid. |
| Starter cranks slowly | Weak battery; High resistance in battery cables; Engine issues (e.g., seized). | Test and charge battery; Inspect and clean battery cables; Consult mechanic for engine diagnosis. |
| Grinding noise during cranking | Damaged starter drive gear (bendix); Damaged flywheel teeth; Improper starter alignment. | Inspect starter drive and flywheel; Re-align or replace starter if necessary. |
8. Specifications
| Attribute | Value |
|---|---|
| Brand | URQS |
| Model Number | 18010 |
| Manufacturer | EPartsGlobal |
| Voltage | 12 Volts |
| Wattage | 1.4 KW |
| Material | Metal |
| Item Weight | 7 pounds |
| Package Dimensions | 9 x 6 x 6 inches |
| UPC | 745667830101 |
| Compatible John Deere Models | LX178, LX188, LX279, LX289 |
| Equivalent OEM Part Numbers | AM105575, SE501863 |
9. Warranty and Support
For warranty information or technical support regarding your URQS Starter Motor, please contact the seller, EPartsGlobal, directly through the platform where the purchase was made. Keep your purchase receipt as proof of purchase.
For general inquiries or additional assistance, you may also refer to the product listing on Amazon.com or visit the URQS brand page if available.
- Seller: EPartsGlobal
- Product Link: Amazon Product Page