Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP1986CHEROKEE LAREDO, 2D UTILITY, 2.1 B, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSDOOR LOCKS - POWERTESTINGDOOR LOCK MOTOR TEST
1986 Jeep Cherokee Laredo, 2D Utility, 2.1 B, 4WD
Door Lock Motor Test
1986 Jeep Cherokee Laredo, 2D Utility, 2.1 B, 4WDSECTION Door Lock Motor Test
- With battery in normal operating condition, connect positive voltmeter lead to Light Green terminal of circuit breaker, and negative lead to ground. If reading of 12.5 volts is not obtained, connect positive lead to battery side of circuit breaker.
- If 12.5 volts are now obtained, the circuit breaker is defective and should be replaced. If 12.5 volts are not obtained, check for broken feed wire or loose connection.
- To check for faulty motors, disconnect the motor connectors one at a time, while operating the door lock switch. If none of the motors work, the problem may be caused by a shorted motor. Disconnecting defective motor will allow the remaining motors to operate.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.