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.

2007 Jeep Liberty Limited, RWDFACTORY OEM SERVICE PROCEDURE

Glow Plug Module

Fig 1: Glow Plug Module

Courtesy of CHRYSLER LLC

1 - MASTER CYLINDER

2 - GLOW PLUG MODULE

3 - BATTERY

Connect the glow plug wiring harness connector.
Secure the relay onto the inner fender well.
Connect the negative battery cable.

Factory Service Tools

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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.