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.
Full Open Switch: Description
Vehicles equipped with a power liftgate utilize a full open switch. The full open switch is comprised of two main components, the micro-switch and plastic bracket (Figure). The full open switch and bracket assembly are located on the drive unit channel and is used to signal the power liftgate control module when the liftgate is approaching the full open position. Two wires connect the full open switch to the drive unit's main electrical connector.
The full open switch cannot be adjusted or repaired and if found to be faulty, must be replaced. Consult your Mopar parts catalog for a specific part number.
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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.