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.
Radiator Fan Relay: Description
The HI/LO and HI radiator fan relays are located in the Power Distribution Center (PDC) near the coolant recovery pressure container (Fig 1). A decal on the inside of the PDC covers shows the location of each relay and fuse contained in the PDC. It is an ISO relay.
All vehicles (except 2.7L base) are also equipped with No. 1 and No. 2 radiator fan relays that are mounted to the radiator fan motor shroud (Fig 2).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.