* Under the hood, in the fuse box: This is the most common location. The fuse box is typically located near the battery. Look for relays within that box – they're usually square or rectangular and may be labeled. However, the labeling might not be very specific (e.g., it might just say "Relay"). You may need to consult a wiring diagram to identify the correct relay.
* Under the dashboard: Less common, but possible. This would be within the interior fuse panel.
* On the radiator support: While less frequent than the fuse box locations, some Cherokees had relays mounted directly on the radiator support near the fan itself.
To find it definitively:
1. Consult your owner's manual: This is the best place to start. It should have a diagram showing the location of all relays and fuses.
2. Use a wiring diagram: A wiring diagram specific to your 1989 Jeep Cherokee (including the engine size and options like A/C) will show you exactly where the fan relay is and what wire colors are involved. You can find these diagrams online through Jeep forums or repair manuals.
3. Trace the wires: If you can locate the wiring harness leading to the electric fan motor, you can follow the wires back to find the relay.
Important Note: Always disconnect the battery's negative terminal before working with any electrical components to prevent short circuits and potential injury.
