Most likely the fan relay. On my LHD 2003 +8 the fan relay is located on the engine side of the firewall on right side below the battery tray. My relay failed with only a few thousand miles on the car. Because of the location of the Otter switch at the bottom of the radiator, the fan cycles on and off a lot which I think causes the relay to fail. I now carry a spare. I put in a higher rated relay and added a fan bypass switch so once the fan comes on I can keep it on for a while and really cool things down without all of the cycling on and off. The other likely possibility is a failed otter switch.
Last edited by davewhite; 18/08/20 03:42 PM.
