The fan on my 307 sw se hdi stopped working the other night I've removed the fan unit and separated the resistor my question is how can I test the resistor to see if it is dead and the same for the fan unit?
I thought it was a thermal fuse? Multimeter would have been best thing to test it with, something to remember for next time now you have sorted it. Fans have only ever worked when i have had engine running. Probably some safety feature so you can't drain the battery.