heater fan wont blow changed switch worked for a day and then nothing told it would be the resistor but dont know how to
proceed vauxhall astra 1>9diesel r reg
It's the resistor Alex, go to www.astra-sport.co.uk and ask the question or even better search for the answer as it's been discussed a few times on there.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.