Ok today I have remove the blower heater and applied wd40 to it, replaced the resister with a new one, removed my stereo and front panel for access to switch not sure how you remove the actual connecters to the heater switch though?, I did notice that my speed switch came off not sure if this is a problem it just attached back on, am running out of ideas of what to do, have already spent £10.00 soilder gun £5.00 soilder, new resister £10.00, multimeter £4.99, and a radio removal £4.99, so £35.00 and am not any nearer to sorting it out.