Lee21490 Posted February 4, 2014 Share Posted February 4, 2014 So i've blown two of these in the last two weeks, I know old/failing Blower motors can cause stress & fry them.. But i just replaced the blower motor a few months ago. So what else causes these to fry? /e Found a chunk of insulation type stuff near the resistor, Assuming that was the problem. Hope this one lasts. Link to comment Share on other sites More sharing options...
Eagle Posted February 5, 2014 Share Posted February 5, 2014 There is a thermal fuse in the resistor pack. If mice build a nest in the blower or the blower box and the nest material gets packed around the thermal fuse, it overheats and does what it's supposed to do -- blows. I lost two in the space of a couple of weeks in my 2000 XJ thanks to the danged mice. One of these days I'll try to replace the thermal fuse in one of the old resistor packs and see how that works. The resistors themselves should be fine. Link to comment Share on other sites More sharing options...
HOrnbrod Posted February 5, 2014 Share Posted February 5, 2014 Replace the thermal fuse. http://comancheclub.com/topic/39814-calling-all-electronics-geeks-blower-resistor-pack/?hl=resistor Link to comment Share on other sites More sharing options...
Lee21490 Posted February 6, 2014 Author Share Posted February 6, 2014 There is a thermal fuse in the resistor pack. If mice build a nest in the blower or the blower box and the nest material gets packed around the thermal fuse, it overheats and does what it's supposed to do -- blows. I lost two in the space of a couple of weeks in my 2000 XJ thanks to the danged mice. One of these days I'll try to replace the thermal fuse in one of the old resistor packs and see how that works. The resistors themselves should be fine. Yea, Found a little nest in my glove box. Which is strange seeing how we have nearly no mice around (and a good hunting cat) Replace the thermal fuse. http://comancheclub.com/topic/39814-calling-all-electronics-geeks-blower-resistor-pack/?hl=resistor Did this yesterday. So far so good~ Link to comment Share on other sites More sharing options...
Eagle Posted February 6, 2014 Share Posted February 6, 2014 Did this yesterday. So far so good~ Where did you find the fuse? What rating did you use? Part number(s)? Link to comment Share on other sites More sharing options...
Lee21490 Posted February 6, 2014 Author Share Posted February 6, 2014 Did this yesterday. So far so good~ Where did you find the fuse? What rating did you use? Part number(s)? Radioshack 130c Idk part number Link to comment Share on other sites More sharing options...
HOrnbrod Posted February 6, 2014 Share Posted February 6, 2014 Replace the thermal fuse. http://comancheclub.com/topic/39814-calling-all-electronics-geeks-blower-resistor-pack/?hl=resistor Did this yesterday. So far so good~ :thumbsup: Link to comment Share on other sites More sharing options...
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