Still no further issues but still no heater fan. Work has been hell for a while and I haven't had a chance to get under the cowling to poke around at wires and vacume hoses.

So far no more issues. Its been very cold and raining and no more failures other than the heater fan stopped working again. And currently no codes are showing. Very odd sense I haven't touched anything sense it failed to start.

Yes. It was raining for a couple days. After it dried out is when it started again. I'd say there is a vac leak but that wouldn't cause the fan not to blow when the fan does work I have pretty good heat and AC. I've yet to get time to pull the dog house off and check all the wires I can get to. I su...

03 astro LT 2WD No history of running or starting issues in all its 164K miles Prior problems that could be related: No rear heat. Fan blows but no heat Intermittent front fan and defrost. Sometimes it works but most of the time it doesn't. Door locks try to lock while driving at random times. Inter...