Fan blower only works on high speed....
I have the Itasca detailed below, and lately has developed an issue where the dash fan will only work on the high (noisy!) switch setting. After starting the engine (Chevy workhorse 8.1 engine chassis...
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We went on a short trip this past week, and lo and behold the fan seemed to work just fine. All speeds worked as they are supposed to. Of course this was right after I had orderd a new dash fan switch!
So now I have an extra resistor assembly and fan switch for when the problems start again....the only thing I can think of that might have fixed the problem is that I pulled the wire harness off the switch while trouble shooting and maybe I improved the connection when putting things back to normal to go on our trip. It was difficult to get the harness back on so I used some electrical (light bulb) grease to help.
So now I have an extra resistor assembly and fan switch for when the problems start again....the only thing I can think of that might have fixed the problem is that I pulled the wire harness off the switch while trouble shooting and maybe I improved the connection when putting things back to normal to go on our trip. It was difficult to get the harness back on so I used some electrical (light bulb) grease to help.
