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Old 05-02-2013, 09:46 PM   #1
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Join Date: May 2013
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'85 Itasca engine heater / AC fan problem

Greetings all! I'm new here as I've just recently purchased an older '85 Itasca. My buddy's parents have owned it for years and took great care of it. Its been sitting for a long time but almost everything works. The ceiling AC would nor turn on. I got up on the roof and manually turned the blade / works fine! I doubt I'd be that lucky though with the dashboard blower motor. It will not turn on to operate the heater motor nor AC. A friend says the switches tested fine, but thinks I'll have to access the blower motor to get the systems working. How do I access the blower motor to uh, test my luck?

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Old 05-04-2013, 02:28 AM   #2
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Hello and Congratulations on your purchase of the Itasca. We are glad to have you join us here and we look forward to reading of your adventures and experiences. I am sure you will enjoy the website and forums. Good luck, stay safe and keep us posted.
You may luck up and find that the resistor pack that controls the voltage to the motor is the problem. There should be access from the fire wall of the coach either on the outside or inside, to a small removable plate that has several wires plugged onto spade connectors that the motor itself is connected to. The motor is a single speed wound motor but the resistor pack reduces the operating voltage to the motor and it rpm is reduced as a result. The resistor packs are known for burning out over time. You can also apply 12 vdc to the motor directly at this point for testing of the motor.

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Old 05-04-2013, 02:30 AM   #3
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Hi and greetings10:

congrats on the new rig
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fan, heater, itasca

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