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2004 Chevy express van, heater has no high speed, at one time the blower stayed on even when the ignoton was turned off therefor draining the battery,
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∙ 12y ago
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by controling fan speed
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The Sunheat Infrared heater is a portable heater in a wooden encasing. It has infrared heat tubes and copper. There is a fan which sucks the air from the room and pushes it into the heat chamber. The moisture in that air absorbs the infrared heat and it is pushed out into the room, warming the room.
Energy that is not usefully transformed by the fan heater is wasted as what energy?
Sound Energy
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From the bottom, unless there's a fan ... in which case it flows in from behind the fan.
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the blower resistor controls the fan speeds
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try replacing the blower motor resistor
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Check the low speed relay and the resistor at the motor
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do you mean the speed of the fan? if so, it'a relay generaly near the motor of the fan. If it's the heat who only came at high speed, you need to add some antifreeze.
What might cause the heater and air conditioner on a 1999 Mercury Cougar to cease functioning?
If you mean the fan - replace the fan speed resistor if the fan only works on high speed. Please supply more information - no heat or cooling? Does fan work? Does mode switch work?
Why does your Heater fan only blow on high speed?
Switch problem? Cables disconnected?
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Yes there is, but it only operates the high speed function.
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The blower motor resistor pack is bad.
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It is the resistor, replace it.
You changed the control resistor and you still dont have a speed 5 on the heater fan you checked the fuse for the Fan and it is good. Is there another fuse for the High speed 5 setting 2001 Grand Am?
I believe you have a relay that runs the high speed for the heater fan motor. The relay should be located in the power distribution box under the hood.
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If its the fan speed your talking about its likely that the speed controller on the fan is broken and had its days
Replaced heater fan multi speed in 1992 Olds 88 When turn car off the fan still runs Is it not hooked up properly. I replaced the heater fan itself.?
now when you say replaced heater fan multi speed are talking the fan or the switch because ther is a fan speed resitor that can go bad and fan only works on high speed which can cause conector to get very hot and cause insolation on the wires to melt and cause a short in the harness making fan run constantly.
Why don't the heater fan work on high on my 1991 blazer S10?
Odds are you need a fan switch, It is very common for the high on GM fan switches to go out.
