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02-27-2023, 03:31 PM
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#1
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Senior Member
Workhorse Chassis Owner
Join Date: Feb 2005
Location: Anderson, IN
Posts: 476
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Heater controls
Does anyone know the source for the dash heater controls on an '04 Winnebago 37B. It's GM, but not sure which vehicle it came from.
Thanks,
Dave
__________________
2004 37B Adventurer, 8.1 WH, Ultrapower, DIY CAI, Henderson Track Bar, Tru Center, Koni FSD's, Roadmaster Even Brake, Scan Guage II, 180 Thermostat,
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02-27-2023, 05:51 PM
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#2
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,971
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look through this unsorted connection of Ads, Documentation, Brochures/Schematics - Forum
I have seen several manuals and schematics for GM chassis in this old library.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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02-27-2023, 06:47 PM
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#3
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Senior Member
Join Date: Oct 2002
Location: Madison, MS
Posts: 10,527
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Quote:
Originally Posted by Davel
Does anyone know the source for the dash heater controls on an '04 Winnebago 37B. It's GM, but not sure which vehicle it came from.
Thanks,
Dave
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Hi David: I hope you and Linda are well and not frozen in. I thought you traded the MH. I must be getting senile 
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02-27-2023, 11:23 PM
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#4
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Jul 2002
Location: Camarillo, CA ---Back in the house after 7 yrs fulltiming
Posts: 1,652
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Dave, having followed this forum for a couple of decades, many of the heater/ac control problems are caused by the vacuum lines rotting out in the very hot engine compartment. In my case it was the blue vacuum line which was decayed so much that I could scrape it with my thumb nail and the powdery plastic just floated away. Don't know exactly what your problem is but you may want to do a visual inspection of the lines.
Good luck,
Bill
__________________
Bill & dear wife Helen
Last of the Chieftains, 2004 39T, W22, UP tune, Banks, Koni's, Safe-T-Plus, SMI brake
2017 Lincoln MKZ Hybrid towed 4-down or my 2008 Jeep Wrangler JK
![https://www.irv2.com/attachments/signaturepics/sigpic23522_1.gif]](/attachments/signaturepics/sigpic23522_1.gif)
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02-27-2023, 11:33 PM
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#5
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Jul 2002
Location: Camarillo, CA ---Back in the house after 7 yrs fulltiming
Posts: 1,652
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My 2004 Chieftain heater control is most likely exactly the same as yours.
Here's a drawing of the control lines and it has a couple of part numbers listed.
__________________
Bill & dear wife Helen
Last of the Chieftains, 2004 39T, W22, UP tune, Banks, Koni's, Safe-T-Plus, SMI brake
2017 Lincoln MKZ Hybrid towed 4-down or my 2008 Jeep Wrangler JK
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03-03-2023, 05:05 PM
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#6
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Senior Member
Workhorse Chassis Owner
Join Date: Feb 2005
Location: Anderson, IN
Posts: 476
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Duner,
Thanks, the vacuum line is fine. I've already had to replace the control, probably with a used one, so I want to get another if I can. I'm going to pull it and see if I can repair it. It only has high speed and I've replaced the relay and checked the resistor.
Thanks again,
Dave
__________________
2004 37B Adventurer, 8.1 WH, Ultrapower, DIY CAI, Henderson Track Bar, Tru Center, Koni FSD's, Roadmaster Even Brake, Scan Guage II, 180 Thermostat,
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03-03-2023, 05:10 PM
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#7
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Senior Member
Workhorse Chassis Owner
Join Date: Feb 2005
Location: Anderson, IN
Posts: 476
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Ed,
I won't comment on the senile part. Lol! We still have the MH, but we also have a 5th wheel that stays in Florida, where we winter.
Hope you and Sue are doing well.
Dave
__________________
2004 37B Adventurer, 8.1 WH, Ultrapower, DIY CAI, Henderson Track Bar, Tru Center, Koni FSD's, Roadmaster Even Brake, Scan Guage II, 180 Thermostat,
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08-03-2023, 03:01 PM
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#8
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Junior Member
Join Date: Jun 2013
Posts: 2
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I have a 07 pace arrow and my temp control has somehow disconnected or not functioning from the control. It moves the entire cable and not just the inner wire. I moved the control in front of the passenger seat manually to cool but still trying to figure out the actual issue at the dash control
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08-03-2023, 04:42 PM
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#9
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Senior Member
Join Date: Jan 2009
Posts: 5,399
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Quote:
Originally Posted by rod kehler
I have a 07 pace arrow and my temp control has somehow disconnected or not functioning from the control. It moves the entire cable and not just the inner wire. I moved the control in front of the passenger seat manually to cool but still trying to figure out the actual issue at the dash control
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There's gotta be a way to keep the outside casing from moving. Here's an image of one that is clamped down.
In this image, the green holds the casing in place. There are other ways of accomplishing this. Being newer, I'd bet at least some of the heater control assembly is made of plastic. It may be cracked or broken.
__________________
03 Itasca Sunova, Workhorse P32 with the 8.1 and 4L85-E
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Linear Mode
