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#1 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Vintage air heater w/ defrost install
I installed this last year and thought I would share. The factory heater box was too large for my engine package and I have been driving around the last several years without heat which wasn't too big of a deal but not having defrost was the issue.
I bought this general purpose unit from vintage air p/n 506101 The nice thing about it is that the blend door and the coolant valve are electronic. The unit requires one 12v tap in (I used the factory fan wire) and everything else has it's own supplied wiring harness. I believe it is made in USA and was around $250. My only complaint is that the low speed fan setting is still very high and noisy. I may try to slow it down in the future but for now it seems to do a good job.
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1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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#2 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Re: Vintage air heater w/ defrost install
The box tucks nicely out of sight.
While I was at it I had to relocate a couple gauges that were previously where the heater control is now.
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1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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#3 |
Registered User
![]() Join Date: Aug 2019
Location: Cheraw
Posts: 1,300
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Re: Vintage air heater w/ defrost install
How large are the controls? could they be installed in the ashtray opening? could you a picture of the firewall where the blower motor was?
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#4 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Re: Vintage air heater w/ defrost install
I can't take any measurements as my truck is in storage at the moment. Here is a picture of the controls to give a better perspective.
The aluminum plate in the above pictures is where the factory box/blower motor was previously.
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1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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#5 |
Senior Member
![]() ![]() Join Date: Jan 2005
Location: CA
Posts: 6,241
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Re: Vintage air heater w/ defrost install
That is an impressive price. What is the thing that is mounted where the original blower motor was located?
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#6 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Re: Vintage air heater w/ defrost install
It's a round disc that got RTV'd around the hole. There is a guy on ebay that sells the aluminum block off plate and blower cover for a bunch of different vehicles. They are around $40 bucks or something
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1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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#7 | |
Registered User
Join Date: Sep 2017
Location: Patriot IN
Posts: 163
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Re: Vintage air heater w/ defrost install
Looks good! I used the same unit in my 70 30 with the cummins for the same reasons.
Quote:
here is the back of the controls. ![]() I milled out a factory heater control that I picked up on ebay ![]() ![]() Here is is installed under the ashtray you can see it is small enough to be mounted in the ashtray opening if you wanted to put something else in the factory heater control place. ![]() I did the same thing with the opening I found a guy selling 7" inch Aluminum Disc 2mm Thick on ebay it was like 12 shipped. I used seam sealer and 3 self tapers. ![]() Last edited by jarrodblake; 01-05-2021 at 04:03 PM. |
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#8 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Re: Vintage air heater w/ defrost install
I like the idea of using the factory heater control frame, that looks good.
__________________
1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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#9 |
Registered User
![]() Join Date: Dec 2014
Location: Loveland, CO
Posts: 179
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Re: Vintage air heater w/ defrost install
J_cst_10,
Wondering how the routing of the vent and defrost hoses works out. Looks like it has two outlets, did you run defrost and lower outlets? Thanks in advance, Roger
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1971 K10 short bed step side, 5.3/th350/205, 3.73 gears |
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#10 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Re: Vintage air heater w/ defrost install
So the two outlets are for both defrost vents. There is a door flapper below that is hard to see. It has the option for defrost only - door closed, floor only -fully open, or blended.
__________________
1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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#11 |
Registered User
![]() Join Date: Dec 2014
Location: Loveland, CO
Posts: 179
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Re: Vintage air heater w/ defrost install
Perfect, thank you.
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1971 K10 short bed step side, 5.3/th350/205, 3.73 gears |
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#12 |
Registered User
Join Date: Jul 2014
Location: Washington
Posts: 547
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Re: Vintage air heater w/ defrost install
Just Wondering when you wired this up if you went straight to the battery or to a keyed ignition source for power?
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#13 | |
Registered User
Join Date: Sep 2017
Location: Patriot IN
Posts: 163
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Re: Vintage air heater w/ defrost install
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#14 | |
Registered User
Join Date: Jul 2014
Location: Washington
Posts: 547
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#15 |
Registered User
Join Date: Nov 2008
Location: Cleveland, OH
Posts: 592
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Re: Vintage air heater w/ defrost install
I did the same as well. That way you still use the fuse in the panel for it and it's goes on and off with the ignition key.
My only beef with the system after having it in service for a couple years is the blower motor noise. It is smaller and spins much faster then the factory blower which was huge and moves big volume at low speed. That being said I really only use it for the defrost function so I can see when it's cold and rainy. It works well for this so all is good.
__________________
1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
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