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#831648 - Fri Mar 02 2012 11:04 PM Heater. Do I have one?  
Spooky  Offline
New Guy
Joined: Mar 2012
Posts: 11
California
I have a new 65 C20 and I have been doing things to make it better. I installed a new fuse box and finally got the fan working. It then occurred to me that there is no heater control! There is an air/fan knob and the up down control toggle on the heater. The hoses in and out of the heater box on the firewall are both hot when running. I had a C10 in high school. I distinctly remember there being heat and a way to control it... sorta.
here are a couple of shots of my controls.
[url=<a href="http://s49.photobucket.com/albums/f262/magicalmisfits/?action=view&current=photo2.jpg" target="_blank"><img src="http://i49.photobucket.com/albums/f262/magicalmisfits/photo2.jpg" border="0" alt="Photobucket"></a>]Fan/Air Toggle[/url]
[url=<a href="http://s49.photobucket.com/albums/f262/magicalmisfits/?action=view&current=photo3.jpg" target="_blank"><img src="http://i49.photobucket.com/albums/f262/magicalmisfits/photo3.jpg" border="0" alt="Photobucket"></a>]Up Down Vent control[/url]



#831673 - Sat Mar 03 2012 12:18 AM Re: Heater. Do I have one? [Re: Spooky]  
Dado  Offline
Wrench Fetcher
Joined: Mar 2009
Posts: 74
ga
Pull the fan knob out To heat truck


#831715 - Sat Mar 03 2012 02:32 AM Re: Heater. Do I have one? [Re: Dado]  
4-5-6 Chevy Trucks  Offline
Shop Shark
Joined: Nov 2004
Posts: 2,720
Kansas City, KS
There are two heater/defroster systems available on your '65 Chevy C20...Thrift-Air (single pull knob/2-speed) or Deluxe-Air (three levers/3-speed). On the Thrift-Air system, the defrost is activated by flipping the lever on the under-dash distribution box. The heat/defrost is controlled, via the 3-lever dash control on the Thrift-Air system.


Tony Smith
4-5-6 Chevy Trucks
501 Scott Avenue
Kansas City, KS 66105
913-207-7789
4-5-6chevytrucks@sbcglobal.net
Photos: http://www.flickr.com/photos/4-5-6chevytrucks/sets/
Custom Parts: http://www.flickr.com/photos/4-5-6chevytrucks/sets/72157627022818563/
www.4-5-6chevytrucks.com

#831727 - Sat Mar 03 2012 03:30 AM Re: Heater. Do I have one? [Re: 4-5-6 Chevy Trucks]  
Spooky  Offline
New Guy
Joined: Mar 2012
Posts: 11
California
Hmmmm Guess I need to figure out why I don't get heat when I pull the knob. Maybe whatever is supposed to get pulled is disconnected.The old owner was clipping wires for no apparent reason and I am reattaching them as I find them!


#831776 - Sat Mar 03 2012 05:56 AM Re: Heater. Do I have one? [Re: Spooky]  
JohnDeere80  Offline
New Guy
Joined: May 2011
Posts: 3
MN
My 65 has a lever on the on the Rt side of the heater box under the hood. My truck has the cable runing through the firewall and then cut off. The lever controls how much heat is let inside the cab


#831777 - Sat Mar 03 2012 06:19 AM Re: Heater. Do I have one? [Re: JohnDeere80]  
4-5-6 Chevy Trucks  Offline
Shop Shark
Joined: Nov 2004
Posts: 2,720
Kansas City, KS
The 60/66 Factory Assembly manual would be a big help for you on your project for things like this.

Factory Assembly manual



Tony Smith
4-5-6 Chevy Trucks
501 Scott Avenue
Kansas City, KS 66105
913-207-7789
4-5-6chevytrucks@sbcglobal.net
Photos: http://www.flickr.com/photos/4-5-6chevytrucks/sets/
Custom Parts: http://www.flickr.com/photos/4-5-6chevytrucks/sets/72157627022818563/
www.4-5-6chevytrucks.com

#831986 - Sun Mar 04 2012 02:59 AM Re: Heater. Do I have one? [Re: 4-5-6 Chevy Trucks]  
Spooky  Offline
New Guy
Joined: Mar 2012
Posts: 11
California
OK I have traced the push pull cable and all is in order. Tommorow me and my Son-in-law are going to try flushing the system to see if we have a clog.


#831990 - Sun Mar 04 2012 03:05 AM Re: Heater. Do I have one? [Re: Spooky]  
4-5-6 Chevy Trucks  Offline
Shop Shark
Joined: Nov 2004
Posts: 2,720
Kansas City, KS
A clog in the coolant system, will not keep the air from flowing. Pull the power wire off the blower motor, below the under-hood heater box. With a jumper wire, run power directly to the blade connector on the blower motor from the positive on the battery. They motor should spin-up, at full speed, since you are giving it a full 12v. If the blower motor does not spin, this is your issue. If the blower motor does power up, it is in your dash controls.


Tony Smith
4-5-6 Chevy Trucks
501 Scott Avenue
Kansas City, KS 66105
913-207-7789
4-5-6chevytrucks@sbcglobal.net
Photos: http://www.flickr.com/photos/4-5-6chevytrucks/sets/
Custom Parts: http://www.flickr.com/photos/4-5-6chevytrucks/sets/72157627022818563/
www.4-5-6chevytrucks.com

#832060 - Sun Mar 04 2012 08:16 AM Re: Heater. Do I have one? [Re: 4-5-6 Chevy Trucks]  
Spooky  Offline
New Guy
Joined: Mar 2012
Posts: 11
California
A clog in the coolant system, will not keep the air from flowing.

I looked back and I guess I didn't present this clearly. The fan works fine I just can't get warm air. I thought the push pull cable was the culprit but it works fine. So now to trouble shoot the wet part of the heater.


#832246 - Mon Mar 05 2012 02:14 AM Re: Heater. Do I have one? [Re: Spooky]  
4-5-6 Chevy Trucks  Offline
Shop Shark
Joined: Nov 2004
Posts: 2,720
Kansas City, KS
In the distribution box, under the dash, there is a heater resistor, that glows, red-hot, when it is functioning properly, on High setting. Check this also.


Tony Smith
4-5-6 Chevy Trucks
501 Scott Avenue
Kansas City, KS 66105
913-207-7789
4-5-6chevytrucks@sbcglobal.net
Photos: http://www.flickr.com/photos/4-5-6chevytrucks/sets/
Custom Parts: http://www.flickr.com/photos/4-5-6chevytrucks/sets/72157627022818563/
www.4-5-6chevytrucks.com

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