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Author Topic: Heater control w/ac for a '73  (Read 4434 times)

Offline 73c10Shorty

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Heater control w/ac for a '73
« on: October 16, 2013, 10:36:23 am »
Does anyone know if a heater control unit for a 74/75 will work in my 73?

I couldn't find one on this site but here's a link to the one I found.
http://www.brotherstrucks.com/prodinfo.asp?number=HCA75AC
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1973 C10 Shortbed, 350/350

Offline Jason S

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Re: Heater control w/ac for a '73
« Reply #1 on: October 17, 2013, 07:39:37 pm »
To the best of my knowledge, the Factory Air control panel for '73-'75 trucks were the same.

Is your control panel completely missing? 
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1973 GMC K2500, Super Custom, Camper Special, 350, TH350, NP203, 4.10's
1974 Chevrolet K10, Custom Deluxe, 350, SM465, NP203, 3.73's

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Offline 73c10Shorty

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Re: Heater control w/ac for a '73
« Reply #2 on: October 17, 2013, 09:25:36 pm »
I steal have the original control unit in there. It works, but it's extremely hard to adjust. Very sticky.
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1973 C10 Shortbed, 350/350

Offline bd

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Re: Heater control w/ac for a '73
« Reply #3 on: October 17, 2013, 10:04:00 pm »
Have you tried lubricating the control head with a little lithium grease and spraying the cables with some Tri-Flow or WD-40?
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Offline 73c10Shorty

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Re: Heater control w/ac for a '73
« Reply #4 on: October 17, 2013, 10:24:02 pm »
I have not. That sounds a lot cheaper than a new control unit!
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1973 C10 Shortbed, 350/350

Offline bake74

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Re: Heater control w/ac for a '73
« Reply #5 on: October 18, 2013, 10:42:16 am »
Quote from: bd on October 17, 2013, 10:04:00 pm
Have you tried lubricating the control head with a little lithium grease and spraying the cables with some Tri-Flow or WD-40?

     It is a little bit of work to do, but most always you can get them "un-stuck" as BD said, I found that if you take the time to take it apart and clean it right it works like new.
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