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Click on image for the lowdown. 
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| | | Forums66 Topics128,095 Posts1,056,078 Members48,433 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2009 Posts: 8 New Guy | | New Guy Joined: Feb 2009 Posts: 8 | i have the proper heater in my 50. but what is the proper switch to turn on the blower motor? does my heater (non fresh air) need a flow control valve or does it circulate through the heater core all the time?
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