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Click on image for the lowdown. 
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| | Forums66 Topics128,052 Posts1,055,721 Members48,426 | | 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!
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| | | Joined: Sep 2003 Posts: 324 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 324 | The hose under the horn is going to a heater controal valve and then into the heater. the hose on the left is the return hose to the radiator. This truck must have a deluxe fresh air heater as they were the one that used this type of valve. | | |
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