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Click on image for the lowdown. 
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| | | Forums66 Topics128,021 Posts1,055,346 Members48,420 | | 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!
| | THANKS!
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: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | The photo of your firewall is attached (and re-orientated) below - I hope.
The hoses in place are for the recirculating heater (your first image in your first post).
The unused holes/openings are/were for the "deluxe" heater parts/hoses. | | |
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