| |
Click on image for the lowdown. 
====
| | |
4 members (2-Ton, baldeagle, BC59, 1 invisible),
72
guests, and
9
robots. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics128,020 Posts1,055,345 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 | If you are referring to the black knob with a white indentation on the front of it, that is attached to a cable that opens the interior air door on the front of the Air Flow heater (if you have a that style of 54 heater). See if there is a word on the switch "lever" on the fused switch. | | |
|
|
| |
