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Click on image for the lowdown. 
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| | | Forums66 Topics128,057 Posts1,055,808 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! | | | | Joined: Apr 2010 Posts: 27 New Guy | | New Guy Joined: Apr 2010 Posts: 27 | I put a new harness in my '49 and now want install my heater switch and wire it to the heater motor (6V). I need to know wire guage to use and the correct terminal from which to get the power for the heater. The switch terminals are marked B and M. I assume M means it's the motor terminal. | | |
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