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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!
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| | | | Joined: Jan 2010 Posts: 12 New Guy | | New Guy Joined: Jan 2010 Posts: 12 | I was wondering if anyone can tell me what this hole is for? I have a 65 C10 and on the drivers side on the floor pan towards the rear there is a factory made hole about the size of a quarter and there is a factory made v cut channel that runs from right below the hole to the the top of the rocker panel. It almost looks like a handle would rest in the channel and go through the hole to access something under the cab. Thanks...
Last edited by t douds; 06/17/2010 6:53 PM.
| | | | | Joined: Sep 2004 Posts: 235 Shop Shark | | Shop Shark Joined: Sep 2004 Posts: 235 | It is for your tail light wires My 61 has a cover on top | | | | | Joined: Jan 2010 Posts: 12 New Guy | | New Guy Joined: Jan 2010 Posts: 12 | Thanks Big T. So the wires would come down the firewall and go under the sill plate? or what? | | | | | Joined: Sep 2009 Posts: 118 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2009 Posts: 118 | yup. up the sill plate. there should have been a cover with one screw that mounts over top of that hole to give it a cleaner look and protect the plug. its about 4 or 5 inches | | | | | Joined: Nov 2004 Posts: 1,552 Shop Shark | | Shop Shark Joined: Nov 2004 Posts: 1,552 | Dual saddle tanks had a transfer valve mounted in this location. I have several trucks with them, although most have had the tanks removed. I have a half-dozen of the transfer valves, removed from donor cabs. | | |
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