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Mod | | | Forums66 Topics128,183 Posts1,057,264 Members48,467 | | 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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| | | | Joined: Mar 2020 Posts: 2 New to boltin' | | New to boltin' Joined: Mar 2020 Posts: 2 | I have a 1953 GMC that I plan on swapping a 235 into along with a T5 transmission at some point. Right now, I'd like to assemble some parts so I can begin a conversion from the 12v spaghetti under the hood into a cleaner and more organized new harness. What I'm looking for is one that allows me to run the 235 and is in 12v. Right now, the 228 motor is in 12 volt so it shouldn't take much to redo the wiring. Which harness would be the best to go with to maintain original look (I really like the cloth loom look), but I know I'll likely need some voltage reducers and whatnot. I haven't explored the current wiring system too much as it is a mixture of new wiring and old cloth loom, and it runs, so I didn't want to start pulling it apart right after I got it. Its literally the first running project I've had since I sold a WWII Jeep in 2011. I'm picking up the 235 this coming weekend and will take stock of what I have when I get it back home.
If anyone has a recommendation for a wiring harness that meets my criteria (12v, 235 capable, cloth loom if possible), I'd appreciate it! | | | | | Joined: Jan 2010 Posts: 4,263 Shop Shark | | Shop Shark Joined: Jan 2010 Posts: 4,263 | I have read on here that rhode island wire is a good choice for original type/look harness Very expensive There are others ...link... | | | | | Joined: Mar 2020 Posts: 2 New to boltin' | | New to boltin' Joined: Mar 2020 Posts: 2 | I have read on here that rhode island wire is a good choice for original type/look harness Very expensive There are others ...link...Wow, I haven't seen RI Wire in a very long time...they do harnesses for Model A cars and make a really nice product. I might just buy the wires I will need to replace the current harness and fashion my own from vintage looking but modern wire. | | | | | Joined: Aug 2011 Posts: 229 'Bolter | | 'Bolter Joined: Aug 2011 Posts: 229 | I bought a RI wire for my 51 GMC and I simply want to say......I wouldn’t recommend it to anyone , especially for the price. | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | pdlightning?
Is your 53 GMC all original style/size/location parts?
6v positive ground with original equipment engine?
What type of problems did you have? | | | | | Joined: Jul 2006 Posts: 24 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2006 Posts: 24 | Painless Performance has a woven ABS sleeving you can install over any wiring, to look like cloth-insulated OE. Personally, I'll take the modern XPE (cross-linked polyethylene) insulation offered on most aftermarket harnesses. Much tougher than the original cloth.
If a 'truck' is only used to haul butts to the mall, then it's not a truck - it's a car with a roadster trunk.
Old, rusty and ugly - might be me or my fleet. You decide!
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