Click on image for the lowdown. 
====
| | | Forums66 Topics128,022 Posts1,055,382 Members48,422 | | 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! | |
#90542 11/29/2002 11:11 PM | Joined: Jun 2000 Posts: 52 Member | | Member Joined: Jun 2000 Posts: 52 | I'm a moron, I admit. I removed my old harness on my 50 GMC (6V, positive ground) and was planning a 12V conversion,so I bought a new harness. Now plans have changed and I want to stay with the original 6V setup. Of course, my old harness is long gone. Can I use the 12V harness in a 6V setup? Sorry, don't understand watts from amps from volts. HELP! Thanks. | | |
#90543 11/30/2002 12:34 AM | Joined: Jan 2001 Posts: 613 Member | | Member Joined: Jan 2001 Posts: 613 | no,six volt wiring has to be twice the size.if the harness was made only for 12 volts it probably has smaller wires. | | |
#90544 11/30/2002 3:15 AM | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | FredB,
From whom did you buy the wirining harness? Did you specify 12v?
Tim | | |
#90545 11/30/2002 6:36 AM | Joined: Jun 2000 Posts: 52 Member | | Member Joined: Jun 2000 Posts: 52 | I bought it from Jim Carter.., no, I did not specify 12V. But like an idiot, I did specify alternator (hey, at the time, it seemed like the right idea.) | | |
#90546 11/30/2002 4:29 PM | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | FredB,
If you bought a harness for a 1950, call Jim Carter and ask if it will work with a 6v GMC. My guess is that you will be OK with the new harness as long as you use the larger 6v battery ground strap and starter cable.
Too bad about the alternator set-up - maybe someone else will have advice on that.
Tim | | |
#90547 12/01/2002 12:45 AM | Joined: Jul 2000 Posts: 504 Member | | Member Joined: Jul 2000 Posts: 504 | I am sure that if you talked to Jim Carter, he would try to help you out. If your alternator harness is unused, he may well let you exchange it. It is worth a call..
Bill M 53 GMC Hydra-Matic
Home Page http://home.comcast.net/~bd97/index.html
When you argue with a fool, two fools are arguing..
| | |
#90548 12/05/2002 11:33 PM | Joined: Jan 2001 Posts: 230 Shop Shark | | Shop Shark Joined: Jan 2001 Posts: 230 | It should be fine , just make up a three wire sub harness for the generator to regulator , the repop harnesses all come in the same diameter wires . slap that puppy in and go drive your Jimmy .
-Nate There is no problem so difficult it cannot be overcome by generous application of brute force & ignorance
| | |
| |