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radio - 1951 GMC: 6v to 12v ?? #1509224 07/14/2023 7:32 PM
Joined: Dec 2018 Posts: 10 NEW HAMPSHIRE B bobbynudd 'Bolter
bobbynudd 'Bolter B Joined: Dec 2018 Posts: 10 NEW HAMPSHIRE	I have a 1951 gmc 3/4 ton pickup. It is 6 volt positive ground system. I would like to put a aftermarket raido in but all I can find are 12 volt negative ground. any suggestions? Last edited by Peggy M; 07/14/2023 11:59 PM. Reason: added more info to the title

Re: radio - 1951 GMC: 6v to 12v ?? bobbynudd #1509230 07/14/2023 8:27 PM
Joined: Sep 2001 Posts: 29,269 Jarvisburg, NC, USA tclederman Bubba - Curmudgeon
tclederman Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 Jarvisburg, NC, USA	Maybe this will help? I am confused, but that's is normal these days/daze. Tim 1954Advance-Design.com 1954 3106 Carryall Suburban 1954 3104 5-window pickup w/Hydra-Matic The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.

Re: radio - 1951 GMC: 6v to 12v ?? bobbynudd #1509232 07/14/2023 8:31 PM
Joined: May 2016 Posts: 268 Illinois J Johnny N 'Bolter
Johnny N 'Bolter J Joined: May 2016 Posts: 268 Illinois	Change it to negative ground. Easy process and then get a 12 volt to 6 volt power inverter. 1949 gmc 1-ton

Re: radio - 1951 GMC: 6v to 12v ?? bobbynudd #1509235 07/14/2023 8:53 PM
Joined: Jan 2022 Posts: 2,435 Morris Ranch Texas B Bill Hanlon 'Bolter
Bill Hanlon 'Bolter B Joined: Jan 2022 Posts: 2,435 Morris Ranch Texas	This should do. Note their comment about a radio's memory keep alive circuit. '57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12 '52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.

Re: radio - 1951 GMC: 6v to 12v ?? bobbynudd #1509252 07/15/2023 12:01 AM
Joined: Apr 2004 Posts: 5,065 Skyline (NE) Alabama P Peggy M Authorized Pest
Peggy M Authorized Pest P Joined: Apr 2004 Posts: 5,065 Skyline (NE) Alabama	The Radio Bench Moderator responded here. Once you get over there, we can delete the basically duplicate post. Hope you can get what you need. Thanks for asking. ~ Peggy M 1949 Chevrolet 3804 "Charlie" - The Stovebolt Flagship In the Gallery "We make a living by what we get; we make a life by what we give." -- Winston Churchill

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