fsnooks 5 Posted June 6, 2020 Share Posted June 6, 2020 Why my 25 Touring(Canadian) is Positive ground and my buddy's 24 DB Touring(USA) is Negative ground? My manual Dodge Brothers Cars Graham Brothers Trucks shows the diagram as Positive Ground. His diagram from a different manual(I assume USA)shows Negative ground. Does it matter which way you ground? Fred Link to post Share on other sites
24 Roadster 21 Posted June 6, 2020 Share Posted June 6, 2020 My 24 is positive ground. 1 Link to post Share on other sites
HarryLime 109 Posted June 6, 2020 Share Posted June 6, 2020 Polarity change when crossing international borders. Link to post Share on other sites
JayG 73 Posted June 7, 2020 Share Posted June 7, 2020 My 25 is positive ground. 1 Link to post Share on other sites
DB26 185 Posted June 7, 2020 Share Posted June 7, 2020 I know in the USA they went from negative ground to positive ground in mid 1926. Don’t know about Canada, though. Link to post Share on other sites
nearchoclatetown 303 Posted June 7, 2020 Share Posted June 7, 2020 What is the edition number of your buddy's manual? I am guessing he has the wrong one. DB went from negative to positive in mid '22 about the time the horn button moved from the door to the steering wheel. Had something to do corrosion on the contacts. Link to post Share on other sites
crazycars 26 Posted June 7, 2020 Share Posted June 7, 2020 positive ground here Link to post Share on other sites
platt-deutsch 16 Posted June 8, 2020 Share Posted June 8, 2020 Positive ground on my 25 Link to post Share on other sites
MikeC5 220 Posted June 9, 2020 Share Posted June 9, 2020 Positive on my '25 (US model). Link to post Share on other sites
Pete K. 24 Posted June 9, 2020 Share Posted June 9, 2020 Positive ground on this U.S. '25 DB. Link to post Share on other sites
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