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Old 06-11-2026, 01:16 AM
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6262 6262 is offline
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Default Battery terminal orientation on a '65 Bonneville

Hi! Does anyone know if the negative battery terminal on a '65 Bonneville faces the fender or the engine? In other words, is it on the left or the right when viewed from the front? I’ve seen it both ways; the split seems to be fifty-fifty. Thanks! Nils

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Old 06-11-2026, 10:00 AM
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pfilean pfilean is offline
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I would think they were always negative nearest to the engine so the negative cable would go right to a Bolton the front of the head to maybe to some bolt on an accessory bracket. The positive would then run along the inner fender. I suppose a 65 might get a group 24 battery and not the group 24F.. The terminals are reversed between those groups.

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Old 06-11-2026, 04:02 PM
Jonsie Jonsie is offline
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Yes, positive cable next to the fender

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Old 06-11-2026, 09:07 PM
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My 65 GP has the positive near the fender too. There is a short red wire that goes to the horn relay on the fender behind the battery. I think that is stock. I know that wire would not reach the engine side of the battery.

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