Chang­ing to a One-Wire Al­ter­na­tor from a Three-Wire, Part 1

Street Rodder - - Street Corner -

On early ’60s cars and trucks with an ex­ter­nal volt­age reg­u­la­tor, this change is a bit more com­pli­cated than later models. Dis­con­nect the wiring from the volt­age reg­u­la­tor and dis­card the wires go­ing to the al­ter­na­tor. Leave the al­ter­na­tor out­put wire in­tact. Re­move the ig­ni­tion wire com­ing from the main har­ness to the reg­u­la­tor, usu­ally a brown wire, from the reg­u­la­tor con­nec­tor tape

and se­cure. Dis­card the con­nec­tor. Cau­tion: The fac­tory out­put wire on the old al­ter­na­tor will prob­a­bly be too small to carry the high-am­per­age out­put of the new al­ter­na­tor. An add-on charge wire kit like the Pain­less PN 30709

is rec­om­mended.

Note: A charge light can’t be used with a

one-wire al­ter­na­tor sys­tem.

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