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Classic Truck Projects Section


One-Wire Your Own Alternator

So you'd love to have a one-wire alternator, but finances preclude buying one? Not a problem. Summit offers a conversion kit to turn your present GM internal regulator-type, two-wire alternator (Delcotron 10-S1) into a one-wire. Basically, the kit swaps your alternator's old voltage regulator for a self-energizing one, eliminating the need for a wire running to the ignition switch. The Summit kit includes the regulator, a new brush holder, mounting hardware, and instructions. Find out how easy it is to convert your alternator by following the steps.

STEP ONE

To begin the conversion, you'll need to remove the alternator from the vehicle. Mark the front and rear housings with alignment marks to make reassembly easier. Use a 5/16 inch socket to remove the four bolts holding the alternator together.

 

STEP TWO

Pull the alternator apart carefully, making sure the stator stays with the rear housing. Remove the stator by undoing the three #8 nuts on the rectifier bridge, then gently pry the stator from the housing.

 

STEP THREE

Next, remove the three #8 screws holding the diode trio, the brush holder, and voltage regulator. Two of the screws are plastic-insulated, the other is plain (ground). Do not mix these up or the alternator will not work! Remove the rectifier bridge.[more]

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