Battery condition is extremely important. No voltage regulator can work correctly with a bad or weak battery. Always fully charge your battery before performing any charging system tests or replacing parts. If there is any doubt, have the battery load tested or replaced.
Runs much cooler than the traditional Shunt voltage regulator rectifier.
Less load on the stator, less work, less fuel is used and you save.
The power charging your battery is steadier and smooth.
Extends the battery’s life and cold cranking capacity.
Removes stator load resulting in more engine power.
Optimize power delivery by switching the stator coils on or off.
*All item pictures are accurate, if in doubt, do not hesitate and compare our item to your original part.
Harley Davidson Roadster XLS -- 1978-1981
Harley Davidson Sportster 1000 -- 1979-1981
74504-78
H0478
Dimensions:
Width: 68 mm
Length: 98 mm
Height: 35 mm
Wires length: 210 mm
Fixation holes center to center: 82 mm
Other specifications:
Number of plugs: 1
Number of pins: 3
Number of wires: 3
Before installing your new Mosfet voltage regulator rectifier :
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