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1993 GL1500 Aspy 1980 GL1100 STD
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That condenser is noise reduction - it is supposed to help keep alternator "whine" out of your stereo....

You need power to the field coils in the rotor and an appropriate load on the output to do a reasonable alternator test. A battery is the best load. Without proper loading or a battery, the voltage regulator will be hunting like crazy to regulate an unloaded alternator.

Without excitation voltage to the rotor you can spin the alternator all day and it will output nothing.
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