Steve Saunders Goldwing Forums - View Single Post - Led light effecting voltage

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post #9 of (permalink) Old 08-16-2019, 02:29 PM
JamesPal
Average Goldwing Rider
 
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Join Date: Oct 2009
Location: Bellevue, Washington, USA
Year: 1972, 1981, 1985
Make: CB450, GL1100, GL1200I
Model: K5, Standard, Interstate
Posts: 1,024
Ohm's Law is at play here. Ohm's Law states: resistance of the circuit is equal to the voltage divided by amperage, or R=V/A. The LED is lower wattage than a Halogen by about 1/3. Reducing the wattage in the circuit is the same as lowering the resistance. In your GL1000, the current (watts or volt times amperage) is constant. Lower the resistance, current is constant then the voltage must go up to keep the formula balanced... or so Ohm says. The only reason to have the LED is if you like it. If you want to keep it I would suggest a modern voltage regulator such as Rick's MOS FET regulator. Above 14 volts will cause the battery to boil off faster. You will need to keep a closer eye on the battery electrolyte level until this gets sorted out.

Jim Palmer
Current rides:
\'85 GL1200I Garage Find
\'81 GL1100 Std
\'72 CB450K5
My \'81 Restoration:
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