tecumseh 17.5 charging system

J

JAYJAY

Member
hi there im new on this forum. I just bought this motor that what was swap and have no voltage regular so my question is does it work with diode or i need a voltage regulator. try to find something on the web and dont find anything about voltage regulator.

thanks.
 

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Will need model number off the engine. Also the model number off what you are putting it on to see if they are compatible.
 
BlazNT said:
Will need model number off the engine. Also the model number off what you are putting it on to see if they are compatible.
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im doing the wiring its for a snowblower projet for my atv. need to charge the battery from the red wire that coming from the magneto of the engine. i have 27 volts coming out of the motor and i need 12 volts for the battery and i have not voltage regulator or rectifier.
 

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That engine uses a 3 amp dc charge (diode bump in wire coming from stator) and a 5 amp ac for lighting. No regulator/rectifier on that engine.
 
ILENGINE said:
That engine uses a 3 amp dc charge (diode bump in wire coming from stator) and a 5 amp ac for lighting. No regulator/rectifier on that engine.
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thats what i taught so i bought a 6 amps 100 voltgs diode. but my question is will that diode work or i need a special diode for that motor
 
I don't see why it wouldn't work. The tecumseh part number 611161 is the replacement diode for that engine and is still available just in case.
 
ILENGINE said:
I don't see why it wouldn't work. The tecumseh part number 611161 is the replacement diode for that engine and is still available just in case.
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I've been told that I diode just let the voltage pass through it won't convert the voltage to 12 volt to charge the battery
 
The diode lets the power pass one way and not the other. Basically the single diode acts like a half wave rectifier. it lets one half of the AC alternating current pass but not the other. It is not a true DC current more of a DC pulse. So if you are getting 27 volts AC then you should get 13.5 pulse DC through the diode for battery charging.
 
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