tecumseh 17.5 charging system

JAYJAY

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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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BlazNT

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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.
 

EngineMan

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We need to know the model numbers
 

JAYJAY

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sorry guys here a picture on the motor
 

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JAYJAY

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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.


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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ILENGINE

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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.
 

JAYJAY

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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.

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
 

ILENGINE

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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.
 

JAYJAY

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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.

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
 

ILENGINE

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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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