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Old 08-07-2019, 10:10 AM
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Tecumseh Charging System

I don't know how this pertains to hot rodding except that I need to get this done so I can get back to working on my hot rods. I am swapping motors in my old Wheel Horse lawn tractor. Trying to figure out how to hook up the battery charging system. I have a Tecumseh 10 HP engine. There are 2 wires coming from the stator. One red. One green. At idle the red put out 1.96 volts. The green is 3.4 volts. I know on the 16HP briggs I have the red goes to the battery and the white is for lights. I don't know about the Tecumseh because I can't find any diagrams. Can anyone tell me how to hook this up or point me to a Tecumseh diagram. Not having any luck googling.

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Old 08-07-2019, 05:44 PM
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Not sure about Techumsehs, but on a Kohler K engine, the 2 wires from the stator put out 23+ volts AC....It then goes to the regulator and gets converted to DC....

Googled and found this YouTube...

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Old 08-07-2019, 07:42 PM
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Well, I tested them both on DC mode. Maybe I need to test them again on AC?
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Old 08-08-2019, 06:35 AM
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Quote:
Originally Posted by jaw22w View Post
Well, I tested them both on DC mode. Maybe I need to test them again on AC?

Yes you do. And I don't have the info but for a cheap rectifier and regulator combo, look at Briggs and Stratton stuff. I bought one for a 1972 Bolens and it worked like a charm. Just go oversize, like 25 or 35 amp. it will run nice and cool. But when I did mine I took out a unit the size of a couple auto regulators and put in the the new, about 1.25" square regulator, with heat sink compound where I removed the old one. Just cut the plugs off the wires. The two yellow go to the engine and I'm guessing the other two are black and red, which I think you will figure out on your own.
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