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Posted by trainfan1 on September 17, 2006, 5:33 pm
darrell@computerrx.biz wrote:
> I've just replaced the engine on my 18.5 hp Craftsman lawn tractor. It
> has a Briggs engine (31P7770296E1, 18.5 hp OHV Intek Plus). Although I
> replaced the engine with the exact same model number there is one wire
> configured differently on the new engine.
>
> The old engine had one wire attached from the flywheel to the
> regulator. The new engine has two wires connected to the flywheel.
> I'm assuming one is a hot wire to the regulator the same as the
> original engine and that the other wire is a ground.
>
> Can anyone provide any information on this or direct me to a schematic?
>
> Thanks,
>
> Darrell
>
One lead from the alternator coils is for charging the battery, the
other is for lights. Typical for a Briggs is 3 amps to the rectifier
for charging, & 5 amps AC for lighting.
Rob
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