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Old 08-11-2018, 09:55 PM   #9
Badpuppy
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Join Date: Dec 2017
Location: Guthrie, OK
Posts: 1,144
Default Re: Headlight Electrical Draw

Quote:
Originally Posted by Tom Wesenberg View Post
Stock headlamps and taillight draw about 8 amps. My 28 is all stock and draws 8 amps.
Right, Tom. That's all the stock generator was designed to handle. I was assuming worst case - 2x50CP in front + 2x15CP in back, which seems to be all the rage these days. That's almost 100W total. Plus another 35W or so for 2 brake lights. So to avoid generator meltdown it's necessary to rely on battery reserve to run this set of lights. Then when you get home, shut off your Christmas tree and keep the engine running until the battery comes back up.

As for me, I swapped in a 6V 30A alternator, which can handle all that, and has a built-in regulator so I don't have to worry about a 3rd brush setting.
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