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Post by micscience on Aug 7, 2018 11:32:13 GMT -5
I cleaned up the frame ground and tightened it well. The one thing I am not certain on is the coil wiring because I had company over I was distracted and I forgot to note which color was which that lead to the coil. The coil has green and black wires just like a gy6 scooter the atv has orange & black wires leading to the green & black coil wires. In my experience with gy6 coils green is the voltage/power wire and the black is the ground. So I assembled it that way and I also reversed it just in case and neither way got me spark. I'm wondering since I may have reversed the wires if that could damage the coil?
This atv is a basket case indeed
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Post by GrumpyUnk on Aug 7, 2018 12:25:27 GMT -5
You should not be able to damage a coil by connecting the reverse polarity. A coil is just a transformer in a special container. The ends of both windings are grounded. The input winding has power to it, and the output winding connects to the spark plug. If both windings share a ground, then measuring the resistance between the connectors and between the connectors and the output should indicate a combined or separate resistance. Ground to coil input would be one leg, ground to the output would be the other. If you swap connections, then resistance would go from input through one winding, past the other connector, and then to the output end of the other winding. It would have both coils winding resistance. So, after that thought process, I guess it DOES matter, especially if one connector goes to ground, the other to coil input voltage. Check with a VOM, and the 'larger' resistance, connector to output, should be the coil low-side input, the other connector, the common ground. I think. tom
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Post by micscience on Apr 11, 2019 22:16:47 GMT -5
I just wanted to finish this thread. I did get the ATV started my issue was the wires were misplaced by whoever previously owned it. They had the wrong wires going to the coil and the kill switch. It was a really big mess. Now she runs but I have still yet to put back the other wires in the right place such as the lighting wires and the rest that go into the starting switch.
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Post by GrumpyUnk on Apr 12, 2019 9:27:28 GMT -5
As suggesed by Frank, I think, I'd suggest getting a simplified diagram/schematic, from the technical area of the forum, printing it out(the 2017 Taotao Thunder is a good one to fiddle with), marking the wires that conform, and adding notes, pictures, arrows and diagrams(just like the Arlo Guthrie song of long ago) to document what you did. It will pay big dividends in the future if you get called in to Dx what's wrong now... Ask me. I have fixed so much stuff it comes back and I wonder what I did, why, and which color was used here, and why NOT used there... Just a thought. tom
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Post by micscience on Apr 12, 2019 10:40:51 GMT -5
Hey Grump, that is a good idea. I did print out a simplified diagram from a google search however it only has the starting system with no lighting I will definitely check that out thanks.
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