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12-26-2019, 09:23 AM
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#1 |
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Not Yet Wild
Join Date: Aug 2019
Posts: 2
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No spark
I have a 77 Harley Golf cart. I have points arching but no spark at plug, when grounded to head. Every now and then I will hear a pop with plug screwed in. Pull plug and ground to head and no spark. Tried several coil to plug wires no change. Holding the wire while grounded will ZAP me but will not transfer through plug. Compression is 115, lbs, tried fuel' starter fluid strait in cylinder will pop some but still wont run. Timing mark is at factory setting point gap .020 and plug gap at .025 have varied up to .040 Have changed to fresh fuel mixture and no change. Pulled muffler same. I am sure I'm missing something stupid simple but looking for advice. Thanks in advance for any help
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12-26-2019, 10:40 AM
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#2 |
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Gone Wild
Join Date: Jun 2011
Location: Northern Indiana
Posts: 2,827
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Re: No spark
You can feel that "zap" without there being enough voltage to fire a spark plug. I would check the ignition coil and the ballast resistor.
http://www.buggiesgonewild.com/gas-h...resistors.html |
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12-26-2019, 05:34 PM
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#3 |
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Not Yet Wild
Join Date: Aug 2019
Posts: 2
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Re: No spark
Coil was it, tested good but no internal resistor. Put new one on up and running thanks
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12-27-2019, 07:47 AM
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#4 |
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Gone Wild
Join Date: Jun 2011
Location: Northern Indiana
Posts: 2,827
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Re: No spark
Glad you got it going. Sometimes it is those small, seemingly insignificant things that will drive you nuts.
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05-17-2020, 11:21 PM
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#5 |
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Not Yet Wild
Join Date: May 2020
Posts: 8
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Re: No spark
can i see what the resisitor looks like, im feeling i might have a similar issue.
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05-18-2020, 08:25 AM
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#6 |
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Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,945
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Re: No spark
Do a Google search on "ballast resistor" and you will get a tons of pics of what they look like.
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05-18-2020, 07:57 PM
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#7 |
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Not Yet Wild
Join Date: May 2020
Posts: 8
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Re: No spark
so your saying my coil should have that ballast resisitor cuz it does not.
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05-19-2020, 06:16 AM
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#8 |
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Gone Wild
Join Date: Jun 2011
Location: Northern Indiana
Posts: 2,827
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Re: No spark
Yes, this is a common type.
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05-19-2020, 07:26 AM
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#9 | |
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Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,945
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Re: No spark
Quote:
If your coil has no resistance that you will likely have to install an external ballast resistor. |
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