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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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Thread Tools | Display Modes |
06-14-2014, 03:35 PM | #11 |
Not Yet Wild
Join Date: Jun 2014
Posts: 13
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Re: Marathon won't run
Ok checked all points highlighted in johnnies high curcit loop that was in red every reading was the exact same as the low solenoid voltage 30 hmmm what next do I need to change solenoid ? Thanks
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06-14-2014, 04:21 PM | #12 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Marathon won't run
Quote:
When the solenoid is energized, the voltage on both large terminal should the same, or within a few Milli-volts. However, when the solenoid is de-energized, and there is a pre-charge resistor installed, the controller side terminal will be lower than the battery side terminal. A drop of 7.3V may be normal. |
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06-14-2014, 04:29 PM | #13 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Marathon won't run
Quote:
If the solenoid is closed (Energized), voltage between B- and M- and from B- to every other point highlighted in red, should be the same as the pack voltage. If your are getting 37.4V at the battery pack and only 30.0V on the solenoid's controller side terminal when the solenoid is energized, than the solenoid is bad. |
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06-14-2014, 05:08 PM | #14 |
Not Yet Wild
Join Date: Jun 2014
Posts: 13
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Re: Marathon won't run
Ok when I push the petal just enough to energize the solenoid volts stay the same 27.3 at half throttle it'd drops to 16 and stays ther all the way to wide open throttle
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06-14-2014, 05:25 PM | #15 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Marathon won't run
Quote:
That pesky little resistor cause all sorts of confusion at times, so remove the resistor from the solenoid. With the resistor removed, measure the voltage (Negative test lead on B-) on the solenoid's controller side large terminal. It should be zero before the solenoid clicks and the same as the battery pack voltage after it clicks. |
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06-14-2014, 05:57 PM | #16 |
Not Yet Wild
Join Date: Jun 2014
Posts: 13
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Re: Marathon won't run
Ok resistor removed big terminal 37.4 after click 37.4 small terminal 1.6 before 1.6 after click johnnies I really appreciate you working wit me thanks
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06-15-2014, 07:38 AM | #17 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Marathon won't run
Quote:
There are two large terminals. One large terminal has a cable that connects directly to the battery and will read battery pack voltage 100% of the time. The other large terminal has a cable that connects to the controller's B+ terminal and should be Zero before solenoid clicks and battery pack voltage after it clicks. The solenoid is an electromechanical switch. What it does is connect and disconnect the battery pack to the controller. |
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06-15-2014, 08:13 AM | #18 |
Not Yet Wild
Join Date: Jun 2014
Posts: 13
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Re: Marathon won't run
Ok sounds like my b- side of solenoid is not working I have got another solenoid I am going to stick it on and try it will advise later thanks again. Happy Fathers Day to everyone!!!!!
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06-15-2014, 08:15 AM | #19 |
Not Yet Wild
Join Date: Jun 2014
Posts: 13
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Re: Marathon won't run
Sorry I ment b+ side not b- side
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06-15-2014, 10:15 AM | #20 |
Not Yet Wild
Join Date: Jun 2014
Posts: 13
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Re: Marathon won't run
Put new solenoid on got 37.8 at battery terminal of solenoid before click after click got 37.8. On b+ terminal of solenoid got 31.6 before click got 37.8 after click. At b+ terminal of controller got 31.6 before click. After click got 37.8. Cart still don't run so what's next. Thanks
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