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06-30-2009, 06:43 PM | #1 |
Not Yet Wild
Join Date: Jun 2009
Posts: 8
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Yamaha G9 will not shut off!!!
I have a 1993 G9A - I just replaced the battery and starter solenoid and the cart starts right up, only problem is it won't shut off - not by releasing the accelerator or turning the key off - the only ways are to remove the battery cable or to remove one of the leads to the starter solenoid coil. If I rev the engine and remove the battery lead it shuts off so I assume the starter/generator is not generating. I can measure 10 volts across the solenoid coil while its running so its being energized. From the schematic it looks like the accelerator switch activates the ignition and regulator - the solenoid is activated by the starter field being activated - releasing the pedal removes power to the ignition & regulator releasing the solenoid - I think the starter is stuck in start mode causing power to be reflected back to the ignition causing the pedal & power switch to have no effect.
I spoke to the shop I bought the parts from & their thoughts were sticky accelerator cable or sticky starter solenoid both of which don't seem to be the case. I'm guessing the issue is the voltage regulator or a wiring short. Has anyone seen this kind of problem?? if so, what was the resolution?? Thanks in advance, Cyber-guys |
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06-30-2009, 08:43 PM | #2 | |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: Yamaha G9 will not shut off!!!
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07-01-2009, 07:08 AM | #3 |
Not Yet Wild
Join Date: Jun 2009
Posts: 8
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Re: Yamaha G9 will not shut off!!!
I have a G16 _ I wasn't sure if the regulator was the same - the schematic shows 3 wires on the 16, 4 on the 9. Looking for a replacement part it looks like everything from '91 on is the same.
The voltage at the battery is 12 but across the solenoid is 10 - if that leg of the regulator is open the drop might be across the field. Anyways, I'll give the swap a try & see what happens. Thanks |
09-13-2009, 07:54 AM | #4 |
Not Yet Wild
Join Date: Jun 2009
Posts: 8
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Re: Yamaha G9 will not shut off!!!
I found a regulator on eBay for $34 - put it in & everything works fine!!!
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09-13-2009, 08:13 AM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: Yamaha G9 will not shut off!!!
Good to hear it is running . . .
Nice work, Smallblock |
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