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Gas Yamaha Gas Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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08-11-2020, 02:27 PM | #1 |
Not Yet Wild
Join Date: Aug 2020
Location: North Dakota
Posts: 8
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92 G9 No crank or click when stepping on pedal
I'm working on my Dad's 92 G9 gas and what happened was he was driving it, stopped and turned it off, came back 5 min. later, and turned it on and it wouldn't crank.
That's where I started diagnosing it. I started by ohming out the solenoid and that tests good. On the bench I get 21 ohms across the 2 small bolts and when I apply power and ground across the small pins I get continuity across the 2 big bolts and it clicks. I can even use wires direct from the battery to turn the starter/gen over, but nothing through the system works. The battery tests good and I get 12v coming from the battery to the solenoid but not on the other side (big bolts) when you step on the pedal. I thought maybe it was the key switch, but I checked that and there's 12v going in on red and 12v coming out on brown when the switch is on. Is there a proper way to test the stop switch and if so are there ohm or voltage specs for it? I'm leaning towards a stop switch being bad, but really would like to test it before shelling out the $80 for a new one. I know I need to rewire some of the cart as there is many breaks in the red/white wire to the stop switch. I'm testing for continuity on the other wires too. I'm not sure where to go from here. Would the brushes on the starter being bad cause the solenoid to not engage? I'm a noob at these carts so any help will be great. Also if you respond asking questions where I'd need to be by the cart to answer it may take me a moment since the carts 50 miles away at the lake. |
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08-11-2020, 03:53 PM | #2 |
Gone Wild
Join Date: Nov 2015
Posts: 460
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Re: 92 G9 No crank or click when stepping on pedal
Do you have a good ground on the solenoid small terminal?
I had a similar issue once, ran a temporary ground and it fired right up. |
08-11-2020, 06:01 PM | #3 |
Not Yet Wild
Join Date: Aug 2020
Location: North Dakota
Posts: 8
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Re: 92 G9 No crank or click when stepping on pedal
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08-12-2020, 02:39 AM | #4 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: 92 G9 No crank or click when stepping on pedal
Heres a good one that few seem to know. If you have a original solenoid, you can press on the center of the rubber cap on it's back & "manually activate" the solenoid. Does that make it crank?
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08-12-2020, 11:21 AM | #5 | |
Not Yet Wild
Join Date: Aug 2020
Location: North Dakota
Posts: 8
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Re: 92 G9 No crank or click when stepping on pedal
Quote:
When attempting to test the stop switch the voltages are all over the place coming out of it through the r/w wire. |
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08-12-2020, 11:19 PM | #6 |
Not Yet Wild
Join Date: Aug 2020
Location: North Dakota
Posts: 8
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Re: 92 G9 No crank or click when stepping on pedal
So I had a thought today and wondered if anyone had tried this before. Since I suspect the problem is the stop switch, why can't I just wire in an on/off toggle switch or could I? If I wire in the brown wire to the 12v in side and connect the r/w wire to the 12v out side when you flip the switch the cart should start, right? Then when you flip it the other way it should shut off, I think.
Then it could stay running without pushing the pedal and when you get off just set the parking brake. That would keep the battery charge if you were collecting wood at night with the LED off-road lights on. What do you think? |
08-13-2020, 01:03 PM | #7 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: 92 G9 No crank or click when stepping on pedal
Just getting the starter to turn does not equal charging. You will actually be discharging the battery faster than if it were off, with the lights on. Charging only occurs when you are actually driving (and the rpms are elevated).
Also, I have seen loose connections at the brown wire, where it plugs into the pedal switch. |
08-14-2020, 01:37 PM | #8 |
Getting Wild
Join Date: Sep 2010
Location: Sanford, North Carolina
Posts: 88
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Re: 92 G9 No crank or click when stepping on pedal
Don't these carts have a micro switch connected to the pedal that activates the solenoid? My old ezgo had a switch under the floor board in a plastic box where the throttle cable connected. It went bad on that cart and the solenoid would not work. But I could connect power to the solenoid and it would click and turn the starter. I replaced the micro switch and never had any more issues.
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08-15-2020, 08:03 PM | #9 |
Not Yet Wild
Join Date: Aug 2020
Location: North Dakota
Posts: 8
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Re: 92 G9 No crank or click when stepping on pedal
I'm at the cart now. I have 12v going into the stop switch and when you press the gas pedal I get 12v out. I get 12v coming from the battery to the solenoid. I have put on a second ground just to be sure. I still don't get 12v out of the solenoid and when I check for voltage at the red/white wire on the solenoid I only get 0.60v on that wire. I was wondering if that should be more voltage there? Should there be 12v there to activate the solenoid? A bad voltage regulator would cause that, would it? How about a bad ignition module?
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08-18-2020, 11:21 AM | #10 |
Getting Wild
Join Date: Sep 2010
Location: Sanford, North Carolina
Posts: 88
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Re: 92 G9 No crank or click when stepping on pedal
The small wire to the solenoid has to have 12 volts to activate it. That's what I was talking about before on my ezgo. The microswitch connected to the gas pedal on it is what sends the 12 volts to the small wire on the solenoid. There should be a switch somewhere that works off of the gas pedal or the cable from the pedal to send that voltage to the solenoid.
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