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07 Yamaha G29 golf cart has a bad TPS. With a bad TPS, would the main solenoid still operate? Reverse buzzer is not working as well. Trying to determine if the controller is bad.

Posted by Glenn Smith on

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Ronald Prier

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  • 101 Answers

Should still operate solenold. You also have a stop switch in the floorboard, it will connect when pressing on pedal.

Posted on Sep 19, 2017

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5 Related Answers

Brandon Undeberg

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SOURCE: golf cart smoking

It is most likely related to the rings, but running it would unstick them very fast if they were stuck. It's possible that sitting let rust develop in the cylinder walls and there may be some grooves in them now. They could also just be really worn cylinders. They make some oil conditioners which I wouldn't recommend on a car, but might work fine on a golf cart. I can't recall the name, but it was in a silver can, maybe called engine restore... You could always try that before resorting to a rebuild.

Posted on Nov 12, 2009

Testimonial: "thanks for your advice. I will try an additive before a rebuild."

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golfcartman

  • 34 Answers

SOURCE: 1999 ezgo golf cart.need to know the whole wireing

When you removed the batteries, a certain procedure MUST be followed. Key switch off, switch to tow position and shift lever in reverse. You must wait until the beeper unit sound dies out then remove the wire from the most NEGATIVE cable. Place in Neutral before installing new batteries. There is a specific sequence to putting the batteries in an EZ-GO cart. Failure to follow this procedure will kill the controller. The Key switch must be off and the maintenance/tow switch MUST be in the tow position when connecting the batteries. Any of the above will cause the controller to fail, due to improper discharge of the PRE-Charge capacitors.

Posted on Apr 22, 2010

Anonymous

  • 21 Answers

SOURCE: Yamaha 4 stroke golf cart back fires all the

Very important... valves get out of adjustment and are easy to set. This is where I would start FOR SURE. Check out www.buggiesgonewild.com and an example of how to do it on EZ GO 295 http://www.buggiesgonewild.com/ezgo-gas-tech/1196-ezgo-295-350-engine-valve-adjustment.html

Posted on Jul 20, 2010

emissionwiz

Marvin

  • 85239 Answers

SOURCE: 1993 Yamaha golf cart Ser#

Hello
The serial number of the Golf cart does no good to ID it. I need the model number and the displacement of the engine as well as the number of cylinders and what year it was produced..

Posted on Apr 24, 2011

kel1guy2002

Kelly

  • 3740 Answers

SOURCE: I got 1997 yamaha G16

Hi and welcome to FixYa, I am Kelly.
The new carb. fuel mixture adjustment screw should be very close to the setting needed to operate the engine normally. You should not have to move the screw more than 1/8 th turn in either direction from the current ORIGINAL setting.
You mentioned the engine smokes really bad. Several things cause a smoking engine:
1. Older engine
a. Piston oil rings stuck to the piston skirt or rings worn out
b. Piston wear
c. Cylinder wear
d. Valve stem and valve guide wear
e. Valve head and valve seat wear.
f. Crankcase breather clogged
g. Overserviced engine oil.

Perform a compression test on the engine. You should have a minimum of 120 PSI pressure. The higher the pressure the better. If the cylinder compression is under 110 PSI the engine needs some serious maintenance.

I can not emphasize enough that the new carb needing any major adjustments is a symptom of other problems within the engine. Like I mentioned earlier if you have to make a fuel mixture adjust more than 1/8 th turn in any direction from the original setting something else is wrong.

IF by chance someone got over anxious and has moved the fuel mixture screw start at 1.5 turns from just barely closed. I am surprized that the new carb did not come with a plastic cap over the mixture screw.

Thanks for choosing FixYa,
Kelly

Posted on Jul 26, 2011

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1 Answer

2007 YAMAHA ELECTRI GOLF CART WHILE DRIVING IT BUCKED HARD THEN DIED BATTERY ALL HAVE GOOD POWER RELAY HAS GOOD POWER


Solenoid still operates? Should hear a click. If it clicks measure voltage on field side, should get same voltage as on battery side, this is on the large posts. If ok then you are looking at a controller, motor problem or main wiring to them.

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I don't know how to check that controller, I always check everything else then replace the controller. I start by checking to see if the solenoid is working and the reverse buzzer. If they are then I check the motor. You have to disconnect the main batteries then disconnect the four wires off the motor. Take a jumper wire and connect to A1 and F1 then to 16 volts. Another jumper wire will connect to A2 and F2 then to16 volts. One should be negative and the other positive. In this setup we are applying the same voltage to both coils of the motor at the same time. If the motor turns it's good.

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I would make sure that the solenoid IS working even if it's clicking.
Make sure that the positive voltage is on the field side when it clicks.

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Try a electronic flasher. Wire power to flasher from light switch. Then wire flasher to lights.

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Should the solenoid have increasing voltage across the main terminals, 9.0vdc to 30vdc. Master switch in tow, key switch off.


My answer is I don't know regarding golf carts but generally a designer would arrange for a solenoid to be actuated by as constant a voltage as possible, especially if it is to be engaged for long periods. That is the only method to ensure consistent operation without danger of overheating. This is assuming the available voltage energises the soleniod.
I would expect the voltage across the main terminals would also be expected to be fairly constant so a predictable consistent performance can be provided over a long life.

You really need to consult a repair manual/wiring diagram. As a complete uninitiated golf cart layman I would expect the main solenoid switch to be switching the battery voltage which would then supply the speed and direction control board. I could be worng though!

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1 Answer

After installing six new 6V batteries in series on my 1999 Yamaha G16E golf cart, full power is fine up to the selenoid. nopower to the shifter or motor after that. Upon plugging in my charger to the cart,...


Verify series battery wiring. The main positive wire which goes to the solenoid should be on a positive battery post, that will be your main positive. Then from there we go series to all the rest of the batteries until we are left with a negative battery post, that will be your main negative. Make sure your charger wires are connected to the mains.

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