Bad throttle sensor maybe???

[cgtech]

Time for motor check.

[Bballtwenty2]

Originally Posted by cgtech

Time for motor check.

Gotcha. What makes you think that. Any easy way to check it?


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[cgtech]

The controller is showing signs of life, signs that are typically absent when controller is bad. But the motor not trying to stop the cart is a big red flag (with all other signs of controller life being good).

Checking for continuity between both A terminals, should be below 2 ohm.
Check F terminals, should also be low. Check between any A terminal & any F terminals, Should be high resistance.

I actually prefer the "remove & inspect" for 100% conclusive evidence. Seeing with your own eyes is even better than measuring it. And, if there is any chance of rebuild, you can see.

[Bballtwenty2]

Originally Posted by cgtech

The controller is showing signs of life, signs that are typically absent when controller is bad. But the motor not trying to stop the cart is a big red flag (with all other signs of controller life being good).

Thanks for the response. Would you mind telling me what are the signs of the controller life?


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[cgtech]

Reverse buzzer works, controller activates solenoid when vehicle pressed. Also, I added to previous response.

[Bballtwenty2]

Originally Posted by cgtech

Reverse buzzer works, controller activates solenoid when vehicle pressed. Also, I added to previous response.

Update.
Went and checked on it today.
If I start to roll it while pushing the pedal the cart starts to go, but it’s like jerking/bumping while moving


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[mcmillanjl]

Originally Posted by Bballtwenty2

Update.
Went and checked on it today.
If I start to roll it while pushing the pedal the cart starts to go, but it’s like jerking/bumping while moving


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bball - intermittent motor function can be a sign of bad brushing in motor. There have been some recent posts showing motor disassembly and bad bushings. Might be worth a look.

[Orangie]

Originally Posted by mcmillanjl

bball - intermittent motor function can be a sign of bad brushing in motor. There have been some recent posts showing motor disassembly and bad bushings. Might be worth a look.

I have similar issues, batteries passed their load test and replaced the speed sensor. Now I’m going to the brushes as well, any update on the final fix?


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[mway]

Did you find your problem? I’m having similar issues. Don’t want to buy expensive throttle sensor at 175$ and that not be it. Someone on here has to know how to check that switch... help!

[cgtech]

Yes, probe the black wire and the (blue?) wire. Not red. Signal should be about 0.47v at rest, 4.5v at full throttle, with a smooth transition as the pedal is pressed.