91 Marathon Won't move again

yamaha_mamma · 06-18-2018, 08:41 PM

so we finally got the cart moving! However not all the lights worked. So my hubby bought LED's. I ran separate wiring/switch to a 12v in the "trunk". I traced all the old lighting wiring & removed it. But now the cart won't move again!

We had it charging all day. I tested each battery & they're reading slightly over 6V. For safety reasons, I disconnected the positive wire while messing with the wiring. The meter shows full charge, but as soon as I press the accelerator, it drops.

I really need to get this running by Wed! Any feedback is appreciated.

Mooncarter · 06-18-2018, 08:47 PM

Make sure you re-tightened the positive wire.

yamaha_mamma · 06-18-2018, 09:20 PM

I've double checked all the wiring. At first the negative wire for the voltage meter was on the positive post, but I switched that. Now it shows fully charged.

Just not sure why the voltage drops as soon as the pedal is hit. I should add that I can hear the solenoid clicking when the pedal is pushed.

My husband isn't good with wiring, but I am. Only problem is he tries to help but me seeing the wiring before removing it helps!

Mooncarter · 06-19-2018, 12:10 PM

"..Finally got the cart moving!"

What is the history on this?

yamaha_mamma · 06-19-2018, 01:09 PM

We bought the cart last year. We were told it worked the previous year, but had to play with the f/r knob. So I started with replacing the batteries, nothing. So I checked all the wiring. Found both wires from POT to F/R switch broke off. We replaced the F/R switch, solenoid & some batteries cables. Once we did that & fixed the wiring from the POT, it ran.

Over the weekend, I wired LED's to a 12v battery so that we could have lights this weekend. Once done, we were going to drive it around to see how the lights worked. Well, it moved for like a second. Batteries are charged at over 6v each. As soon as I hit the pedal, the meter drops to the red. I can hear the solenoid clicking, but no movement.

yamaha_mamma · 06-19-2018, 04:21 PM

UPDATE!!!! I got it to move again. Looks like the controller is crapping out on us. If you bang on it a few times, it will run. Until you stop!

Is there a way to "clean" the controller? I already cleaned all the connectors.

Mooncarter · 06-19-2018, 05:27 PM

If you are sure the connections are clean, snug, and good, I don't know what to say about banging on the controller.

yamaha_mamma · 06-19-2018, 05:35 PM

I'm wondering if it's not the pedal microswitch. It just randomly moves when it wants to. That's the cheapest part to replace!

Mooncarter · 06-19-2018, 05:46 PM

Banging on the controller will not affect the microswitch.

noxin · 06-19-2018, 08:47 PM

I had a microswitch issue on my 2000 TXT when I first got it that was very sporadic -- my reverse would only work every second or third time I tried it. I was actually able to take it out and clean all of the connectors with a wire brush and it has been good for over a year now.

06-18-2018, 08:41 PM	#1
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22	91 Marathon Won't move again so we finally got the cart moving! However not all the lights worked. So my hubby bought LED's. I ran separate wiring/switch to a 12v in the "trunk". I traced all the old lighting wiring & removed it. But now the cart won't move again! We had it charging all day. I tested each battery & they're reading slightly over 6V. For safety reasons, I disconnected the positive wire while messing with the wiring. The meter shows full charge, but as soon as I press the accelerator, it drops. I really need to get this running by Wed! Any feedback is appreciated.
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22

06-18-2018, 08:47 PM	#2
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: 91 Marathon Won't move again Make sure you re-tightened the positive wire.

06-18-2018, 09:20 PM	#3
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22	Re: 91 Marathon Won't move again I've double checked all the wiring. At first the negative wire for the voltage meter was on the positive post, but I switched that. Now it shows fully charged. Just not sure why the voltage drops as soon as the pedal is hit. I should add that I can hear the solenoid clicking when the pedal is pushed. My husband isn't good with wiring, but I am. Only problem is he tries to help but me seeing the wiring before removing it helps!
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22

06-19-2018, 12:10 PM	#4
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: 91 Marathon Won't move again "..Finally got the cart moving!" What is the history on this?

06-19-2018, 01:09 PM	#5
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22	Re: 91 Marathon Won't move again We bought the cart last year. We were told it worked the previous year, but had to play with the f/r knob. So I started with replacing the batteries, nothing. So I checked all the wiring. Found both wires from POT to F/R switch broke off. We replaced the F/R switch, solenoid & some batteries cables. Once we did that & fixed the wiring from the POT, it ran. Over the weekend, I wired LED's to a 12v battery so that we could have lights this weekend. Once done, we were going to drive it around to see how the lights worked. Well, it moved for like a second. Batteries are charged at over 6v each. As soon as I hit the pedal, the meter drops to the red. I can hear the solenoid clicking, but no movement.
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22

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06-19-2018, 04:21 PM	#6
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22	Re: 91 Marathon Won't move again UPDATE!!!! I got it to move again. Looks like the controller is crapping out on us. If you bang on it a few times, it will run. Until you stop! Is there a way to "clean" the controller? I already cleaned all the connectors.
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22

06-19-2018, 05:27 PM	#7
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: 91 Marathon Won't move again If you are sure the connections are clean, snug, and good, I don't know what to say about banging on the controller.

06-19-2018, 05:35 PM	#8
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22	Re: 91 Marathon Won't move again I'm wondering if it's not the pedal microswitch. It just randomly moves when it wants to. That's the cheapest part to replace!
yamaha_mamma Not Yet Wild Join Date: Jun 2017 Posts: 22

06-19-2018, 05:46 PM	#9
Mooncarter Gone Insane Join Date: Oct 2016 Location: Richmond, VA Posts: 14,214	Re: 91 Marathon Won't move again Banging on the controller will not affect the microswitch.

06-19-2018, 08:47 PM	#10
noxin Getting Wild Join Date: May 2017 Posts: 85	Re: 91 Marathon Won't move again I had a microswitch issue on my 2000 TXT when I first got it that was very sporadic -- my reverse would only work every second or third time I tried it. I was actually able to take it out and clean all of the connectors with a wire brush and it has been good for over a year now.
noxin Getting Wild Join Date: May 2017 Posts: 85

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