another fast in reverse thing

Gallachera89 · 05-08-2018, 05:37 PM

Well then I'm gonna hold off on the swap thing now lol cause forward is forward and reverse is reverse .. It's just a dog off the line going forward

joesam · 05-08-2018, 05:39 PM

Poor guy - now I've got him zipping forward when the lever is in reverse (I think) and backing up slowly in "F". That's what I get for not reading closely. Let's let Sergio review and make a (more appropriate) suggestion.

Sergio · 05-08-2018, 05:47 PM

It would help knowing the actual Controller model # You have in that cart.

Also, can you post a picture of the back of the FNR switch showing the micro-switches?

In the OEM setup, the micro-switch #3 (closest to the batteries) controls the slow speed by introducing a resistor in series with the throttle wiring.

We may be able to spot an issue with that wiring by looking at the picture.

Gallachera89 · 05-08-2018, 05:54 PM

Old pictures but wired the same .. I can get new ones later I'm at dinner now

Gallachera89 · 05-08-2018, 08:58 PM

Alright so found out the controller is a logisystems buggies 700amp 48v controller.. and beres a picture of the new fr switch with the same wiring

Sergio · 05-08-2018, 09:39 PM

I cannot see anything in those pictures that would explain how the cart can go faster on Reverse.

You can definitely spin the tires easier on reverse but the speed should be the same since there is nothing in the FNR that can activate a different speed.

You may want to test the throttle signal:

Remove the quick connectors from Controller terminals #2 and #3.
Set your meter to 20kΩ and place the probes on the two wires that you disconnected.
Measure the resistance from Pedal Up to Pedal Down.

Please post your results, the meter should be close to 0Ω at Pedal Down.

Gallachera89 · 05-08-2018, 09:51 PM

Top 2 or bottom 2 .. I apologize I dont know which one will be 2 and 3

Gallachera89 · 05-08-2018, 09:53 PM

And I presume key on so It has power ? Will i need the wheels off the ground or will it not move ?
Sorry for so many questions lol

Sergio · 05-08-2018, 09:53 PM

The black and the white wires (Terminal #1 is near the edge of the Controller).

Key OFF and keep it OFF.

Put FNR in both Forward and Reverse to make sure the signal reading is the same.

Gallachera89 · 05-08-2018, 10:03 PM

Forward and reverse are the same .. foot on the floor it was at 0... foot all the way up it would not read until pressed a little bit and then it was at 7.46ish

05-08-2018, 05:37 PM	#11
Gallachera89 Gone Wild Join Date: May 2018 Location: Florida Posts: 501	Re: another fast in reverse thing Well then I'm gonna hold off on the swap thing now lol cause forward is forward and reverse is reverse .. It's just a dog off the line going forward

05-08-2018, 05:39 PM	#12
joesam Gone Wild Join Date: Sep 2012 Location: Chestermere, Alberta - Canada Posts: 1,146	Re: another fast in reverse thing Poor guy - now I've got him zipping forward when the lever is in reverse (I think) and backing up slowly in "F". That's what I get for not reading closely. Let's let Sergio review and make a (more appropriate) suggestion.

05-08-2018, 05:47 PM	#13
Sergio Gone Wild Join Date: Sep 2012 Location: Charlotte, NC Posts: 9,329	Re: another fast in reverse thing It would help knowing the actual Controller model # You have in that cart. Also, can you post a picture of the back of the FNR switch showing the micro-switches? In the OEM setup, the micro-switch #3 (closest to the batteries) controls the slow speed by introducing a resistor in series with the throttle wiring. We may be able to spot an issue with that wiring by looking at the picture.

05-08-2018, 09:39 PM	#16
Sergio Gone Wild Join Date: Sep 2012 Location: Charlotte, NC Posts: 9,329	Re: another fast in reverse thing I cannot see anything in those pictures that would explain how the cart can go faster on Reverse. You can definitely spin the tires easier on reverse but the speed should be the same since there is nothing in the FNR that can activate a different speed. You may want to test the throttle signal: Remove the quick connectors from Controller terminals #2 and #3. Set your meter to 20kΩ and place the probes on the two wires that you disconnected. Measure the resistance from Pedal Up to Pedal Down. Please post your results, the meter should be close to 0Ω at Pedal Down.

05-08-2018, 09:53 PM	#18
Gallachera89 Gone Wild Join Date: May 2018 Location: Florida Posts: 501	Re: another fast in reverse thing And I presume key on so It has power ? Will i need the wheels off the ground or will it not move ? Sorry for so many questions lol

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05-08-2018, 09:53 PM	#19
Sergio Gone Wild Join Date: Sep 2012 Location: Charlotte, NC Posts: 9,329	Re: another fast in reverse thing The black and the white wires (Terminal #1 is near the edge of the Controller). Key OFF and keep it OFF. Put FNR in both Forward and Reverse to make sure the signal reading is the same. Last edited by Sergio; 05-08-2018 at 09:54 PM.. Reason: Answer Question.

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