cart intermittant switch problem

mike777

just today had my cart act up first time since the build, it seems all connections are tight, I have the hvy duty switchng contactors from Scotty, (you can read in my sig all the heavy duty everthing this cart has), any way when switching to forward ,intermittanly it will just click and not move. if I switch to reverse, sometimes it will go in reverse like normal, sometimes not, and sometimes the opposite. if I switch it back and forth a couple times it will eventually go,might be my imagination but it seems when it kicks in its like full power, but that might just me pressing the pedal down further than I normally would because of the acting up, after a good little ride with a few moments of acting up along the way, when I checked, nothing was hot, except the motor, which by the way is about the only thing that hasnt been upgraded, stock 07 series motor.
any ideas, things to check, tests etc?? thanks guys

BGW

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mgray70

I would check the forward micro switch. It controls the activation circuit in both forward and reverse.

rib33024

Tighten the nut in the middle of the Forward / reverse switch, and check the micro switches on the F/R switch

mike777

there is no nut to tighten or micro switches, I have reverse contactors, they replace the f/r micro switch
but thanks anyhow

yurtle

Does the reversing contactor and solenoid always click? If not, you might try checking the throttle MS. Could also be the 4 conductor Molex connector from the throttle box. Those are the ITS and MS. If any of the four wires is bad, it will either not do anything, or it will activate the reversing contactor and solenoid, but not tell the controller where the gas pedal is.

mike777

yes always clicks

Sir Nuke

Mike....have you contacted Scotty yet about this yet?

mike777

no. figured he'd chime in when he sees it

scottyb

I think Yurtle is on the right track. Clean up the molex connector with electrical contact cleaner. Can you test and see what the controller LED light flashes when the cart won't go?

mike777

yes i'll try looking for lights, it did it again this morning,this time i didnt switch back and forth i just stepped on pedal for the loud click then off and repeat till it went....... took 3-4 attempts