94 medalist SLOW!

gotmud10 · 07-14-2013, 10:59 AM

Replaced its with a used one I had and adjusted the plunger even closer to its. Got it to 9.3v between b- and m- also got to a top speed of 17mph. I'm gonna bypass the plastic connector next.

JohnnieB · 07-14-2013, 11:37 AM

That explains why nothing was getting hot. The controller's output is maxing out at about a 67% duty cycle.

Since the same happens with two different controllers, changing the ITS might fix it.

Hopefully it does......

gotmud10 · 07-14-2013, 11:45 AM

Changeling IT'S and adjusting it with 7/32 drill bit dropped us to 8.5v between m- and b-. I'm gonna go to the gym then start rewiring any small wires that look iffy coming from the pedal box. Crossing my fingers we can drop it some more. Reached 18mph on a little downhill today and now spins tires in reverse in grass. If I can get 20 and alright torque by the end of the day, the body can finally go back on. It's been a long ridiculous process with this cart. We have literally upgraded/swapped the f&r, controller, wires, batts, motor, rear end bearings, ITS, pedal box Microswitch, and solenoid. At least it should be reliable haha

JohnnieB · 07-14-2013, 11:48 AM

Quote:

Originally Posted by gotmud10

Replaced its with a used one I had and adjusted the plunger even closer to its. Got it to 9.3v between b- and m- also got to a top speed of 17mph. I'm gonna bypass the plastic connector next.

Sounds like your are on the right track and getting closer.

If the plunger protrudes slightly from the ITS sensor coil when pedal is on floor, that is all the ITS will put out.

Also, make sure someone didn't add any brass or copper in or around the ITS coil. That will reduce the inductive reactance, lowering the ITS output. (Brass has the opposite effect that iron has)

gotmud10 · 07-14-2013, 04:49 PM

Well johnnieb I can't figure it out. Replaced ITS AND plunger today also eliminated the connector as it looked like it had seen better days. Can't get anything less than 9v between b- and m-. I'm out of things to try. Can't figure out how to check voltage on those black and white pins as you have to have them connected to have it run. Should I open the wire sleeve and connect that way or is there a better way to approach this?

Knothead · 07-14-2013, 05:37 PM

The connector should have exposed areas of the pins on one side. See the attached photo:

kantuckian · 08-03-2013, 08:22 PM

Good Info

07-14-2013, 10:59 AM	#11
gotmud10 Getting Wild Join Date: Aug 2012 Posts: 100	Re: 94 medalist SLOW! Replaced its with a used one I had and adjusted the plunger even closer to its. Got it to 9.3v between b- and m- also got to a top speed of 17mph. I'm gonna bypass the plastic connector next.
gotmud10 Getting Wild Join Date: Aug 2012 Posts: 100

07-14-2013, 11:37 AM	#12
JohnnieB Techno-Nerd Join Date: Jun 2011 Location: West Virginia Posts: 19,654	Re: 94 medalist SLOW! That explains why nothing was getting hot. The controller's output is maxing out at about a 67% duty cycle. Since the same happens with two different controllers, changing the ITS might fix it. Hopefully it does......

07-14-2013, 11:45 AM	#13
gotmud10 Getting Wild Join Date: Aug 2012 Posts: 100	Re: 94 medalist SLOW! Changeling IT'S and adjusting it with 7/32 drill bit dropped us to 8.5v between m- and b-. I'm gonna go to the gym then start rewiring any small wires that look iffy coming from the pedal box. Crossing my fingers we can drop it some more. Reached 18mph on a little downhill today and now spins tires in reverse in grass. If I can get 20 and alright torque by the end of the day, the body can finally go back on. It's been a long ridiculous process with this cart. We have literally upgraded/swapped the f&r, controller, wires, batts, motor, rear end bearings, ITS, pedal box Microswitch, and solenoid. At least it should be reliable haha
gotmud10 Getting Wild Join Date: Aug 2012 Posts: 100

07-14-2013, 04:49 PM	#15
gotmud10 Getting Wild Join Date: Aug 2012 Posts: 100	Re: 94 medalist SLOW! Well johnnieb I can't figure it out. Replaced ITS AND plunger today also eliminated the connector as it looked like it had seen better days. Can't get anything less than 9v between b- and m-. I'm out of things to try. Can't figure out how to check voltage on those black and white pins as you have to have them connected to have it run. Should I open the wire sleeve and connect that way or is there a better way to approach this?
gotmud10 Getting Wild Join Date: Aug 2012 Posts: 100

08-03-2013, 08:22 PM	#17
kantuckian Gone Wild Join Date: Dec 2010 Posts: 635	Re: 94 medalist SLOW! Good Info
kantuckian Gone Wild Join Date: Dec 2010 Posts: 635

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