Ezgo DCS ITS throttle 36 volt cart wants to start in fast mode instead of gradually speeding up.

B

bubbafrank

Member
Cart wants to start off in fast mode instead of gradually speeding up.
If I unhook ITS it doesn't go.
I installed a new ITS and it works the same ?
 
I have a 1999 ezgo 950e shuttle and is doing the same thing.. I did the google search with no real results.. Google didn't say anything useful and that's why we use a forum like this to ask people for knowledge, not "go ask google"...
 
CarlB348 said:
I have a 1999 ezgo 950e shuttle and is doing the same thing.. I did the google search with no real results.. Google didn't say anything useful and that's why we use a forum like this to ask people for knowledge, not "go ask google"...
Click to expand...

i also googled for your cart and did not find any thing free, shuttles and other unusual carts are much more difficult than plain jane carts
however
tell us more about your problem
when did it start ?

did you change Anything before it started ?
if you did why did you do it ?

we cant look at the cart, and we need to know as much about the situation as possible
detailed pics are also useful
more info = more help ...... and be honest if you know you made a mistake
 
There's a 4 conductor shielded cable that goes from the pedal box. Black and white go to the ITS and the 6 pin connector on the Curtis controller. Red and green go to the solenoid circuit.
I sperated the wires at the control (didn't help)thinking maybe the induction voltage might be picking up stray signal from other means. Cart works fine accept for the first jolt of takeoff.
Nothing was changed. Other then it setting through the summer months.
No flooding here. We are high and dry in Central Florida.
 
bubbafrank said:
There's a 4 conductor shielded cable that goes from the pedal box. Black and white go to the ITS and the 6 pin connector on the Curtis controller. Red and green go to the solenoid circuit.
I sperated the wires at the control (didn't help)thinking maybe the induction voltage might be picking up stray signal from other means. Cart works fine accept for the first jolt of takeoff.
Nothing was changed. Other then it setting through the summer months.
No flooding here. We are high and dry in Central Florida.
Click to expand...
setting through the summer months suggests a bad connection
get some plastic safe electrical spray cleaner
unplug and soak both halves of all connections, including to the controller ... wait a few minutes
wipe off the excess
plug and replug each connector several times

be sure the ITS is properly adjusted
how to is in the service manual

DC does not cause induction in parallel wires
only AC does that
 
I am doing the connections as you suggested.
If it were a lack of signal wouldn't you think it would work opposite of my carts condition.
If I disconnect either of the black or white wires on the ITS it doesn't move.
 
bubbafrank said:
I am doing the connections as you suggested.
If it were a lack of signal wouldn't you think it would work opposite of my carts condition.
If I disconnect either of the black or white wires on the ITS it doesn't move.
Click to expand...
disconnecting the ITS is causing a lack of signal

you most likely Dont have a Lack of signal
you most likely have a deteriorated signal

you have to understand how the ITS works

it receives voltage from the controller
it modifies that voltage according to it's position from the pedal
it sends the modified voltage back to the controller

any resistance (corrosion, bad connection, etc.) also modifies that signal

the controller gets what it gets from the ITS Circuit (the whole thing , wires, connections and all) and acts accordingly

IF .... all that is wrong with it is sitting
this will fix it
but you have to eliminate this possibility before we move further
 
presumably this is throttle UP ?
if so , all looks good
what about the connector outside the box ?
what about the connector on the controller ?
 
The shielded wire goes directly into the box at the bottom of the picture, then wire ends plug to the inductor module(all have been scraped and cleaned and plug on tightly. The other end goes directly to the controller pin connector and again I scraped and cleaned with electric spray cleaner. I checked to make sure connector plugs on tight to the controller. Picture follows.
 
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