simicrintz, The only throttle types that will work without the negative return (Pin #14) are a 0-5v hall throttle or an ITS, neither one ever existed in a Club Car.
I tried to read the directions on that harness link you posted but it is so poorly written, full of grammatical errors and badly formatted as to be almost useless.
It also has many errors, for example this fragment about the dash negative accessory:
Quote:
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. Black wire (U) is a negative feed to the dash should you need to connect an accessory of some sort. Tape it up or con-nect ot M- on ther controller.
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It looks like you don't have any extra wires on M-, so that is good.
That being said that harness should work for your application.
You going to have to contact B.U. or where you got the controller and adapter and find out two things:
In what cart was the 16-pin to 24-pin adapter supposed to be used.
How is the throttle on the 1268 configured.
I think What they sold you is an EzGo TXT to Curtis 1268 adapter.