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happ trackball question

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muell67:
I just recieved my happ 3" inch trackballl the translucent blue one with the usb and ps2 cable and wires for three buttons . I tested it out and it works great I just have one question and Im sure its a stupid one. There are wires coming from it that I dont know what to do with they come to a single connector is this a ground or is it for power. the site says it has lights on it I just need a 12v power source is this wire for that?

paigeoliver:
Pictures, show us some pictures. Saying it has wires coming off it is only slightly more usefull than the standard thing people tell computer tech people "my computer did something, and it had all these words on the screen".

muell67:
here is the pdf from happs site http://www.happcontrols.com/images/pdf/ins-0053.pdf
its the wires on the left.

pointdablame:
I'm pretty sure its a ground wire with that ring at the end of it.  If the wire is green, I'm sure its a ground wire.

muell67:
yeah its green. I thought this thing would be grounded through the usb

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