How important is the ground hookup on a sega race cab at rear ?

Retroman839

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Iv got issues in my r tuned ..

Using Marco multi
( which might be the issue )
At multi menu scrolls down as though service button is pressed.


If I plug Xbox pad in I can press up to stop it ..

In game options no service works
Not even on the Lindbergh ?


Unplugged Lindbergh ran it outside cab not even usb in the io slot ..

No continuous scrolling of menu .

In cab with usb to io unplugged
I have the scrolling ?

Have I got a voltage getting into my ground on this cab ?

I’m starting to suspect Só ..

My cab is in my garage and power was taken across to garage a long time ago ..

I’m not sure I have a good ground going on here 🧐

First I had down on shifter stuck down

Now I have service acting as continually pressed ..

Also if I reset Lindbergh I had
A select normally test button
Automatically select a game ..

Só lookalike I have a short in my io ?
Possibly coming in from a dodgy ground somewhere ..

I guess my options are to test grounds with a multi meter ..
 
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