Combo/Multi-Switch Grounding Point - Where is it?

Look like your combo switch grounds at G300 which is behind the left cowl panel. Your FSM is available in the TJ Resources forum, here are screen shots from it:

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Also, on the right side of the steering column, I see this unplugged plug. Any idea what it's for?

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Old question, but I stumbled in here to figure out my cluster illumination issues. That plug is for the optional skim, in case anyone else stumbles here someday asking the same thing.