You should, it looks something like this with a cable coming out leading to the back of your tv. Push the little button and a light should go on indicating the booster is on.
Some of those plates will have two F-connectors instead of the power receptacle, one labeled satellite and the other labeled tv, but it still has the little button.
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Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!