If your receiver hasn't been connected for a while you may need to contact DISH and have them send a signal to the receiver to activate it. You can contact them by telephone or chat and it o ly takes a few minutes to activate the receiver.
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2009 GMC 25000HD Short Bed 6.0 Gas Engine Crew Cab SLT 4x4
2008 Bigfoot 15C9.5FS
Torklift Talons, Fastguns, Stableload Quick Disconnects, Superhitch & SuperTruss