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Today on our 2011 GMC Sierra, we'll be test fitting the Thule Pulse large rooftop
cargo box, part number TH614. We'll begin our test fit by placing the cargo box onto
the vehicle's load bars. We'll unlock the box and open the lid, exposing the four
slots in the bottom of the box. We'll take our clamps, slide them down through the
slots on top of the bar. We'll then turn each *** to bring the clamp up around tightly
against each bar. Once all four clamps are tightened down and secured, that will complete
today's test fit of the Thule Pulse large rooftop cargo box, part number TH614, on our
2011 GMC Sierra..