2006 Hummer H3 Owner's Manual - Page 266
2006 Hummer H3 Manual
Page 266 highlights
Trailer Recommendations You must subtract your hitch loads from the Cargo Weight Rating (CWR). CWR is the maximum weight of the load your vehicle can carry. It doesn't include the weight of the people inside, but you can figure about 150 lbs. (68 kg) for each seat. The total cargo load must not be more than your vehicles CWR. Weigh your vehicle with your trailer attached, so that you won't go over the GVWR or GAWR. If you are using a weight-distributing hitch, weigh the vehicle without the spring bars in place. You'll get the best performance if you spread out the weight of your load the right way, and if you choose the correct hitch and trailer brakes. For more information see Towing a Trailer on page 4-59. Connect the adapter with the tab pointing up. The flip cap on the vehicle's seven-wire harness will lock onto the tab (see arrow in the previous graphic) and help hold the adapter in place. Plug the four-way pin connector onto the adapter. 4-70
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