kbm We have a Trailblazer with the 4.2 inline six cylinder. I'm really impressed with the engine and ride.
As a tow vehicle, it's very easy to select the neutral position on the 4 wheel
AWD system. The wiring for the taillights can easily be slide inside the frame rail and hooked up to the rear lights.
has base plates with online descriptions of the installation. I bought here before I knew about the good people below.
(one of IRV2's sponsors -Thank you RV Upgrades)
has all the towing stuff you'll need including base plate
Probably more information than you wanted but maybe it helps someone else.