This Trailblazer is a local trade We replaced all spark plugs and wires.LOCAL TRADE POWER WINDOWS ALL WHEEL DRIVE POWER LOCKS 6.0 V8 CLEAN AUTOCHECK ACCIDENT FREE VISIT DANDEERYMOTORS.COM Serving the Cedar Valley Area for 3 Generations as one of MIDWESTS LARGEST DEALER GROUPS including Cedar Rapids, Dubuque, Iowa City, Des Moines, West Des Moines, Davenport, Clinton, Urbandale, Marion, Marshalltown, Mason City, Fort Dodge, Ankeny, Waterloo, Ames, Burlington, Quad Cities, Waukee, Johnston Muscatine.Awards 2008 KBB.com Brand Image Awards