04Blazintrails
10-10-2008, 10:53 PM
Hello I have an 04 trailblazer when i start it up the engine idles higher than normal. The idle starts to go down then the lights dim and volt meter drops to 12ish the truck then idles higher and the volt meter jumps to 15ish and the lights get brighter. This happens about three times with in about 2min then its good to go. Any help i would be very great full .