Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner
1-1 of 1 Results
  1. Audio and Electronics
    I have an 02 Trailblazer and about 3-4 weeks ago I installed a brand new Pioneer FH-X700BT head unit with a GMOS-1 wiring harness. Everything was in working order and sounding great. I was recently having some fluctuation in my RPMs from a cold start so I thought it would be helpful to clean...
1-1 of 1 Results