2005 Chevrolet Trailblazer Q&A

2005 Chevrolet Trailblazer Question: how do i replace fan speed control resistor in a 2005 chevy trailblazer

No air flow from front vents plenty of air flow in rear vents.Thanks Jeff -
Answer 1
you could have a blend door problem -
Answer 2
does the frt blower have all speeds,if so you have a blend door issue most likely -