2005 Chevrolet Trailblazer Q&A

2005 Chevrolet Trailblazer Question: Is there an electric engine cooling fan for a 4.2L engine on a 2005 Trailblazer

The owners manual shows a cooling fan relay (45) in the fuse/ relay box under the hood. The same type , & part # relay operates the headlights high / low headlights circuit (relay #46). -
Answer 1
yes. it is controlled by pcm even though it is driven by a belt. Roy -