guys just when im out ripping and slinding side ways on ice and crap and go to lock up the back brakes they dont unlock that fast and like the motor revs down pretty fast is this normal??? and i typed the post wrong the last time my one frined said yea its the ebs i was like hmmm i never knew that and was wondering if i have anything the brakes down the engines power when i use teh back brake

 

trailblazers have ebs?