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How do you change from 2 WD to 4 WD when the switch is not working in a 2002 Chevy Trailblazer?
Wiki User
∙ 17y ago
You don't. The system relies on an electric switch that must function properly in order to engage 4WD (and return to 2WD when desired). First, check the fuses. It could be as simple as that.
Wiki User
∙ 17y ago
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