GM Service Manual Online
For 1990-2009 cars only

Condition

Causes

The turn signal does not indicate lane change.

    â€¢ A broken lane change pressure pad or spring hanger
    â€¢ A broken lane change spring
    â€¢ A missing lane change spring
    â€¢ A mispositioned lane change spring
    â€¢ A jammed base or wires