Investigation PE89116: 1988–1989 Chevrolet C Series

Status

CLOSED

Opened

Apr 12, 1989

Closed

Jul 5, 1989

Model years

1988–1989

Subject

Brake lamp switch

Component: Service brakes, hydraulic

Summary

Summary:truck service bulletin outlined procedures for adjustment ofstop lamp switch.other manufacturers have taken more formal action tocorrect misadjusted/failed brake lamp switches.===

An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.