Originally Posted by
ZERACER
CENTER HIGH MOUNTED STOP LAMP
DESCRIPTION
The center high mounted stop lamp (CHMSL) uses LED’s for illumination, they cannot be adjusted or repaired. If
faulty or damaged, the entire CHMSL assembly must be replaced. For complete CHMSL removal procedures, see
center high mounted stop lamp removal in this section. For complete CHMSL system wiring information and diagnosis,
see exterior lamps/lighting electrical diagnostics also in this section.
REMOVAL
1. Disconnect the negative battery cable.
2. Remove the liftgate interior trim panel. Refer to Page
23-48.
3. Remove the retaining screws (2) from the liftgate.
4. Disconnect the center high mounted stop lamp (CHMSL)
harness connector (3).
5. Slide the CHMSL assembly (1) outward and remove from
the liftgate.
There are a couple of threads which detail the repair of the CHMSL by members and a company that repairs them.