Lighting Troubleshooting: Loose Bumper Causes and Fixes
Loose bumper movement can dim, misdirect, or flicker lights. Start by methodically inspecting mounting points and fasteners for looseness or damage, then reseat and torque in a cross pattern, testing each light pair before moving on. Trace the wiring from the bumper to the body, reseat connectors with power off, and check for corrosion or…