Q: How to service the brake light switch on Mercury Grand Marquis?
A: The brake light switch requires servicing, and, to begin with, the electrical connector of the stoplamp switch must be disconnected. Take off the cover and the self-locking pin, dislodge the stoplamp switch out of the brake booster push rod and brake pedal. In order to reinstall, just retrace the uninstalling processes.
Q: How to service the brake light switch on Mercury Mariner?
A: In order to repair the brake light switch, unplug the electrical connector and take the switch off. To install, once only; to make additional adjustments, a new switch is needed. Turn the knob in the opposite direction, press the brake pedal, attached the switch, pushed the pedal, and re-plugged the electrical connector.