Remove lower left instrument panel housing.
Pull away rear fog warning light push button switch cable.
Move the instrument panel housing over to the right.
When installing: + yellow/white
S grey/violet
31 brown
Pull off connections to stop light switch.
Loosen locknut and unscrew the stop light switch.
When installing: Position the stop light switch so that

6 ÷ 7 mm (0.24 ÷ 0.28 in.) of the contact button are
visible (A).

31111001 - click to zoom