Brake Light Switch: Service and Repair

EXC. MOTOR HOME

1. Disconnect battery ground cable.
2. Disconnect wiring from switch and remove switch from brake pedal bracket.
3. Reverse procedure to install.
4. To adjust, proceed as follows:
a. Loosen switch assembly to pedal bracket attaching screw and slide assembly away from pedal blade or striker plate.
b. Push brake pedal down and allow to return to free position. Do not pull brake pedal back at any time.
c. Place spacer gauge on pedal blade. Models with speed control use a .070 inch spacer, 1980-83 models less speed control use a .130 inch spacer and 1984-87 models less speed control use a .140 inch spacer.
d. Slide switch assembly toward pedal blade until switch plunger is fully depressed against spacer gauge without moving the pedal.
e. Tighten the switch bracket attaching screw and remove spacer. Ensure stop light switch does not prevent full pedal return.




MOTOR HOME

1. Disconnect battery ground cable.
2. Disconnect wiring from switch and remove switch from bracket.
3. Reverse procedure to install.
4. To adjust, proceed as follows:
a. Loosen switch locknut, then the switch until plunger is no longer in contact with pedal blade.
b. Disconnect pedal return spring and loosen pushrod locknut.
c. Remove pushrod end bolt and pedal return spring bracket assembly.
d. Position a .010-.015 inch spacer between pedal blade and pedal stop.
e. Turn pushrod in or out until pushrod end bolt can be inserted through pedal blade. Ensure pushrod operates smoothly.
f. Install pedal return spring bracket and torque attaching nut to 30 ft. lbs. Torque pushrod locknut to 120 inch lbs.
g. Remove spacer and connect pedal return spring, then tighten stop light switch until it contacts pedal blade. Continue to tighten switch 2-1/2 complete turns.
h. Tighten switch locknut and ensure proper switch operation.