Here are the instructions for removal and installation.
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NOTE: Locking tab must be lifted before connector can be removed.
Disconnect connector from stoplamp switch.
NOTE: Since the switch side plate nearest the brake pedal is slotted, it is not necessary to remove the power brake booster and black bushing from the brake pedal pin. On vehicles equipped with speed control, the spacer washer is replaced by the dump valve adapter washer assembly.
Remove the hairpin retainer. Slide stoplamp switch, power brake booster , white nylon washer and bushing away from brake pedal .
Remove washer and then the stoplamp switch by sliding stoplamp switch up or down.
Position stoplamp switch so the U-shaped side is nearest the brake pedal and directly over/under the pin.
Slide stoplamp switch up/down trapping the power brake booster and black bushing between the switch side plates.
CAUTION: Do not substitute other types of pin retainers. Use only factory-supplied hairpin retainer.
Push stoplamp switch and power brake booster firmly toward brake pedal arm. Assembly outside white plastic washer to hairpin. Install hairpin retainer to hold entire assembly.
CAUTION: Stoplamp switch wire harness must have sufficient length to travel with stoplamp switch during full stroke of brake pedal . If wire length is too short, reroute or repair harness as required.
Install connector of stoplamp switch wiring harness to stoplamp switch.
Check stoplamp switch for proper operation.