Brake light switch AC -OEM QUALITY- Vespa VNB2T-6T, VNC1T Super, VNL2T-3T, GT125 (VNL2T), GTR125 (VNL2T), TS125 (VNL3T), 150 VBB2T, VBC1T Super, Sprint150 (VLB1T), Rally180 (VSD1T), Rally200 (VSE1T), NCC

All Vespa brake light switches are operated when installed. This means that the pedal already presses on the spring-loaded actuating pin when not in use. For this reason we always name the function of the switches as they function when installed.
However, if you hold the switch loosely in your hand, the circuit diagram is exactly the other way round as we have specified.

(US)

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