Vespa PX Turn Indicator Weird Malfunction | Part 1

Suddenly my Vespa PX turn indicator stopped to work reliably! Sometimes it works, sometimes not. Follow me on my hunt after the defective part! There will be no mercy for the culprit...
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[@CherniavskyDen]

Nice, I have the same problem on my PX150, so time to try the same steps!

[@sirflooz]

My repaired indicator still works fine. Just make sure, that the rear contact is not longer than the original! Two nuts were too much and it rubbed against the engine, so i switched to just one nut, secured by screw locking fluid.

[@flooglebinder]

The panel doesnt earth through the spring clip. It earths with the hook that holds on the panel.

[@sirflooz]

Thanks for your input. But in fact the pin connects to +12V TI relay and the spring at the top connects to earth (chassis). The locking hook has no electrical function.

[@flooglebinder]

Im sorry but you are incorrect. The spring is too flimsey for a good earth piaggio would never use that. If you keep the hook clean and area on panel where it hooks to. You will never have a problem. Thinking the spring clip is the earth is a bit of a school boy error.

[@pauldavis2480]

That’s so funny.. 😂😂🤣 that clip just holds the panel on .. the electrical part is the front pin that enters the frame through the hole… good luck

[@carlosferreiragonzalvo4482]

Te funciono ? No hace falta hacer ningún tipo de modificación ? Yo tengo una vespa 125 PX

[@sirflooz]

In part 2 (kzbin.info/www/bejne/gJrbaHqJfsafh68) you see, that I have fixed it. But be aware, that the gap between the tip of the connection of the indicator and the engine is very small. So, an improvised connection cannot be any higher than the original setup. Otherwise the rubber cap rubs against the engine and gets damaged.