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Dynamic Mirror Indicators Installed...Puddle Light Not Working

IWMTom

Autocross Newbie
So after looking there are 3 pins. As I say these are from a reputable supplier so I’m very confused as to why I’m having this issue. What can I do?
Doesn't necessarily mean they're wired up internally.

There isn't really a "reputable" supplier for these things; they're all just AliExpress specials.

Bridge the ground wires.
 
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