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Black goes straight from socket to ground... shared grounding point for both sides..
Brown is parking lights wire... it'll go hot when the parking lights turn on.. it should have constant 12..
Blue is your turn flasher wire. That should go to 12 on and off when it's turned to turn signal.
The blue comes from IP left fuse block.. but goes through the underhood fuse block.
The brown comes from the underhood fuse block, specifically the auto park lamp control relay.
Here's the deal. The blue wire on your little parking bulb, AND on the big parking bulb are the same wire, coming from the same source. If your little one is working, but not the big one, that leads me to believe the wire is damaged between the underhood fuse block, and big bulb socket. That's where the 2 branch off from a splice.
Got get your jumper wires, and WITH THE BULBS IN.. backprobe the blue wire on both sockets with a paper clip (or strip off a little insulation, your call), then connect those two points together with a jumper wire.
Does it work right now??
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