drpdmazda
+1y
make sure that somewhere along the line you didnt melt the wire harness when you were welding, when i had the wheel tubs put in my truck my turn signals stoped working, i couldnt figure it out for a while, then when i started tracing the problem i figured out which signal was the actual problem then checked the wires, turns out they melted the wires when they were welding in the tubs, try taking one bulb out at a time and checking if the fuse blows, if it blows with only one bulb in and not the other at least you know the problem is with that light
good luck