cranks no start tho sct unable to read vehicle when trying return to stock or load 91 custom lito tune. opened fuse box engine and see burntncooling fan high delay one pin. could that cause a no start condition alone?
https://freeimage.host/i/Fl2FGj can i fix this whatss wrong with it? its from a raxiom vector taillight. I believe it's the relay board
I have basic soldering kit.