Posted on June 20, 2010.
How do I solder son of 2057 or 1157 bulbs car? Make a lil school project and cannot figure how to solder son on these bulbs. Welding continues to slide the bulb. any ideals?
Scratch the weld zone with sandpaper gross and leave the soldering iron tip on the bit of metal you are trying to melt the solder before welding rod in her.