I was just looking at doing 12v upgrade just for this reason. do you happen to have part # for Wagner bulbs? their website search doesnt go back far enough. thanks for post. i will give a try before changing everything over. also what is truck year/model that you did this on to confirm bulb compatibility with mine?


1948 3100 according to title.
1952 3600 under the body.
216 ci 6volt