Originally Posted by jax32
66GMC, There already was a fuse for the turn signals but I went ahead and put a fuse on the hot side of the flasher (it's a two-pronged unit, excluding the ground). I did that on the assumption that the flasher needed a fuse independent of the turn signals. Was I wrong>
You could have probably just stuck a 5 amp fuse in the original location.
The way to tell for sure is to test the flasher with both fuses installed.
If it works, remove the one in the original location and see if it still works.