A two prong flasher would work fine if you have a right and left indicator in the dash. Just splice those into the appropriate turn signal output. That's the way most modern vehicles work.
But with an old turn signal switch with indicator (see attached pic), the 3 prong with pilot circuit would be best.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
