GMC is as you expected Puffie. The red indicator goes on the left side and is the high beam indicator. The green goes on the right and indicates for both left and right turn signal. It is connected to the "P" (Pilot) connector on a 3 terminal flasher such as a DOT 550.
My 57's dash (before it was totaled:
Last edited by Bill Hanlon; 11/28/202312:08 AM.
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12 '52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
