If you have the cup type turn signal assembly under the steering wheel. (check attached)
The wiring should be what I have below.
dark blue = right front signal light
yellow = Flasher L terminal
light blue = left front signal light
white = brake light switch
pink = left rear signal light
purple = right rear signal light
Flasher terminals
X = power fused
P = Pilot light in between the 0 and 90 on speedometer gauge
L = turn signal switch Yellow wire
Flasher
https://www.memotronics.com/3-prong...lay-6-volt-12a-vintage-cars-round-tf535/https://www.classicparts.com/1941-59-Turnsignal-Flasher-12-Volt/productinfo/53%2D562/Flasher Guide
http://www.tetrix.com/Flasher%20Primer.pdf1954-55 1st Truck Directional Signals wiring
http://chevy.oldcarmanualproject.com/electrical/wiring/images/54trucksignals.jpg Note: If you have a 12 volt electrical system you need a 12 volt flasher.
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