try replacing the flasher unit for the blinkers its a 3 dollar part
Check fuses, and for the blinkers, check also the flasher relay.
Check fuses
where is the VIN located on a 1937 ford pickup
Check bulbs
Check fuse Replace turn signal flasher
If you check the fuse circuit box, there is a fuse for your blinkers. Just change to the amp that is required which is probably a 20. Should work good as new again
Goggle 1937 Ford and you will see pictures of many body styles.
Hazerds lights and blinkers done work
blinker blubs on a 1997 f150 front blubs
Blown fuse, or defective flasher relay if all the bulbs are good.
which fuse would cause your brakelights,blinkers,dashliht not to work