1954 was the first year for Chevy trucks to get factory turn signals.
Many of the parts were the same (except casting housing date stamp) as those used on cars in 1953.
I think, by your questions, you are finding out that a restoration involves a lot of research.
Stovebolt members try to help each other but remember we are human and make mistakes.
Investing in some documentation helped me and continues to help.
Chevrolet Master Parts manual
Owner's manual
Shop manual
Factory Assembly Manual
Dealer's Data Book
Chevrolet Accessories / Installation Manual
If it was a 57 on up would not be so many questions.
I'm finding out things are a bit different on these older TF trucks, a few things a bit better and some not so, its like the factory workers where learning on them.
