Taillight codes
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Joined: Mar 2021
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From: WV
Taillight codes
Do our trucks have the manufacturer date on them? Last night at a cruise-in a guy asked if my truck was a 64’ he pointed out that both my taillights say 64 on them 🤷🏻♂️🤷🏻♂️
The old girl is a 66’
The old girl is a 66’
Laughing Gas
Joined: Sep 2012
Posts: 860
Likes: 13
From: Asheville, NC
Are you reading the “part number” cast into the lenses starting with C4……..? The C is 1960s and the four would mean first used in 1964.
My understanding from reading many threads on here the numbers on older Ford parts are actually engineering numbers (I think that is the term) and not part numbers.
I’m no expert on Ford #s, but I think this is generally the basic gist of it.
My understanding from reading many threads on here the numbers on older Ford parts are actually engineering numbers (I think that is the term) and not part numbers.
I’m no expert on Ford #s, but I think this is generally the basic gist of it.
Super Moderator
Joined: Apr 2004
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If it's a "C4TF" for example, the C4 is 1964 for the revision, but is not 1964 only. It would continue with that number until the next revision or reengineering. So a tail light could be used for many model years and still be correct.
Laughing Gas
Joined: Sep 2012
Posts: 860
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From: Asheville, NC
Hotshot
Joined: Oct 2009
Posts: 16,148
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From: Burbank, WA
For whatever reason, lamp lenses have an SAE code on them (Society of Automotive Engineers) and have for years. There are charts out there somewhere than can decode the letters identifying the purpose of the lamp. You'll find similar codes on your front park lights, too. The number is the first year the lens was used. Many cars have lenses that were used one year only, so it can be an easy way to determine a vehicle model year. For our trucks that had lenses used for several years, as you noted, the science is not as exact. I'm guessing the guy at your cruise in just learned something new and was trying to impress everyone with his new found smarts.
https://www.grote.com/technical-tips...ication-codes/
https://www.grote.com/technical-tips...ication-codes/
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