What is this code mean?

[JeepTractorGuy]

I found this code under the cowl in the front, can anyone decode or tell me when I can find info on this? Thanks guys

[JMO413]

That is an AMC part number.

[eaglescout526]

Made 2 14 of 88

[89 MJ]

On 10/14/2020 at 5:57 PM, eaglescout526 said:

Made 2 14 of 88

This, but I'm pretty sure its when the cab/frame is made and not when the truck is supposed roll off of the assembly line. I say that because my truck's birthday isn't until early January of 89, but the cowl stamp is 12/14/88.