I know Ford places axle codes on the door jamb sticker of every truck but does Chevy and Ram do the same? I've been helping my brother-in-law look for a truck and we can't figure out what axle the tr...
1. It's on a metal tag affixed to the rear diff, usually bolted through on the diff cover.
2. There may be a sticker in your glovebox.
3. Go to the link below, click on the other link, fill in the info and get a build sheet for your truck by VIN. It will tell you exactly how it was built.
http://www.ramforumz.com/showthread.php?t=71325
or could be a sticker on axle with the ratio on it.