I'm done!!
here are some phone pics of the seats
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Sorry.. the pics don't do too much justice to the actual look...
So here is what I did:
I removed all the carpet and located to see if there were holes where to screw the seats to without any more drilling (yes... I already had done some drilling on the floor)... thankfully, the truck has a bunch of unused holes that are patched with some metallic tape and some black gum-like guck.
The 1st row bolted almost directly to the floor... there was one of the screws on each seat that did not match a hole.... so I just left it like that.
Out of all the cables in the wiring harness of the seat, I located the 2 thickest one the black went to a ground and the other color to the + of the battery with a fuse in between.
The 2nd row seats came with a "floor bracket/plate"... the 3rd gens (at least on mine, the 2nd row screws directly to the floor)... anyway... the bench is 40/60 split, so I made sure that both sections had at least 4 points where to screw then to the floor....
For the hinge that goes into the floor where the rear of the seats clamp to to allow access to the 3rd row... there some dips/deeps/recesses that were under the carpet, but since they did not match the hinges of the new seats, I hammered in the floor where they were supposed to go (not pretty, but effective - specially since no one will lift the carpet to see what's there - unless I decide to sell, etc.).
The belt buckles of the 2nd row, I wen t to my dad's I used power grinder to make the original ones as thin as the ones for the new seats... the buckles for the 2nd row for the 4th gen x are not as wide as on the 3rd gen... the front buckles were not a problem.
The 3rd row, I just remove the utility bins that were in the back (just unbolt a few bolts and pull them out)... the new seats fit right in... and actually, was the one that I had to fight the least with to get in ;-)
I'm not planning to install seats belts on the 3rd row just yet... I need a break!
So to summarize and some other pointers:
-4th gen seats will fit 3rd gen (with a little work).
-4th gen seats are a little bit harder than 3rd gen seats (at least mine... may be there are too new and not broken in enough, or mine were too old and soft/worn out)... but they are still very comfortable (I'm fixing to drive from Jackson, MS to Orlando, FL next week... that will be the real test... I'll keep you posted).
- The headrests of 4th gens are larger than 3rd gen's so they block rear visibility a little bit.
- they do look nice and the smell of leather when you get in the truck is nice (I like).
Have fun with your projects.