Picked up a '25 XL RCSB last month, saw this thread and got excited on doing the mod.........luckily I opened up the door panel and checked first only to find no harness or dummy plug exists :facepalm:
Got the truck back this afternoon, they took the rear tires off the rim and rotated the position on the rim, road force balance again and returned to me. It is better, is it perfect no...but at this point I will just live with it.
Many great points noted and thank you for sharing, this last paragraph of yours is what I am hoping is NOT my issue. Took the truck back to the dealer again this morning, as the Service Director said he will fix the scratched rims and readdress the rear end shake at high speeds....more to come!
Did any of you experiencing this issue get it resolved?
I just picked up a '25 RCSB 4X4 and drove it home from Texas with the rear shaking from about 75mph-82mph. Took it to dealer and of course "we cant test for speeds over 70mph" was the comment I received. They did however rebalance...