Mine is an '04 so yours may be different but there should be a tie rod(?) going from your steering box to another tie rod that has an adjustment sleeve in it. Adjusting this will get your wheel close enough to center until you get your alignment done.
Correct, loosen the bolts at both ends of the drag link (bar that runs between the pitman arm on the steering box and the tie rod). With both ends loosened twist the bar. You may have to use a pipe wrench. Since you lifted the truck a bit the distance from the steering box to the far side of the tie rod has lengthened so you need to rotate the drag link so that the distance lengthens.
Park your truck with the tires pointed straigt ahead. Twist the drag link until the steering wheel is straight. It should only take a couple of turns. (check to make sure you're going the right way)
Tighten everything back up and you're done.
Make sure you're turning the "drag link" not the "tie rod". If you turn the tie rod you will screw up your alignment (toe-in/tow-out)
The bolts you loosen are the ones on each end of the rod that clamp down on the threads. Tightening them keeps the rod from turning on it's own.
You won't need an alignment, as you only went 1.5", and did not screw with the tie rod. The toe in/out should not have been changed, so it is still at factory specs. I had an 8.5" lift on my last truck, an 02, no alignment, just corrected the steering wheel, and got an adjustable trac bar, drove straight down the road, no hands, on 38's, unless I hit a bump, but thats a whole other story.
Hope this helps
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