If I may chime in; be sure to replace the window motor with a quality HD unit. The cheaper Chinese units sold on eBay will work but raise the window slowly and will not last long. My son installed one on his Silverado and after 1 year it burned out. Replaced with AC Delco unit and problem solved. There is all kinds of crap being sold out there and if you can find an AC Delco unit that's probably the best bet.
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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "