Oh, and here is the buildsheet from COMPNINE... seems like it's got most of the "big" options.
UG1 OPENER GARAGE DOOR, UNIVERSAL UNIVERSAL GARAGE DR OPENER(UG1)
UP0 RADIO AM/FM STEREO, SEEK/SCAN, AUTO REV MUSIC SEARCH CASS, CD, AUTO TONE, CLOCK, ETR. STEREO,AM/FM W/AUTO REV CASSETTE,CD,AUTO TONE(UP0)
UQ3 SPEAKER SYSTEM,PERFORMANCE ENHANCED AUDIO ENHANCED SPKR SYS(UQ3)
VGC PROTECTOR FILM, PAINT ETCH PREVENTIVE PAINT PROTECTOR FILM(VGC)
VK3 LICENSE PLATE,FRONT MOUNTING PACKAGE FRT LIC PLT MTG PKG(VK3)
VR4 TRAILER HITCH(WEIGHT DISTRIBUTING PLATFORM) EQLZR HITCH(VR4)
VXS VEHICLE - COMPLETE
V22 GRILLE,RADIATOR(CHROME) CHROME GRL(V22)
V54 CARRIER,ROOF LUGGAGE(PAINTED) PAINTED RF LUGG CARR(V54)
V73 VEHICLE STATEMENT - US/CANADA US/CANADA VEHICLE STATEMENT(V73)
V96 Unknown
XGB TIRE FRONT P245/75R16 WOL R/PE ST TL AT 109S TIRE(XGB)
YD3 AXLE FRONT (BASE EQUIP) FOR SCHEDULING GVW PLATE FRT AXLE(YD3)
YD6 SPRING,REAR(BASE EQUIPMENT) RR SPRING(YD6)
YE9 CONVENIENCE PKG COMFORT & DECOR LEVEL #3 COMFORT & CONVENIENCE PKG #3(YE9)
YGB TIRE REAR P245/75R16 WOL R/PE ST TL AT 109S TIRE(YGB)
ZGB TIRE SPARE P245/75R16 WOL R/PE ST TL AT 109S SPARE TIRE(ZGB)
ZK3 IDENTIFICATION 1999 PULL-A-HEAD DESIGN ID 1999 PULL-AHEAD DESIGN(ZK3)
ZM9 Unknown
ZQ3 DRIVER CONVENIENCE PACKAGE II(MERCHANDISING OPTION) DRVR CONVENIENCE PKG(ZQ3)
ZW9 BASE BODY OR CHASSIS BASE BODY/CHAS(ZW9)
ZY1 COLOR COMBINATION SOLID SOLID PAINT COMBO(ZY1)
Z82 TRAILERING PACKAGE(SPECIAL)(REESE TYPE HITCH) PROVISION FOR HD TRAILER EQUIP(Z82)
Z88 GMC TRUCK G M C(Z88)
1SC PACKAGE-OPTION 03 (1SC)
1SZ PACKAGE OPTION- (1SZ)
11U EXTERIOR COLOR,PEWTER MET (11U)
26I INTERIOR TRIM COLOR,NAVY (26I)
262 TRIM COMBINATION,DARK BLUE (262)
6GF SPRING COMPTR SELECT FRT LH SUSP(6GF)
7GF SPRING COMPTR SELECT FRT RH SUSP(7GF)
AG2 ADJUSTER PASS ST POWER, MULTI-DIRECTIONAL MULTI-DIRECTIONAL P/SEAT ADJR(AG2)
AG9 ADJUSTER,SEAT,6-WAY POWER 6-WAY PWR ST ADJR(AG9)
AJ1 GLASS,DEEP TINT(REAR SIDE WINDOWS AND REAR DOOR WINDOW) DEEP TINTED GLS(AJ1)
AS3 SEAT,REAR UTILITY R/SEAT(AS3)
AT5 SEAT,RR CENTER FOLDING RR CTR FLDG SEAT(AT5)
AU0 LOCK CONTROL,REMOTE ENTRY(KEYLESS ENTRY SYSTEM) REMOTE ENTRY LK CONT(AU0)
AU3 LOCK,SIDE DOOR,ELECTRIC ELEC S/D LK(AU3)
AXP VIN IDENT POSITION, MULTI- PURPOSE VEHICLE MULTI-PURPOSE VEHICLE VIN POSITION(AXP)
A31 WINDOW,POWER OPERATED,ALL DOORS PWR WINDOWS(A31)
A95 SEAT,FRONT BUCKET,DRIVER,PASSENGER,HIGH BACK RECLINING FRT HIGH BACK RECL BKT ST(A95)
BVE STEPS RUNNINGBOARD, SIDE RUNNINGBOARD SIDE STEPS(BVE)
B35 COVERING,FLOOR MATS,REAR,CARPETED INSERT(COLOR COORDINATED) RR CPT INS FLR MATS(B35)
B39 CARPET,LOAD FLOOR LOAD FLR CPT(B39)
B58 COVERING,FLOOR MATS,FRONT AND REAR,CARPETED INSERT CPT INS FLR MATS(B58)
B85 ORNAMENTATION,EXTERIOR,BELT REVEAL MOLDING BELT RVL MLDG(B85)
B96 ORNAMENTATION,EXTERIOR,WHEEL OPENING MOLDING(BRIGHT) WHL OPG MLDG(B96)
C36 HEATER,AUXILIARY AUX HTR,RR(C36)
C49 DEFOGGER,REAR WINDOW,ELECTRIC ELEC RR WDO DEFG(C49)
C6A GVW RATING(7300 LBS) 7300 LB GVWR(C6A)
C60 AIR CONDITIONER,FRONT,MANUAL CONTROLS A/C MAN CONT(C60)
C69 AIR CONDITIONER,RR AUX RR AUX A/C(C69)
DD0 MIRROR,O/S,R AND L REM CTL,ELEC,DEFOG,LT SENSITIVE O/S ELEC R/CON MIR(DD0)
DF5 MIRROR,INSIDE,REARVIEW,LT SENSITIVE,COMPASS,O/S TEMP DISPLAY I/S REARVIEW MIR W/COMPASS(DF5)
DK6 CONSOLE,ROOF RF CNSL(DK6)
D55 CONSOLE,FRONT COMPARTMENT FLOOR F/CMPT FLR CNSL(D55)
EVA TEST DVT, EVAP EMISSION REQUIREMENT EVAP EMISSIONS REQUIRED(EVA)
FE9 FEDERAL EMISSION CERTIFICATION FED EMIS(FE9)
FG5 SHOCK ABSORBERS,FRT & RR,GAS PRELOADED,DELCO/BILSTEIN,46MM S/ABS(FG5)
FK2 ARM,TORSION BAR,SPRING ADJUST,LH TORS BAR SPR ADJ ARM(FK2)
FK3 ARM,TORSION BAR,SPRING ADJUST,RH TORS BAR SPR ADJ ARM(FK3)
GU6 AXLE,REAR,3.42 RATIO 3.42R(GU6)
G80 AXLE,REAR,POSITRACTION,LIMITED SLIP POSITRACTION L/SLIP R/AXL(G80)
JB6 BRAKE SYSTEM,VACUUM POWER DISC,DRUM VACUUM PWR BRK SYS(JB6)
KA1 HEATER - SEAT ST HTR(KA1)
KC4 COOLING SYSTEM,ENGINE OIL ENG OIL CLG(KC4)
KG9 GENERATOR,140 AMPERE 140 AMP(KG9)
KNP COOLING SYSTEM,TRANSMISSION,HEAVY DUTY HVY DUTY TRANS CLG SYS(KNP)
K34 CRUISE CONTROL,AUTOMATIC,ELECTRONIC CRCONT(K34)
K47 AIR CLEANER HIGH CAPACITY HI CAPACITY A/CL(K47)
L31 ENGINE,GAS,8 CYL,5.7L,CPI 5.7R(L31)
MSL PLANT CODE SILAO, MEXICO, GM DE MEXICO SILAO,MEXICO PLANT(MSL)
M30 TRANSMISSION,AUTOMATIC 4 SPEED,4L60E,ELECTRONIC 4-SPD A/TRANS(M30)
NA1 EMISSION SYSTEM,LESS THAN 8500 LB GVW EMIS SYS(UNDER 8500 LB GVW)(NA1)
NF2 EMISSION SYSTEM,FEDERAL,TIER 1 FED EMIS SYS(NF2)
NP5 STEERING WHEEL,LEATHER WRAPPED LEATHER WRAPPED STRG WHL(NP5)
NP8 TRANSFER CASE ACTIVE, TWO SPEED, PUSH BUTTON CONTROL TRANSFER CASE(NP8)
NRQ EXHAUST,CLOSE COUPLED CLOSE COUPLED EXH(NRQ)
N33 STEERING COLUMN,TILT TYPE TILT STRG COL(N33)
PF4 WHEEL,16X7(ALUMINUM) AL WHL(PF4)
QGB TIRE ALL P245/75R16 WOL R/PE ST TL AT 109S TIRE(QGB)
R6J CONTROL - SALES ITEM NO. 10
R9L CONTROL - SALES ITEM NO. 87
SLM SALES PROCESSING - STOCK ORDERS
TFE SALES INCENTIVE - COMMITMENT PLUS
