ABBREVIATIONS GM21 IST FIRST BK UP BACK UP CMP COMPONENT 2ND SECOND BK WDO BACK WINDOW CMPD COMPOUND SRD THIRD BKG BACKING CMPR COMPRESSOR SION 4TH FOURTH BKL BUCKLE CAMPER 5TH FIFTH BL L BLEED CMPST COMPOSITE A BLEDR BLEEDER CMT CLEMENT BLK BLANK BLOCK CMTR COMMUTATOR ABS ABSORBER BLO BLOWER ING CNCT CONTACT ABV ABOVE BLP BURLAP CNDCT CONDUCTOR AC AIR CONDITION ING BLSR BLISTER CNDSN CONDENSATION ACC ACCESS BLW BELOW CNDSR CONDENSER ACCEL ACCELERATOR BOLS BOLSTER CNSL CONSOLE ACCUM ACCUMULATOR EIOND BONDING CNTNR CONTAINER A CLNR AIR CLEANER BOOS BOOSTER CNTR COUNTER ACNT ACCENT BPR BUMPER CNTR BAL COUNTERBALANCE ACSRY ACCESSORY BR BRACE CNTR BORE COUNTERBORE ACTR ACTUATOR ING BRD BRAID ED ING CNTR CW COUNTER CLOCKWISE ADAP ADAPTER BRDR BORDER CNTR PUNCH COUNTERPUNCH NDEFL AIR DEFLECTOR BRG BEARING CNTR SINK COUNTERSINK SUNK ADHES ADHESIVE BRI BRIGHT CNTR WT COUNTERWEIGHT ADJ ADJUSTER ABLE ING BRK BRAKE COE CAB OVER ENGINE A DUCT AIR DUCT BRKR BREAKER COL COLUMN ADV ADVANCE BRKT BRACKET COLR COLLAR AIR AIR INJECTION REACTOR BRS BRASS COMB COMBINATION A L C AUTOMATIC LEVEL BTHR BREATHER COMP COMPOSITION CONTROL BTL BOTTLE COMPL COMPLETE ALLOC ALLOCATION ED ING BTM BOTTOM COMPT COMPARTMENT ALT ALTITUDE BUSH BUSHING CON CONSIST ING ALTN ALTERNATE BUTN BUTTON CONN CONNECT OR ING ALTNTR ALTERNATOR BZL BEZEL CONST CONSTRUCTION ALTRN ALTERATION C CONT CONTROL LER LED ALUM ALUMINUM CONT VENT CONTROLLED ALUM CST ALUMINUM CASTING C CELSIUS CENTIGRADE VENTILATION AMB AMBIENT CABT CABINET CONT VLV CONTROL VALVE AMBRL AMBERLITE CAD CADMIUM CONTD CONTINUED AMM AMMETER CAL WT CALCULATED WEIGHT CONV CONVENTIONAL AMP AMPERE CALIF CALIFORNIA CONVR CONVERTER AMPR AMPLIFIER CAPAC CAPACITOR CONVERTIBLE ANC ANCHOR CARB CARBURETOR COORD COORDINATE ING ANC NUT ANCHOR NUT CARR CARRIAGE CARRIER COP COPPER ANT ANTENNA CART CARTON COR CORNER ING A OTLT AIR OUTLET CASG CASING COT COTTER APEAR APPEARANCE C B CITIZENS BAND COWL VENT COWL VENTILATOR APLO APPLIOUE CBL CABLE CPE COUPE APPROX APPROXIMATE LY C C O T CYCLING CLUTCH ORIFICE CPLG COUPLING A PUMP AIR PUMP TUBE CPLY CAPILLARY AR AS REOUIRED CDT CONDUIT CPN COMPANION ARM ARMATURE C E COMMUTATOR END CPT CARPET A R S AUTOMATIC RESTRAIIIT CHAM CHAMFER CR CROSS SYSTEM CHAN CHANNEL CR BAR CROSS BAR A RST ARM REST CHAS CHASSIS CR MBR CROSSMEMBER A RTL ANTRATTLE ER CHK CHECK ING CR OVR CROSS OVER ASM ASSEMBLE LY CHMBR CHAMBER CR REC CROSS RECESS A SOK ANTI SCIUEAK CHR CHROME IUM CR SHF CROSS SHAFT ASST ASSIST ING ANT CHRG CHARGE ING CRCMF CIRCUMFERENCE A SUSP AIR SUSPENSION CHT CHART CRK CRANK AT AUTOMATIC C I D CUBIC INCH CRK CASE CRANKCASE TRANSMISSION DISPLACEMENT CRK SHF CRANKSHAFT ATCH ATTACH ED ING MENT CIG CIGAR CIGARETTE CRN CROWN A THFT ANTIVTHEFT SIG LTR CIGARETTE LIGHTER CRPD CRIMPED AUTO AUTOMATIC CIRC CIRCUIT CST CAST INC AUX AUXILIARY CKR CHOKER CSTR CLUSTER AVG AVERAGE CL CLASS CTD COATED B CLA CLAMP CTG COATING CLER CLEAR ANCE CTM CATCH BAL BALANCE ING CLG COOLING CTLTC CATALYTIC BARR BARRIER CLH CLINCH CTN COTTON BAT BATTERY CLH NUT CLINCH NUT CTR CENTER BBL BARREL CLK CLOCK CTR LINE CENTERLINE B CRK BELLCRANK CLNR CLEANER CTR PLR CENTER PILLAR BD BOARD CLPR CALIPER CTR WT CENTER WEIGHT BET BETWEEN CLR COOLER COLOR CTSV COURTESY BFL BAFFLE CLSD CLOSED CTSV LP COURTESY LAMP BHD BEHIND BULKHEAD CLSR CLOSURE CTUR CONTOUR BIND BINDING CLU CLUTCH CURT CURTAIN B JT BALL JOINT CLV CLEVIS CUSH CUSHION BK BACK CM SHF CAMSHAFT CUST CUSTOM i BK DR BACK DOOR CMB COMBUSTION CUTG CUTTING WAREI IOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 5I an REV 2 B3