CHASSIS ELECTRICAL SYSTEM V GMC GROUP 2 167 Con t 73 77 All Blazer M H C Chevy Only 1154607 A R 67 KEY oval hd secondary uncoded B S 320405 A 4 7 6479 74 Au Blazer M ic 78 CKGPI 2 3 1154608 A R 67 KEY blank sq head primary 7 6479 74 All Blazer M H C Chevy Only 1154609 A R 67 KEY round hd uncodsd 7 6479 75 All Blazer M H C Chevy Only 1154611 A R 67 KEY oval hd uncodad 7 6479 75 All Blazer M H C Chevy Only 1154610 A R 67 KEY square hd uncoded 7 6479 76 All Blazer M H C Chevy Only 7024229 1 67 KEY square hd uncodsd 7 6479 76 All Blazer M H C Chevy Only 1154805 I 67 KEY oval hd uncoded 7 6479 78 CKGP1 2 3 1154609 A R 67 KEY blank oval head secondary 7 6479 2 188 CYLINDER ASM LOCK UNIT LOCK ASM SCREW SWITCH ASM Ignition NOTE 1 lst design has no rat screw Znd design par identified by oalurnn with ret screw 73 78 GP I 2 3 M H C 895450 1 N L CYLINDER ASM ign lock B S 605532 coded 7 6455 73 All Blazer Jimmy M H C Chevy Only 7047878 1 14 65 CYLINDER ASM ign lock uncodsd B 8 S 605991 7 6455 75 76 CKGP I 2 3 Jimmy M H C GMC Only 7040390 I LOCK UNIT ign lock coded GMC only 7 6455 73 76 CK I 2 Sub w Elec T Gate 6259467 1 I6 45 LOCK ASM end gate 7 6455 74 77 CK 1 2 3 Blazer Jimmy 20071252 1 N L LOCK ASM ign lock coded w keys B S 607893 7 6455 78 CK1 2 3 1st des 20071252 1 N L LOCK ASM ign lock coded w keys B S 607893 Note 1 7 6455 78 CKI 2 3 2nd des 7833759 1 N L LOCK ASM ign lock coded w keys B S 607872 Note l 7 6455 73 78 All Blazer Jimmy 7808433 I 70 SCREW ign switch 7 4564 73 78 GP 1 2 3 M H C 1116712 I N L SWITCH ASM ign and start 7 6300 73 77 CK I 2 3 Blazer Jimmy w T W 1990099 1 l0 55 SWITCH ASM ignition 7 6300 73 78 All exc Tilt Whl 1990109 1 N L SWITCH ASM strg col ign 7 6300 7B All w Tilt Whl 1990110 I N L SWITCH ASM strg col ign 7 6300 2 195 ACTUATOR ASM ALARM PKG BRACKET BUZZER ASM CLIP FLASHER HARNESS HORN ASM RACK RELAY RETAINER ROD SECTOR SHAFT SHROUD SPRING SWITCH Ignition Switch Warning 73 74 CK I 2 3 Blazer Jimmy w T W 7819749 I I5 40 ACTUATOR ASM w rack ign switch 7 6455 75 77 CKI 2 3 w A T Tilt Whl 75 78 CK I 2 3 Blazer Jimmy T W w 4 Spd 7818778 1 5 90 ACTUATOR ASM ign switch 7 6455 77 CK I 2 3 Blazer Jimmy w 4 Spd T H exc T W 78 CK I 2 3 w AT Tilt Whl 7827592 I 5 90 ACTUATOR ASM ign switch 7 6455 78 CG I 2 3 exc Dr Lk Lgt 996367 1 73 00 ALARM PKG theft 7 7279 78 K 1 2 06 16 996367 I 73 00 ALARM PKG theft 7 7279 78 G 1 2 3 469369 I 73 BRACKET anti thelt hood switch 76 77 CK 1 2 3 Blazer Jimmy 8258257 I 7 I0 BUZZER ASM seat belt warning 7 7280 73 74 CK 1 2 3 Blazer Jimmy w A T exc T W 7804419 I 1 45 CLIP warning buzzer switch 7 64248 76 79 GI 2 3 491391 1 N L FLASHER anti theft horn 7 6400AB 78 G I Z 3 w anti theft 12012527 1 115 00 HARNESS theft deterrent 7B G 1 Z 3 w Anti theft UA6 1892247 1 22 65 HORN ASM alarm 7 7279A 73 78 CK I 2 3 Blazer Jimmy y w 4 Spd exc T W 7815318 I 2 20 RACK nrg col ign switch actuating 7 6556E 75 78 CK 1 2 3 Blazer Jimmy T W w T H 4 Spd 7818721 1 7 50 RACK ign switch actuator 7 6558E T WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 REV 2 83 2 9 2 187 2 195