CHASSIS ELECTRICAL SYSTEM GMC GROUP 2 559 Con t 74 78 All Blazer Jimmy w 48C 305 350 3408I8A lI 23 CLIP hyd strg pump fuel tank fill neck drain hose rear a c evap inlet s must upper r 1 szeo J 74 78 All Blazer Jimmy 6 cyl 76 78 C I Cab 305 3888I87 2 42 CLIP batt pos cable eng heater cord clip 7 8290 74 76 G I 2 3 340816 2 28 CLIP rear lamp wire fuel tank ext wire rear a c evap inlet outlet lower 7 8290 76 78 CKGP I 2 3 Blazer Jimmy MHC 3961553 A lI 20 CLIP body wiring harness 7 8290 74 75 CK 1 2 3 Cab 343438 I 35 CLIP camper harness 7 8290 74 78 CK I 2 3 Blazer Jimmy 339856 I 28 CLIP aux fuel tank camper harness 7 8290 75 76 CK l 2 3 250 292 3562I8 1 I 00 CLIP eng wiring harness 2 525 23 4980 75 78 G 1 2 3 w speed cruise control 2984583 I 2 60 CLIP spd cruise control wiring harness 7 8290 76 C I Cab exc H D Chassis 78 77 G I 2 3 250 386858 I l 00 CLIP eng wrg harness 7 8290 78 CKI 2 489334 I 28 CLIP tail lp ext wire 7 8290 78 C2 03 w E56 469335 I 28 CLIP tail lp ext wire 7 8290 73 78 All 4I3994 1 36 CLIP cable max capacity 525 7 8290 73 78 All 476007 A R 36 CLIP cbl 405 mtg hole phos neopren spr stl accents 500 cable 7 8290 73 78 All 555806 A R 42 CLIP delrin adhesive 3 2 to 12 7 dia 7 8290 73 78 All 2281863 A R 48 CLIP open A cable 3 atch hole zc pltd rub ctd wire harn attach 7 8290 73 78 All 38I5761A R 38 CLIP clsd ctd 560 cz steel 7 8290 73 78 All 39542I8A R 55 CLIP chl pnl edge mtg 028 113 phos 7 8290 73 78 All 570204 A R 1 15 CLIP Sltype x wlre 08 thk Dri Dc 73 78 All 6270410 I 36 CLIP tube 700 hole 344 id ph rub md 7 8190 74 78 CK1 2 3 lst Design 1977 339827 I 54 BRACKET Iwd lp wrg harn Note 1 7 8256 74 78 CK I 2 3 Blazer Jimmy w C A C 329814 1 54 BRACKET a c wiring harness wiring 7 8258 74 77 P 3 M H C 339859 1 1 70 BRACKET tall stop frt wire 2 662 7 8256 77 78 CKI 2 3 2nd Design I877 469339 I 50 BRACKET Iwd lp wrg ham Note 2 7 8256 73 78 P 1 Z 3 M H C 329824 I 69 RETAINER tail and stop lamp front wire 4 6379 74 78 C 3 w dual rr wheels 329831 I 38 RETAINER end gate ident lamp harn Z 4 6379 76 78 P1 2 3 329824 I 69 RETAINER tail step lp frt wire 4 8379 77 78 CK309 03 43 w rr Dual Whls 329831 I 38 RETAINER end gate ident Ip wire 4 6379 73 78 All Blaxer Jimmy M I l C 3818859 A R 56 STRAP adjustable plastic push in 4 6379 74 77 CKGP 1 2 3 Blazer Jimmy M H C 3816659 A R 56 STRAP wiring harness plastic 4 6379 78 CI 03 Diesel 38I6659A R 56 STRAP batt pos cable 4 6579 78 CI 03 Diesel w A C 3816859 A R 56 STRAP a c wrg harn ext 4 6379 78 C1 03 Diesel exc C60 3816659 2 56 STRAP alt lead wire 4 6379 77 78 G I 2 3 w Pulse Wiper CD4 3816659 A R 56 STRAP pulse wpr cont wire 4 6379 75 78 CKGP1 2 3 V8 6258203 I l 25 SHIELD splg wrg 4 8379R 2 575 BRACKET BUTTON FLASHER ASM GASKET HARNESS ASM HOUSING KNOB LAMP LAMP ASM LENS NUT PAD SCREW SHIELD SOCKET AND CABLE ASM SPACER SPRING WASHER WIRE ASM Emergency and Safety Equipment NOTE lt is necessary to carefully check the parts catalogs for correct model application when replacing lamp socket assemblies lf incorrect sockets are used for replacement the bulb filament will be in the i wrong location with respect to the lens and or reflector As a result the lamp may fail to mee the required lighting standards WAREHOUSING AND DISTRIEUTIONDIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 51 2 659 2 575 2 44 REV 2 83