CHASSIS ELECTRICAL SYSTEM GMC GRDUP 2 694 C n t 74 G I 2 3 4 4 8300060 2 5 50 SOCKET ASM 4 4 4 44 7 0857 74 78 OKI 2 3 03 w E62 8906041 1 93 00 WIRE tail stop Ip rr 7 0857A 78 P2 3 78 G3 w E31 E34 E35 J E36 E37 E38 E39 8913019 1 62 75 WIRE rr lp 7 0857A 75 78 Blaxer Jimmy 8913054 1 66 25 WIRE tail comb lamp ext 7 8221 71 78 G1 2 3 5951603 Z 25 WICK rr Ip drn 2 596 74 78 G3 03 5951603 2 25 WICK rr Ip drn 2 596 74 78 P1 2 3 42 5951803 2 25 WICK rr lp drn 2 596 2 697 LAMP ASM GASKET DOOR LENS PLUG SCREW SOCKET ASM WIRE WIRE ASM Back Up NOTE lt is necessary to carefully check the parts catalogs for correct model application when replacing lamp socket assemblies ll incorrect xockem are used for replacemenn the bulb filament will be in the wrong location with respect to the lens and or reflector As a result the lamp may lail ta meet the required lighting standards 73 77 G 1 2 3 911256 2 38 00 LAMP ASM tail stop and backing 2 679 7 0820 73 78 P Z 3 w steel and alum body 74 78 G 3 Cab 75 77 CK 1 2 3 Cab 917174 2 13 50 LAMP ASM backing 7 1400 73 P 1 w sq stl body 74 78 P 1 w steel and alum body 911403 2 21 35 LAMP ASM backing 7 1400 73 P I w steel body 74 78 P I w steel and alum body 5942304 2 89 GASKET backing 7 1413 73 75 P Z 3 exc M H C 73 78 CK I 2 3 Cab exc Fleetside Wideside 74 78 G 3 Cab 5946408 2 77 GASKET backing lamp lens 2 590 7 1413 73 P 1 w steel body 74 78 P 1 w steel and alum body 912807 2 7 00 DOIJR backing lamp 7 1413 4 73 76 G 1 2 3 5962558 2 N L LENS tail stop backing 2 682 7 0684 73 P 1 w steel body 74 78 P 1 w steel and alum body 5984535 2 3 15 LENS backing 7 1417 73 78 P Z 3 exc M H C 73 77 CK 1 2 3 Cab exc Fleetside Wideside 74 78 G 3 Cab 6961260 2 3 05 LENS backing 7 1417 74 G 1 2 3 2971077 2 1 55 PLUG 7 1425H 73 78 P 2 3 exc M H C 73 76 CK 1 2 3 Cab exc Fleemide Wideside 74 78 G 3 Cab 5956394 4 57 SCREW backing lamp lens 7 1428 73 78 G 3 Cab 5938618 8 63 SCREW park and directional sig lamp lens 1 1428 74 79 CK I 2 3 Blazer Jimmy 477342 1 35 SCREW park directional signal 7 1428 73 74 CK 1 2 3 Flsetsids Widesids 8909518 2 7 95 SOCKET ASM 2 575 7 1090 75 78 CK1 2 3 w M T M20 8913061 I 14 35 WIRE b u Ip sw 7 8221 75 78 CK 1 2 3 w 4 Speed Trans 8913062 I 15 10 WIRE ASM braking lamp switch extension 7 8221 2 698 SWITCH ASM SWITCH BRACKET GASKET RETAINER WIRE ASM SCREW Back Up 73 78 CK I 2 3 Blazer Jimmy w 3 Spd 329816 I 4 65 SWITCH ASM backing 7 6238 73 GP 1 2 3 w A T 1994139 1 72 75 SWITCH ASM control safety and backing lamp 4 054 7 8238 73 CK 1 2 3 Bluer Jimmy 1994235 I 15 05 SWITCH ASM control safety and backing lamp and seat belt warning 4 054 7 6238 73 78 GP 1 2 3 exc A T 73 78 CK 1 Z 3 Bla1er Jimmy w 4 Spd 3938481 1 N L SWITCH ASM backing 7 6238 73 78 CKI 2 w M T 3 spd 329816 I 4 65 SWITCH b u Ip 7 6238 WAREHOUSING AND DISTRIBUTIONDIVISION OF GENERAL MOTORS CORP0l1AT 0N LT TRUCK 51 2 6944 698 zso REV 2 83