R 8 CHASSIS ELECTRlCAL SYSTEM I 2 480 HARNESS ASSY CIRCUIT CONNECTOR EXTENSION SOCKET W IRE Chassis Wiring segmented Con t 87 70 Ser 10 20 Single Unit 8293027 1 WIRE ASSY body wiring harness left 87 Ser 20 30 Van w curved x I windshield 87 88 Ser 10 thru 30 Dbl Unit 87 89 Ser 20 30 D 0 w 125 W B 88 70 Ser 20 Fleetside w 133 W B 71 72 Ser 10 Conv 4 W D Cab 71 72 Ser 20 30 Conv w 133 W B A 71 Ser 10 thru 30 D D exc 157 71 72 Ser 30 Conv w 187 W B 72 Ser 20 30 D D w 125 133 A W B 8 298877 1 WIRE ASSY tail and stop lamp front 87 Ser 10 20 Fleetside 8291374 1 WIRE ASSY tail andstop lamp rear 87 Ser 20 30 Chassis w 137 W B 88 70 Ser 30 D D w 157 W B 71 72 Ser 30 D D w 137 157 W B 8298878 1 WIRE ASSY tail and stop lamp front A NOTE 2 Used with optional clearance lamps 88 70 G 1 0 20 8298837 LLH WIRE ASSY body harness 88 70 Ser 10 20 exc Platform D D V71 72 Ser 10 20 Conv 4 WD Cab exc Pick Up Platform Stake I Rack 8298829 1 WIRE ASSY tail and stop lamp rr 88 72 Ser 30 Cab exc Stake Rack I Pick Up 8298822 4 1 WIRE ASSY tail and stop lamp rr 88 89 Ser 10 thru 30 Fleetside A w 115 127 133 W B y I 89 Blazer r 8297281 1 WIRE ASSY tail and stop lamp rr T 88 72 Ser 20 30 D D 8297290 1 r WIRE ASSY tail and stop lamp rr 89 72 Blazer Y 8298899 1 WIRE ASSY tail and stop lamp frt 70 72 Ser 10 D D w Step Van King 8299844 1 WIRE ASSY tail and stop rear 70 72 Ser 10 thru 30 Fleetside 70 72 Blazer 8904882 1 WIRE ASSY tail and stop lamp rear 70 Ser 10 20 Sgl Unit A K 71 72 Ser 10 20 Conv 4 WD Sub 8299897 1 WIRE ASSY tail and stop 70 72 Ser 20 Platform Stake Rack exc dual wheels I 394288 7 1 WIRE ASSY tail and stop lamp rear 71 72 Ser 30 Conv w Platform V Stake Rack exc Pick Up 8297033 1 WIRE ASSY tail and stop lamp rear 71 72 G 10 thru 30 8299879 2 WIRE ASSY rear lamp 70 72 Stepside 8904888 I WIRE ASSY tail 8 stop lamp rr 88 87 0 0 88 89 Ser 10 D D V j 71 72 M l l C 8987097 2 SOCKET 88 G 10 20 8958438 2 CONNECTOR 2 482 WIRE UNIT WASHER Attaching Parts of Harness Assy 38 72 All Blazer A 2988412 A R inst panel lamp socket 87 70 Ser 10 thru 30 exc D D FFC 71 72 Ser 10 thru 30 Conv 4 WD A Blazer 3888902 4 p WASHER l D x 0 0 x thk 2 483 BLOCK ASSY GASKET Fuse Junction R NOTE Fuse Panel Assy is part of wiring harness 87 72 All Blazer 340409 1 batt positive cable 2 342 87 72 All Blazer 3903823 1 y GASKET inst panel harness fuse pnl 2 488 SWITCH Lighting 47 Comm V 48 88 All 8 volt 1995041 1 snap on term less fuse p 88 87 All 12 volt V A 88 89 Ser 3 80 82 D D exc 102 W B 1998082 1 I 80 83 Ser 10 thru 30 exc D D A 81 82 Ser 10 D D 83 O D l L 1998098 1 84 72 All Blazer l 1998179 1 A 2 488 ROD Lighting Switch with Knob 84 88 Ser 10 thru 30 exc deluxe equip 1991031 1 87 Ser 10 thru 30 exc FFC 4 4 WD custom equip GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL A REV 5 79 2 39 2 480 2 488