BODY MOUNTING AIR COND INSTRUMENTS GMC GROUP 9 749 C n t 75 77 P I 2 3 M H C 4 6405654 I 37 GASKET instr cluster tell tale brk lens to hsg 7 5010 77 G I 2 3 77 78 P 1 2 3 M H C 1587911 A R 26 GASKET instr cluster tell tale 7 5010 J 76 78 CK 1 2 3 Blazer Jimmy w gauges 6497481 I 72 GASKET instr cluster brake tell tale use with two tell tale type speedometer 1 749 7 5010 78 78 CK I 2 3 Blazer Jimmy 2nd design 6497483 1 61 GASKET inst cluster nigh beam lilter no comparable Ist design Note I 7 5010 77 C 1 w gauges 6497481 1 72 GASKET brk tell tale 7 5010 77 CK 1 2 3 Blazer Jimmy 6497483 1 61 GASKET high beam Iilter 7 5010 77 78 CK 1 2 3 Blazer Jimmy 25015099 1 66 GASKET inst cstr tell tale 7 5010 78 P1 2 3 I 587910 1 24 GASKET brk telltale Iilter hsg to case 7 50I0 78 P1 2 3 I 587911 1 26 GASKET telltale lens Iilter 7 50I0 78 G1 2 3 78 Fl 2 3 8407870 A R 87 GASKET telltale brk lens to hsg 7 5010 9 750 CASE HEAD ASM FILTER PLATE TACH PLATE ASM WIRE ASM Tachometer 76 CK 1 2 3 Blazer Jimmy w tech 25015680 1 22 75 CASE tach 7 5680 73 75 CK 1 2 3 Blazer Jimmy 5659075 1 203 00 HEAD ASM w backplate 7 5680 75 78 CK 1 2 3 Blazer Jimmy w Tech 14020025 1 13 35 FILTER tach 7 1045 75 76 CK 1 2 3 Blazer Jimmy 5857883 I 2 77 PLATE backplate tech 7 5680 78 CK I 2 3 Blazer Jimmy 5858616 I I97 00 TACH It PLATE ASM 7 5680 77 CK 1 2 3 Blazer Jimmy 5858868 I 203 00 TACH Ii PLATE ASM 7 5680 78 CK 1 2 3 w Tach 5659232 1 I66 00 TAGHOMETER It BK PLT ASM 7 5880 73 75 CK 1 2 3 Blazer Jimmy 8908031 I 24 15 WIRE ASM tech 7 8224 76 78 CK 1 2 3 Blazer Jimmy 8913102 I 24 15 WIRE ASM tach 7 8224 9 761 BOLT HEAD ASM GASKET Speedometer and Odometer Miles NOTE 1 On 1976 First Design the speedometer head has none or one tell tele Hlter at the bottom of the dial NOTE 2 On 1976 Second Design the speedometer head has two teII tale Nlters at the bottom of the dial J 78 GI 2 3 1586095 2 88 BOLT w bushing speedo mtg 7 5150A 73 PG 1 2 3 M H C 8493480 1 50 55 HEAD ASM speedo 7 5150 73 75 CK 1 2 3 Blazer Jimmy exc Gauges 6497570 1 83 05 HEAD ASM speedo 7 5150 73 75 CK I 2 3 Blazer Jimmy w gauges 8499189 I 5I 15 HEAD ASM Speedo 7 5150 74 75 PG 1 2 3 M H C 8985252 1 50 55 HEAD ASM Speedo Ml 7 5150 76 CK 1 2 3 Blazer Jimmy exc gauges 1st design 8989524 1 46 70 HEAD ASMs speedo MI Note 1 7 5150 76 CK 1 2 3 Blazer Jimmy w gauges Ist design 8989525 I 46 80 HEAD ASM speedo Ml Nate 1 7 5150 76 77 PG 1 2 3 M H C 25016112 1 61 I0 HEAD ASM speedo Ml 7 5150 76 CK 1 2 3 Blazer Jimmy 2nd design 77 78 CK 1 2 3 Blazer Jimmy 25020135 I HEAD ASM Speedo Ml Note 2 7 5150 78 P1 2 3 25016112 1 61 10 HEAD ASM sveedo 7 5150 78 G 1 2 3 25017297 1 69 95 HEAD ASM speedo 7 5150 78 77 CK I 2 3 Blazer Jimmy 6499770 I 1 34 GASKET inst cluster speedo 7 5150 78 CK1 2 3 25016679 1 1 28 GASKET speedo 7 5150 9 765 ALARM TIME R ASM HOU S NG ASM LIGHT SOCKET Seat Belt Warning Electric Choke Warning 77 78 CKl 2 3 w light minder T63 459387 1 13 30 ALARM Igt minder audio 7 7280 76 CK 1 2 3 Blazer Jimmy 172624 I I 7 35 TIMER ASM seat belt warning 7 1450 77 78 CK1 2 3 Blazer Jimmy 1253637 I 9 25 BUZIER st belt timer also in group 16 714 23 3463 78 C 1 2 3 03 350 Diesel 459468 I 9 05 HOUSING ASM warning lp 7 1450A 77 G I 2 3 77 P 1 2 3 459416 I 15 20 LIGHT electric choke wiring 7 1450 78 P I 2 3 42 292 489382 I 14 35 LIGHT ASM elec choke wrng 7 1450 75 78 G1 2 3 12004311 A R 80 SOCKET wedge base lamp 7 5111H T WABEHOUSING AND DISTRIBUTIONDH Sl0N OF GENERAL MOTORS CORPORATION LT TRUCK 51 9 749 9 765 eas REV 2 83