CHASSIS ELECTRICAL SYSTEM 2 251 SUPPORT CLIP GROMMET RETAINER SHIELD Spark Plug Wire Con t 69 All 350 exc TDM SBC 70 Ser 40 50 8 cyl exc 366 71 72 All 350 3744408 2 side 66 Ser 80 w P T exc Diesel 66 67 Ser 60 w P T 366 exc SBC 3841567 l rear upper left 67 68 Ser 40 thru 60 Tilt TDM 283 327 2nd design i 67 68 Ser 40 thru 60 8 cyl exc Tilt TDM P 70 Ser 40 50 350 71 72 All 350 366 3900407 1 rear lower left 67 68 Ser 40 thru 60 283 307 327 exc Tilt 2nd design 69 72 Ser 40 50 350 exc P T Tilt 3906611 1 rear upper left 68 Ser 40 thru 60 283 327 exc Tilt lst design 3906613 1 rear upper left 71 72 Ser 60 TDM w A T 2381333 1 2 4 5 6 wires 58 59 Ser 4 6 7 8 283 I 60 67 Ser 40 thru 60 8 cyl 68 Ser 40 8 cyl V 69 72 All 350 3744409 2 CLIP m wide and high one 4 hole 55 56 All 57 Ser 4 5 6 7 8 8 cyl 58 59 Ser 4 6 8 cyl 58 Ser 9 10 exc 10F 60 63 Ser 40 thru 60 283 327 3719963 A R GROMMET rear upr and lwr embossed numbers nl hole u O D 4 38 72 All 6 cyl 3702799 A R RETAINER 3 wire ret black nylon 58 72 All 2965950 A R RETAFNER spark plug wire 58 68 All 70 Tilt 2965950 l RETAINER 66 67 Ser 60 80 366 exc P T 68 69 Ser 40 thru 60 350 366 70 72 All 8 cyl 2977555 l RETAINER rear 57 66 All 283 327 292 I 67 Tilt 8 cyl 68 72 All 327 350 3817657 1 SHIELD heat left rear and right front 57 66 All 283 327 67 Tilt 8 cyl 68 72 All 327 350 3917664A R SHIELD heat right rear rear 67 72 All 366 427 336716A R SHIELD spark plug heat 68 69 Ser 40 thru 60 327 350 70 Ser 40 50 8 cyl 71 72 All 350 3919807 1 SHIELD left frt 2 257 TERMINAL CLIP Spark Plug Wire h 38 55 All 6 volt 200078 A R spade end for rod Packard 208 A 2 240 38 55 All 6 volt 5284618 8 CLIP high tension Packard 202 2 240 2 258 NIPPLE PROTECTOR Spark Plug Wire I 38 69 All 5289527 A R distributor plastic l Ii long 47 57 All 5290441 1 coil 58 Ser 9 10 exc 10F 2973999 A R distributor 38 69 All 6 cyl 5297132 6 PROTECTOR bellows type Packard type 2 270 PLUG Spark I NOTE 1 May be used on previous models using 14 MM plugs not equipped with boots 38 55 All lst Ser 55 Ser 4 5 exc H D l 56 Ser 4 exc 8 cyl l l D 57 58 Ser 4 62 Ser 40 50 LCF 1559494A R 3 step hot plug AC46 14 MM 38 55 All lst Ser 55 Ser 4 5 exc H D 56 Ser 4 exc H D 57 58 Ser 4 62 Ser 40 50 283 5612390 A R 3 step hot plug extended shield AC46S 14 MM 41 48 All 1559459 A R standard equip sustained slow speeds on trucks No M8 10MM 49 55 1 2 Ton H D lst Ser 49 55 2 Ton lst Ser 55 Ser 6 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 2 251 2 270 2 12 REV 5 79