CHASSIS WIRING LAMPS 2 270 SPARKPLUG Engine Tune up Spark G 0w C0n t 92 Y 5 7P LT1 5614238 8 13 96 SPARKPLUG 41 904 PGO 31 220 93 Y 5 7P LT I A 5614244 8 14 35 SPARKPLUG 41 906 PGO 47 220 93 Y 5 7J LT5 5614272 8 SPARKPLUG 41 907 PGO 28 28 1993 GENERAL MOTORS SERVICE PARTS OPERATIONS CHEVROLET 14Y 2 270 2 270 2 16 3 93