INDEX FOR ADDITIONAL LIGHT TRUCK INFORMATION J The identification or usage charts are located in the catalog as listed below Truck Series Identification Chart Page16 Engine Identification Chart Page21 Transmission Identification Chart A Page28 Rear Axle Identification Chart Page33 Front Axle Identification Chart Page38 GM Production Options RPO 1 Metric Conversion Chart A METRIC 1 Abbreviations ABBR 1 Paint Chart PAINT 1 V Belt Chart Group 1 066 Radiator Chart Group 1 219 Wire Harness Tag Chart Group 2 000 Starter Motor C art Group 2 041 Spark Plug Wire Chart Group 2 240 Generator Chart Group 2 275 Distributor Chart Group 2 361 Fuel Meter Chart Group 3 107 Fuel Injection Pump Chart Group 3 306 Air Cleaner Chart Group 3 402 EGR Valve Chart Group 3 670 Carburetor And Electric Fuel Injection Charts Group 3 725 Brake System Usage Chart Group 4 000 Automatic Transmission Chart Group 4 003 Speedometer Chart A Group 4 337 Master Cylinder Chart Group 4 650 Power Booster Chart Hydraulic Group 4 805 Power Booster Chart Vacuum Group 4 901 Propeller Shaft Component Chart Group 5 544 I Steering Gear Chart Group 6 518 Steering Column Chart Group 6 578 Heater Module Chart Group 8 845 Heater Blower Chart Group 8 857 Body Cushion Chart Group 9 023 Air Conditioning Module Chart Group 9 169 Air Conditioning Compressor Chart Group 9 170 A C Fitting Chart Group 9 222 Instrument Cluster Chart Group 9 735 Wire Harness Tag Chart Group 16 000 Seat Chart Group 16 670 Seat Belt Chart Group 16 714 Seat Cushion Trim Chart Group 16 717 Seat Back Cushion Trim Chart Group 16 724 Numerical Index End of Text Pages 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 4 REV 1 88