56 Ser 4 6 8 10 2966965 1 8 30 cover 82 0 L 57 59 Ser 4 6 8 10 exc Air Brake 57 Ser 5 7 9 58 59 Ser 5 7 9 exc Ser 9 w Air Brake 2970005 1 10 70 cover 70 O L Note 2 NOTE 2 When using on 1957 models it may be necessary to splice 1 wire from connector to voltage regulator and to replace terminal and connector on horn wire 60 All w dir sig 6 cyl exc FFC Air Equip Tilt 60 Ser 40 50 w dir sig 8 cyl exc FFC 2972936 1 20 50 cover 126 0 L w junction block 60 Ser 60 w Air Equip dir sig 6 cyl exc Tilt 60 Ser 60 thru 80 w dir sig 8 cyl exc FFC Tilt 2974150 1 19 40 cover 119Vz 0 L w junction block 60 Tilt 2976899 1 17 10 cover 127 0 L bulkhead connector 60 61 Ser 40 LCF 2974596 1 3 45 generator cover 31V O L 4 60 61 All exc LCF Tilt 2974156 1 3 50 generator cover 41Vz O L 60 61 All exc Tilt 62 63 LCF 2976801 1 7 50 headlamp cover 51V 0 L 60 Ser 40 thru 60 exc FFC LCF Tilt dir sig Air Equip 2974266 1 19 00 chassis cover 119Vz 0 L 60 61 Ser 40 thru 60 w dir sig exc FFC Air Brake 60 61 Ser 60 6 cyl exc FFC dir sig Air Equip 2972944 1 7 05 instrument cluster 60 63 Tilt 2976105 1 7 40 front lighting wiring cover 47 O L 60 62 Tilt exc Diesel 2980858 1 28 60 cab and instrument cluster bulkhead connector Note 3 NOTE 3 Use with chassis wiring harness 2976899 in place of 1st design part which is no longer available 61 All w dir sig exc FFC Tilt 2976984 1 21 50 cover 118V O L w junction block 61 Ser 40 60 w Air Equip 6 cyl exc FFC Tilt dir sig 61 Ser 40 60 thru 80 8 cyl exc FFC Tilt dir V sig 2976817 1 19 75 cover 119 O L w juction block 62 Ser 40 thru 60 FFC SBC 2979686 1 20 80 cover 68Vz 0 L w junction block 62 All exc FFC SBC Tilt 2980916 1 20 95 w junction block cover 67 O L 62 Tilt exc AC gen 2980860 1 15 20 cover 128 O L 62 Ser 50 60 exc FFC SBC Tilt Diesel P T Tach oil ammeter thermo gauges 2979695 1 7 65 instrument cluster cover 9 0 L 62 Ser 40 50 w ammeter oil thermo gauge and tach exc FFC 62 Ser 60 327 exc FFC Tilt A 62 Ser 60 Cab w Air Equip P T 6 cyl 62 Ser 60 Diesel 62 Ser 80 exc Diesel Tilt 63 Ser 50 thru 80 exc FFC Tilt 2981705 1 8 40 instrument cluster cover 9 O L tagged 1705 62 Tilt w AC gen 2980789 1 29 30 chassis 129 0 L 62 Ser 60 Diesel exc A O H B 2980918 1 33 50 w junction block 62 Ser 60 Diesel w A O H B 62 LCF Diesel 2980923 1 35 65 w junction block 62 Ser 60 Diesel w A O H B 62 LCF Diesel 2980925 1 7 25 instrument cluster 63 Ser 50 60 FFC exc H D wiring 2981775 1 27 15 cover 67 O L w junction block 63 LCF Diesel 64 65 LCF 6V 53 exc jumper cable 2985615 1 42 30 instrument panel Note 4 Q 63 Ser 80 exc Tilt Diesel i 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 1i 2 480 2 480 2 56 REV 6 71