2 810 HORN UNIT VALVE ASSY PLATE 55 65 ALL 66 ALL exc 351 478 66 TILT 351 66 TDM 478 vibrator low note stamped 9000513 9000513 1 7 20 55 56 ALL w Deluxe equip 57 59 ALL 61 63 ALL exc TILT vibrator high note 64 65 ALL exc TILT DIESEL FFC 65 DIESEL exc 212 318 TILT 65 Ser 60 TDM 212 stamped 9000514 9000514 1 7 20 65 66 Ser 50 thru 80 exc TILT LCF SBC DIESEL D D Air Equip 65 66 DIESEL exc 159 318 TILT LCF air 986285 1 53 50 65 66 ALL w A O H B dual air 22338680 1 27 50 66 Ser 50 60 exc TILT D D 351 478 212 H D A CL 66 Ser 50 60 351 478 exc TILT LCF 66 Ser 60 TDM 212 vibrator 986697 1 6 05 66 Ser 60 80 w Air Equip exc 318 478 SBC FFC 66 Ser 60 TDM w Air Brake 478 66 TILT 318 air 986495 1 26 50 NOTE When using on trucks with A O H B procure from service stock 1 valve 647962 and 1 connector 2021888 and install per unit instruction sheet 60 65 Ser 60 w A O I I B exc LCF FFC TILT DIESEL 60 65 Ser 70 80 w Air Equip 62 64 DIESEL 65 ALL 212 318 exc TDM TILT VALVE ASSY air horn shut off 647962 1 2 42 65 66 Ser 50 w Brake Booster exc DIESEL D D SBC TILT 65 66 CABS exc TILT LCF DIESEL Air Equip 65 66 DIESEL exc 159 TILT LCF VALVE ASSY air 3865439 1 3 15 60 66 Ser 60 thru 80 w Air Equip 66 Ser 60 TDM w Air Brake 478 VALVE ASSY air horn operating 23849490 1 3 15 65 66 ALL w Air Horns 478 exc TILT TDM PLATE air horn access 23962430 1 1 30 65 TILT w Air Horns 478 PLATE air horn access 23948980 1 1 30 2 815 RELAY Matched Horn 55 56 ALL 1116781 1 2 47 57 62 ALL 65 ALL 351 478 exc TDM TILT 65 Ser 80 TDM 478 65 66 TILT w H D Wiring 478 1116920 1 2 47 63 66 ALL exc 351 478 65 66 TILT 351 478 exc H D Wiring 65 66 Ser 60 TDM 478 1115824 1 2 47 2 816 SPRING RING Horn Blowing Pivot 61 65 ALL exc deluxe equip 478 65 66 ALL 478 exc TDM TILT 65 66 Ser 60 TDM 478 66 ALL exc deluxe equip 478 TILT D D Be1levi11e coned height 9741644 1 42 61 62 Ser 40 w deluxe equip Be11evi11e coned height 765631 1 37 65 66 TILT 478 65 Ser 80 TDM 478 Belleville coned height 97403150 1 60 61 62 Ser 40 w deluxe equip RING pivot 1 I D x 1 O D 763323 1 33 1966 Chevrolet Motor Division 247 2 8 0 2 L General Motors Corporation REVISED MAY1 1966