CHASSIS ELECTRICAL SYSTEM i 1 1 1 2 410 CONTROL Distributor Vacuum Con t F 1 71 72 All Blazer 292 exc NB2 1 1973435 1 vv 1110486 1 71 72 All 400 1 1 1 71 72 Ser 10 Conv 4 WD Blazer A 307 1 1 1 1 71 72 6 10 307 1 72 Ser 20 Conv 4 WD Sub 1 307 1 1 1973436 1 w 1 112040 41 64 1 71 Ser 20 30 Conv 4 WD D D 1 307l 1 71 72 All Blazer 350 72 Ser 20 Conv 4 WD Cab 1 307 A 72 Ser 20 30 D D 307 1 72 Ser 30 Conv 307 1973437 1 w 1 1 12043 46 47 2 414 ARM BOOT Distributor Vacuum Control Clamp 39 54 All 1 V 55 57 All 6 cyl 1 1 1 58 59 Ser 3 6 cyl 1 1 1 60 62 Ser 10 thru 30 6 cyl exc P G 1 1929107 1 1 1 1 64 65 G 10 1 1 64 Ser 10 thru 30 w H D A Cl 1 1 1 exc 283 D D 4 WD PFC 1 1 65 69 Ser 10 thru 30 w H D A CI 6 1 1 cyl exc FFC 1 A 66 G 101 exc P G 1 1 67 All 250 169 G 10 20 1 1 V 1 72 6 10 thru 30 6 cyl exc NB2 72 All Blazer w NB2 6 cyl 1963610 1 BOOT control arm 2 420 COUPLING FITTING NIPPLE HOSE Distributor Vacuum Control 1 68 70 Ser 10 thru 30 w low range A 1 1 1 gov 69 70 Blazer w low range gov 1 1 71 All 6 cyl A 533688 1 FITTING spark cont pipe 3 870 71 72 All 415899 1 HOSE spark control 2 447 SWITCH NUT STFIICKER Stop Lamp 1 11 I 42 50 All 51 55 Comm 6 volt 1997901 1 mech type snap on term 1 1 55 Ser 3 2nd Ser 12 volt 1 1 1 56 D D 1 57 59 Ser 3 1 1 1 60 64 0 0 exc 102 W B 1997921 1 1 1 mech type snapon term 1 60 66 Ser 10 thru 30 exc D D 1 1 1 61 67 Ser I0 0 0 l 1 67 70 All exc Speed and Cruise 1 1 Control 1 1 71 72 All Blazer 3886907 1 1 SWITCH ASSY L 64 70 G 10 20 1 1 65 67 Ser 20 30 D D 1 1993317 1 SWITCH ASSY 68 70 Ser 10 thru 30 w Speed and 1 Cruise Control 9794682 1 SWITCH ASSY 66 All exc D D G 10 1 66 Ser 10 D D 1 9420171 2 NUT 20 type R ZC 8 921 1 71 72 G 10 thru 30 3968646 1 STRICKER brake pedal switch 2 459 SWITCH CLIP NUT Headlamp Dimmer 1 NOTE 1 1 1955 56 model initial installation also requires connector 2962449 38 55 All 6 volt 1997008 1 3 overaII1Iength L 55 60 All 12 volt 61 62 D D exc 102 W B 65 66 Ser 10 thru 30 exc 4 WD D 1 A 1 D 1997023 1 1 2 hole mounting flange Note 1 1 61 64 All exc D D 61 62 Ser 10 D 0 63 67 D D 1 65 70 Ser 10 thru 30 G 10 20 1 1 1 7 1 72 All Blazer 1997043 1 1 67 Ser 10 0 0 6 cyl 1361699 1 CLIP stop lamp switch 61 69 Ser 10 thru 30 exc D D 1 1 68 70 G 10 20 1 528846 12 NUT dimmer switch 4 20 67 Ser 10 thru 30 exc D D 1 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL j 1 2 410 2 459 1 1 2 36 REV 5 79 1