Zetor 3320 Operator's Manual Supplement page 53

ELECTRICAL INSTALLATION FOR TRACTORS Z 3320 - Z 7340
21. minimum air pressure indicator lamp
22. cab headlights control lamp
23. coolant temperature gauge
24. fuel gauge
25. switch box with key
26. starter button
27. coolant temperature sensor
28. park brake switch
29. fuel tank float
30. engine oil pressure sensor
31. air pressure sensor
32. brake light switch
33. alternator
34. brake light relay
35. battery disconnect switch
36. battery
37. left front turn signal and clearance
lights
38. right front turn signal and clearance
lights
39. work-light
40. electromagnetic valve of PTO clutch
41. seven-pin trailer socket
42. starting motor
43. PTO clutch switch
44. eight-position fuse box
45. license plate lights
46. four-position fuse box (for tractors
equipped with safety cab only)
47. grill-roof switch
29. horn
30. hand light jack
31. multi-position switch for turn signal,
horn and high beam headlights
32. grill headlights
33. work and fog light switch
34. tractor lightning switch
35. air pressure gauge
36. fog lights indicator lamp
37. tractor turn signal control light
37a. trailer turn signal control light (1
trailer)
37b. trailer turn signal control light (2
trailer)
38. indicator cluster lamps
39. tachometer (rpm) and hour meter
40. PTO shaft indicator lamp
41. thermostart indicator lamp
42. hazard control lamp
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