Air conditioner (1910 75 DH7)

Air conditioner (1910 75 DH7)

Model: 1910 75 DH7

Key to components

1. 3 Power fuse box:
2. A 50A fuse protecting fuel injection system
3. B 40A fuse protecting ignition system
4. C 60A fuse protecting additional optional extras
5. D 80A fuse protecting fuse and relay unit
6. 4 Fuse and relay unit:
7. E1 Ignition switch discharge relay
8. 7 Stake unit
9. 8 Front left earth
10. 9 Front right earth
11. 10 Battery earth on body shell
12. 11 Battery
13. 12 Ignition switch
14. 13 Front right/left cables connection
15. 55 Front/engine cables connection
16. 120 Air conditioner cables connection
17. 121 Three-stage pressure switch
18. 122 Engine cooling fan low speed relay
19. 123 Engine cooling fan high speed timer
20. 123A Engine cooling fan high speed relay
21. 124 Air conditioner compressor relay
22. 126 Front/air conditioner cables connection
23. 127 Connection between front left cables/cable on relay bracket
24. 128 Front/air conditioner cables connection
25. 129 40A power fuse protecting engine cooling fan
26. 147 Compressor for air conditioner
27. 154 Engine cooling fan
28. 170 Engine cooling fan limiting resistor
29. 172 Two-stage thermostat
30. 202 Bulbs lighting heater/air conditioner unit
31. 203 Air conditioner controls:
32. A Switch for switching on air conditioner
33. B Air conditioner recirculation switch
34. 204 Air conditioner fan 1st speed relay
35. 205 Air conditioner fan relay
36. 206 Heater/air conditioner electric fan
37. 207 Heater/air conditioner speed control switch
38. 208 Limiting resistor for heater/air conditioner
39. 209 Actuator controlling exterior air/recirculation flap
40. 210 Electronic thermostat cables connection
41. 211 Electronic thermostat (N.T.C.)
42. 232 Compressor earth
43. 233 Thermostat on coolant pump
44. 235 Air conditioner compressor cables connection
45. 236 Front/air conditioner cables connection
46. 237 Additional engine cooling fan
47. 238 40A fuse protecting engine cooling fan
48. 249 E.G.R. electronic control unit
49. 253 Relay switching off compressor

N.D. Ultrasound-soldered joint taped in wiring loom

Front/air conditioner cables connection

Front/air conditioner cables connection

Connection between front left cables/cable on relay bracket

The cables involved in the wiring diagram are marked with a solid square

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