KEY TO THE WIRING DIAGRAMS WWMMWW om Use the one key to identify components on these wiring diagrams. Refer to the appropriate wiring diagram for your car, and disregard any additional numbered items appearing in the .5 Description Alternator or dynamo. Control box. Batteries-volt. Starter solenoid. Starter motor. Lighting switch. Headlamp dip switch. R.H. headlamp. . L.H. headlamp. High-beam warning lamp. 09.???fo F.. vIP . R.H. parking lamp. It .N L.H. parking lamp. . b) a Panel lamp switch or rheostat switch. 14. Panel lamps. 15. Number-plate illumination lamp. l6. R.H. stop and tail lamp. 17. L.H. stop and tail lamp. 18. Stop lamp switch. 19. Fuse unit. 20. Interior courtesy lamp or map light (early cars). 21. R.H. door switch. 22. L.H. door switch. 23. Horns. 24. Hem-push. 25. Flasher unit. 26. Direction indicator switch. or 26. Direction indicator/headlamp asher. or 26. Combined direction indicator] headlamp asher/headlamp high- low beam/horn-push switch. or 26. Combined direction indicator] headlamp asher/headlamp high- low beam switch. 27. Direction indicator warning lamps. 28. R.H. front asher lamp. 29. L.H. front asher lamp. key and not on your diagram. No. Description 30. R.H. rear asher lamp. 31. L.H. rear asher lamp. 32. Heater booster motor switch. 33. Heater booster motor, or fresh-air motor. 34. Fuel gauge. 35. Fuel gauge tank unit. 36. Windshield wiper switch. 37. Windscreen wiper motor. 38. Ignition/starter switch. 39. Ignition coil. 40. Distributor. 41. Fuel pump. 43. Oil pressure gauge. 44. Ignition warning lamp. .45. Speedometer. 46. Coolant temperature gauge. 47. Coolant temperature transmitter. 49. Reverse lamp switch. 50. Reverse lamp. 53. Fog and driving lamp switch. 54. Driving lamp. 55. Fog lamp. 57. Cigar-lighter illuminated. 59. Map light switch (early cars). 60. Radio. 64. Bi-metal instrument voltage stabili- zer. 65. Luggage compartment lamp switch. 66. Luggage compartment lamp. 67. Line fuse. 68. Overdrive relay unit. 71. Overdrive solenoid. 72. Overdrive manual control switch. 73. Overdrive gear switch. 74. Overdrive throttle switch. CABLE COLOUR CODE N. Brown. P. Purple. W. White. U. Blue. G. Green. Y. Yellow. R. Red. LG. Light Green. B. Black. 0. Orange. No. 76. 77. 82. 95. 101. 102. 115. 116. 118. 131. 147. 150. 152. 153. 154. 159. 160. 168. 169. 170. 171. 172. 173. 174. 198. 199. 200. 201. 202. 203. When a cable has two colour code letters the rst denotes the main colour and the second denotes the tracer colour. Description Automatic gearbox gear selector illumination lamp. Windscreen washer pump. Switch illumination lamp. Tachometer. Courtesy or map light switch. Courtesy or map light. Heated back-light switch Heated back-light Combined windshield washer and wiper switch. }GT only. Combined reverse lamp switch and automatic transmission safety sw1tch. Oil pressure transmitter. Heated back-light warning lamp (GT only). Hazard warning lamp. Hazard warning switch. Hazard warning asher unit. Brake pressure warning lamp and lamp test push. Brake pressure failure switch. Ignition key audible warning buzzer. Ignition key audible warning door switch. R.H. front side-marker lamp. L.H. front side-marker lamp. R.H. rear side-marker lamp. L.H. rear side-marker lamp. Starter solenoid relay. Drivers seat belt buckle switch. Passengers seat belt buckle switch. Passengers seat switch. Gearbox switch seat belt warning. Warning lightfasten belts. Line diode. 312 MGB. Issue 1. 82448