Maserati Ghibli II
Schematic Electrical Wiring Diagrams
 
2.0 and 2.8-litre Production (1992-1998)

UPDATED: 21-08-2009
 
 Index to schematic electrical diagram
 Number  Component  Location  Number  Component  Location
 01  Front left headlamp    36  Relay for 2nd engine cooling fan (in engine bay fuse box)  B 3
  A  Dipped headlight  I 3  37  Relay for main beam headlight control (in engine bay fuse box)  A 2
  B  Main beam headlight  I 3  38  Relay for dipped headlight control (in engine bay fuse box)  C 2
  C  Headlight alignment corrector motor  I 3  39  Relay for foglights control (in engine bay fusebox)  A 2
 02  Front left lamps unit    40  Relay for air conditioner compressor control (in engine bay fusebox)  A 1
  A  Direction indicator  L 3  41  Start enable relay (in engine bay fuse box)  B 1
  B  Side light  L 4  42  Fuse protecting Ist engine cooling fan (in engine bay fusebox)  B 3
  C  Foglight  L 3  43  Fuse protecting 2nd engine cooling fan (in engine bay fusebox)  C 3
 03  Front left ground/earth  H 5  44  Fuse protecting main beam headlights (in engine bay fusebox)  A 3
 04  Wiring for headlight washer electric pump  I 4  45  Fuse protecting dipped headlights (in engine bay fusebox)  C 2
 05  Front left repeater indicator  I 9  46  Fuse protecting main beam headlights and headlight alignment corrector (in engine bay fusebox)  C 3
 *06  Front left brake pad wear sensor  L 7  47  Fuse protecting foglights (in engine bay fusebox)  A 2
 07  Ground out shock absorber  I 7  48  Fuse protecting air conditioner compressor (in engine bay fusebox)  C 1
 08  Brake fluid low level sensor  G 6  49  Alternator  H 4
 09  Sensor on front left wheel (ABS)  I 7  50  Engine oil low level sensor  G 3
 10  Motor for front left automatic suspension control system  G 7  51  Engine oil pressure sender and low engine oil pressure signalling switch  H 3
 11

 Window washer electric pump

  I 5  52  Engine coolant temperature sender and thermometric switch for high temperature indicator  H 2
 12  Electro-hydraulic control unit for wheel antilock system (ABS)  H 6  53  Air conditioner compressor  H 3
 13  Relay for wheel antilock system (ABS)  G 7  54  Starter motor  G 5
 14  Electronic control unit for wheel antilock system (ABS)  F 7  55  RPM sensor  G 3, G 4
 15  10A fuse protecting wheel antilock system (ABS)  G 6  56  Phase sensor  G 3, G 4
 16  25A fuse protecting wheel antilock system (ABS)  G 6  57  Electronic injection engine coolant temperature sensor  G 4, H 1
 17  50A fuse protecting wheel antilock system (ABS)  G 6  58  Knock sensor  G 3, G 4
 18  Connection between dashboard cable & wheel antilock system cable (ABS)  C 6  59  Overboost solenoid valve  Not shown
 19  Diagnostic socket for wheel antilock system (ABS)  F 7  60  Potentiometer on throttle valve  H 4
 20  Windscreen wiper control assembly    61  Auxiliary air solenoid valve  H 4
 21  Connection between dashboard cable and left engine bay cable  G 10  62  Air temperature sensor  F 5
 22  Front right headlamp    63  Absolute pressure sensor  F 5
  A  Dipped headlight  F 1  64  Ignition coil  F 3, F 4
  B  Main beam headlight  F 3  65  Spark plug  Not shown
  C  Headlight alignment corrector motor  F 1  66  Electronic ignition module  E 6
 23  Front right lamp units    67  Injector  F 4 & 5, G 4 & 5
  A  Direction indicator  G 2  68  Heated Lambda sensor  F 7, G 8 & H 9
  B  Side light  F 1  69  Interconnection between two banks of cylinders in injection system  E 4
  C  Foglight  G 2  70  Electronic injection control unit controlling cylinders 1,2,3  F 12
 24  Electrical horn  E 2  71  Electronic injection control unit controlling cylinders 4,5,6  G 13
 25  Electric vacuum pump  E 3  72  Electronic injection connector for cylinders 1,2,3  D 5
 26  Front right ground/earth  E 3  73  Electronic injection connector for cylinders 4,5,6  E 5
 27  Dipped headlight  D 5  74  Diagnostic socket for injection system - cylinders 1,2,3  F 7
 28  Sensor on front right wheel (ABS)  E 4  75  Diagnostic socket for injection system - cylinders 4,5,6  F 6
 29  Motor for front right automatic suspension control system  C 6  76  Relay controlling injectors and electronic injection control unit in injection system relays/fusebox  A 5, B 5
 30  First engine cooling fan  F 3  77  Relay supplying ignition coil (in injection system relays/fusebox)  A 5, B 5
 31  Second engine cooling fan  F 3  78  Relay controlling electric fuel pump and heated Lambda sensor On injector system relays/fusebox)  A 4
 32  Engine radiator cooling fan thermostatic switch  H 2  79  30A fuse protecting electronic injection system (in injection system relays/fusebox)  B 4
 33  External temperature sensor  I 3  80  30A fuse for heated Lambda sensor & electric fuel pump relay (in injector system relay/fusebox)  A 4
 34  3-level pressure switch  F 1  81  Connection between dashboard cable and engine bay cable (7-way connector)  C 6
 35  Relay for 1st engine cooling fan (in engine bay fuse box)  A 3  82  Connection between dashboard cable and engine bay cable (10-way connector)  D 7
 
 101  Connection between dashboard and ceiling lamp cable  D 7  242  15A fuse protecting tail lights/number plate lights (in boot fusebox)  D 7
 102  Front ceiling lamp illuminating the inside of the car  C 11  243  15A fuse protecting tear right/left ceiling lightstboot lights (in boot fusebox)  D 7
  A  Ceiling lamp illuminating lamp  C 11  244  Heated rear window  D 7
  B  Map reading lamp  C 11  245  Sensor on mar left wheel (ABS)  D 7
  C  Lamp illuminatingceiling lamp controls  C 11  247  Motor for rear left automatic suspension control system  D 7
  D  Ceiling lamp on/off switch  C 11  248  Left ceiling lamp illuminating boot  D 7
  E  Map reading lamp on/off switch  C 11  249  Rear left lamps unit  D 7
 103  Passenger sideilluminated sun visor  C 10  250  Left number plate light  D 7
 104  Steering column stalk unit  Not shown  251  Rear ground/earth  D 7
  A  Windscreen wiper switch  Not shown  252  Swiich controlling boot ceiling lamps  D 7
  B  Windscreen washer button  Not shown  253  Motor releasing boot lid  D 7
  C  Control switch for sidelights and main/dipped headlights  Not shown  254  Fuel level meter  D 7
  D  Direction indicators control switch  Not shown  255  Electric fuel pump cut-off switch  D 7
  E  Main beam headlight flasher button  Not shown  256  Fuel flap release motor  D 7
  F  Horn button  Not shown  257  Electric fuel pump  D 7
  G  Rheostat adjusting windscreen wiper intermittance  Not shown  258  Sensor on rear right wheel (ABS)  D 7
 105  Right ground/earth on heat sheild  F 5  260  Motor for rear right automatic suspension control system  D 7
 109  Control unit controlling electronically-adjusted suspension (KONI)  E 8  261  Right boot light  D 7
 110  Diagnosis connector for electronically-adjusted suspension  F 7  263  Battery  D 7
 111  Control assembly for electronically-adjusted suspension  G 10  264  Ground/earth on bodyshell  D 7
 112  Control assembly for electronically-adjusted suspension  E 8  265  Rear right lamps unit  D 7
 136  Interior temperature sensor  C 11  266  Right number plate light  D 7
 137  Air recirculation fan  C 11  267  Car braking central light  D 7
 162  Positive Node  F 6  269  Electrically-operated wing mirrors control assembly  D 7
 180  Console connector  F 8  271  Wing mirrors fold-in control unit  D 7
 184  Pulse generator for tachymetrical signal  G 15  *272  Left door light switch  D 7
 *193  Left door connector (black)  H 9  *273  Left door auxiliary switch  D 7
 *195  Fold-in motor and left wing mirror heater element  I 10  *274  Left door lock (complete with gear motor for locking/unlocking and control microswitch)  D 7
 *196  Console connector  I 10  *275  Right door lock (complete with gear motor for locking/unlocking and control microswitch)  D 7
 *199  Front left electric window motor  H 11  *276  Right door light switch  D 7
 *205  Wiring for woofer speaker on front left door  E 7  *277  Door open indicator  D 7
 *207  Right wing mirror fold-in motor and heater element  D 8  *277  Door open indicator  D 7
 *208  Right wing mirror vertical/horizontal positioning motor  E 8  289  General 50A fuse  D 7
 *210  Front right electric window motor  E 8  291  Windscreen wiper motor  D 7
 224  Right wiring connector (red)  G 9  292  Aerial wiring  D 7
 233  Lights control device (in boot fusebox)  G 19  293  Rear left ceiling lamp illuminating cabin  D 7
 235  Relay controlling heated rear window (in boot fusebox)  G 19  A  Ceiling lamp illumnation lamp  D 7
 236  Relay controlling rear foglights (in boot fusebox)  G 19  B  Ceiling lamp ON/OFF switch  D 7
 237  20A fuse protecting rear foglights (in boot fusebox)  G 19  294  Rear tight ceiling lamp illuminating cabin  D 7
 238  30A fuse protecting heated rear window (in boot fusebox)  G 19  A  Ceiling lamp illumination lamp  D 7
 239  7.5A fuse protecting left parking lights (in boot fusebox)  G 19  B  Ceiling lamp ON/OFF switch  D 7
 240  7.5A protecting right parking lights (in boot fusebox)  G 19  295  Connection between dashboard cable and engine bay cable
 (29- or 23-way connector depending on the car)		  D 7
 241  Diode bridge in boot fusebox  G 19      
 Index to dashboard schematic electrical diagram
 Number  Component  Location  Number  Component  Location
 18  Connection between dashboard cable & wheel antilock system cable (ABS)  C 19  140  30A fuse protecting steering column lock (in LH fusebox)  H 1
 21  Connection between dashboard cable and left engine bay cable  F 7  141  Services relay (in LH fuse box)  E 4
 72  Electronic injection connector for cylinders 1,2,3  D 18  142  30A fuse protecting car stop lights (in LH fuse box)  G 1
 73  Electronic injection connector for cylinders 4,5,6  D 19  143  Positive junction (in LH fuse box)  H 2
 81  Connection between dashboard cable and engine bay cable (7-way connector)  D 16  144  10A fuse protecting radio (in LH fuse box)  F 4
 82  Connection between dashboard cable and engine bay cable (10-way connector)  D 17  146  10A fuse protecting hazed lights and cluster (in LH fuse box)  E 1
 86 Instrument panel  D 10  147  7.5A fuse protecting rheostat adjusting cluster illumination (in LH fuse box)  G 4
  A  Left direction indicator light  C 10  149  30A fuse protecting steering column stalk unit (in LH fuse box)  E 3
  B  Heated rear window indicator  D 9  150  Direction indicator/hazard lights flasher unit (in LH fuse box)  F 4
  C  Rear foglights indicator  C 10  151  Relay controlling electric horns (in LH fuse box)  G 4
  D  Front foglights indicator  C 8  152  30A fuse protecting windscreen wiper control (in LH fuse box)  F 1
  E  Main beam headlights indicator  C 9  154  7.5A fuse protecting button lights (in LH fusebox)  F 4
  F  Dipped headlights/side-tail lights indicator  Not shown  155  7.5A fuse protecting heated rear window (in LH fusebox)  E 1
  G  Side lights, tail lights, number-plate lights, stop lights faulty indicator  Not shown  156  7.5A fuse protecting boot/fuel flap release device (in LH fusebox)  E 1
  H  Injection system faulty indicator  Not shown  157  15A fuse protecting clock, radio memories and air conditioner (in LH fusebox)  F 1
  I  Wiring for electronic clutch indicator  Not shown  158  30A fuse protecting hazard lights (in LH fusebox)  G 1
  J

 Seatbelts not buckled indicator

  Not shown  160  7.5A fuse protecting electric mirrors and left-hand door lights (in LH fusebox)  F 1
  K  Wheel antilock system faulty indicator (ABS)  Not shown  161  30A fuse protecting electric horns (in LH fusebox)  F 1
  L  Brake linings worn/brake fluid level low indicator  Not shown  164  Car braking signalling switch  H 8
  M  Handbrake ON indicator  Not shown  165  30A fuse protecting steering column stalk unit (in LH fuse box)  H 18
  N  Engine low oil level indicator  Not shown  166  Control unit with buzzer for seatbelts/lights ON (in RH fusebox)  G 18
  O  AIRBAG circuit faulty indicator  Not shown  168  30A fuse protecting cigar lighter and door lock (in RH fusebox)  G 18
  P  Right direction indicator light  Not shown  169  Seat protection (in RH fuse box)  G 20
  Q  Cluster illumination lamps  Not shown  170  30A fuse protecting front electric windows (in RH fusebox)  H 20
  R  Engine low oil pressure indicator  Not shown  171  Door lock control unit (in RH fusebox)  F 18
  S  Engine oil pressure gauge  Not shown  172  7.5A fuse protecting ceiling lamps illuminating the inside of the car/right door lights (in RH fusebox)  Not shown
  T  Engine coolant temperature gauge  Not shown  173  7.5A fuse protecting suspension, ABS, vacuum pump, seat-belts buzzer
 and front inside lights (in RH fusebox)		  H 18
  U  Engine coolant temperature high indicator  Not shown  174  Positive junction (in RH fuse box)  H 20
  V  Speedometer  Not shown  175  Air conditioner control relay (in RH fuse box)  E 20
  W  Turbo overpressure pressure/vacuum meter  Not shown  176  30A fuse protecting air conditioner (in RH fusebox)  G 20
  X  Rev counter  Not shown  177  Electric windows control relay (in RH fusebox)  F 20
  Y  Cluster illumination dimmer  Not shown  178  7.5A fuse protecting oil level control unit (in RH fusebox)  F 18
  Z  Fuel level gauge  Not shown  180  Console connector  G 15
 AA  Fuel reserve indicator  Not shown  183  Handbrake ON signalling switch  M 19
 AB  Voltmeter  Not shown  185  Cigar lighter  M 20
 AC  Battery charge low indicator  Not shown  186  Seatbelts not buckled signalling switch  M 18
 AD  Electronic control unit for processing outside temperature switch
 and icy road surface indicator (*C/*F)		  Not shown  187  Console ground/earth  G 14
 88  Cabin left-hand ground/earth  E 6  188  Automatic transmission illumination  L 16
 89  Wiring for buzzer  E 5   A  For manual transmission versions  L 16
 97  2-way connector for EKS wiring  E 5   B  For automatic transmission versions  L 16
 98  6-way connector for EKS wiring  F 4  189  Switch for backup lights and automatic transmission start-up enable device  I 16
 99  Ignition switch  F 12   A  For manual transmission versions  I 16
 100  Wiring for headlights diode  B 17   B  For automatic transmission versions  I 16
 101  Connection between dashboard cable and ceiling lamp cable  A 20  192  Wiring for car radio  F 15
 104  Steerine column stalk unit  G 12  193  Left door connector (black)  H 5
  A  Windscreen wiper switch  G 12  206  Right door connector (black)  D 20
  B  Windscreen washer button  G 12  224  Right wiring connector (red)  F 7
  C  Control switch forside/tail lights, main/dipped headlights unit  G 12  270  Wing mirrors fold-in control  E 11
  D  Direction indicators control switch  G 12  277  Door open indicator  C 16
  E  Main beam headlights flasher button  G 12  278  10A fuse protecting right door light (in RH fuse box)  H 18
  F  Horn button  G 12  279  30A fuse protecting seats adjustment (in RH fuse box)  F 18
  G  Rheostat adjusting winscreen wiper intermittance  G 12  280  7.5A fuse protecting centre ceiling lamp (in RH fuse box)  H 19
 107  Analogue clock  D 14  281  Left electric window button pad on console  I 16
 109  Control unit controlling electronically-adjusted suspension (KONI)  D 18  282  Right electric window button pad on console  I 17
 114  Front fog lights switch  F 13  283  Button pad controlling driver's seat back adjustment  I 17
 115  Rear fog lights switch  G 13  284  Button pad controlling passenger's seat back adjustment  L 18
 116  Heated rear window switch  G 16  285  Motor adjusting driver's seat back  M 15
 117  Hazard lights switch  G 16  286  Motor adjusting passenger's seat back  I 19
 118  Clock illumination switch  C 15  287  Parking lights switch  G 9
 119  Fuel flap release switch  C 15  288  Rear fog lights circuit diodes  I 19
 120  Boot release switch  C 16  290  Windscreen wiper timer  H 4
 123  Connection between dashboard cable and air conditioner cable (black)  F 15  295  Connection between dashboard cable and engine bay cable
 (29- or 23-way connector depending on the car)		  D 17
 139  Car alarm connector  E 4         



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