Body electrical systems 12" 9
bent or damaged. The actuator can be associated wiring. Removal of the motors and
checked by applying battery power regulators is described in Chapter 11. 22 Wiring diagrams -
momentarily. A discernible click indicates Diagnosis is usually limited to simple
general information
that the solenoid is operating properly. checks of the wiring connections and motors
for minor faults which can be easily repaired.
Since it isn t possible to include all wiring
These include:
21 Electric window system -
diagrams for every model year covered by this
a) Check the electric window switches for
description and check
manual, the following diagrams are those that
broken wires and loose connections.
2
are typical and most commonly needed.
b) Check the electric window fuse/and or
Prior to checking any circuit, check the
circuit breaker (where applicable).
fuses and circuit breakers to make sure they re
The electric window system operates the c) Remove the door trim panel(s) and check
electric motors mounted in the doors which the electric window motor wires to see if in good condition. Make sure the battery is
lower and raise the windows. The system they re loose or damaged. Inspect the fully charged and check the cable connections
consists of the control switches, the motors, window mechanisms for damage which (see Chapter 1). Make sure all connectors are
window mechanisms (regulators) and could cause binding. clean, with no broken or loose terminals.
Colour codes
BK Black GE Yellow GY Grey R Red SW Black VI Violet WS White
BL Blue GN Green OR Orange RS Pink TN Tan W White Y Yellow
BR Brown GR Green or Grey PK Pink RT Red V Violet
12
12" 10 Wiring diagrams
Typical starting, charging, horn, hazard flasher and direction indicators (1 of 4)
Wiring diagrams 12" 11
12
Typical headlights/foglights and interior lights (2 of 4)
12" 12 Wiring diagrams
Typical check control, electric mirrors, stop and parking light (3 of 4)
Wiring diagrams 12" 13
12
Typical instrument cluster and cigar lighter (4 of 4)
12" 14 Wiring diagrams
Typical Motronic system wiring diagram (1 of 2)
Wiring diagrams 12" 15
12
Typical Motronic system wiring diagram (2 of 2)
12" 16 Wiring diagrams
Key to Motronic engine control system wiring diagram
Key to cruise control system wiring diagram
Wiring diagrams 12" 17
12
Typical cruise control system wiring diagram
12" 18 Wiring diagrams
Typical wiring diagram for the central locking, burglar alarm, on-board computer, additional heater and digital clock (1 of 2)
Wiring diagrams 12" 19
12
Typical wiring diagram for the central locking, burglar alarm, on-board computer, additional heater and digital clock (2 of 2)
12" 20 Wiring diagrams
Key to wiring diagram for the central locking, burglar alarm, on-board computer, additional heater and digital clock
Wiring diagrams 12" 21
12
Typical headlight washer system wiring diagram
12" 22 Wiring diagrams
Key to headlight washer system wiring diagram
Key to electric window system wiring diagram
Wiring diagrams 12" 23
12
Typical electric window system wiring diagram
12" 24 Wiring diagrams
Typical heating and air conditioning system wiring diagram
Wiring diagrams 12" 25
Key to air conditioning system wiring diagram
Key to wiring diagram for heated seats
12
12" 26 Wiring diagrams
Typical heated seats wiring diagram
Wiring diagrams 12" 27
Key to wiring diagram for memory power seats
12
12" 28 Wiring diagrams
Typical wiring diagram for power seats with memory (1 of 2)
Wiring diagrams 12" 29
12
Typical wiring diagram for power seats with memory (2 of 2)
12" 30 Wiring diagrams
Typical wiring diagram for power seats without memory
Wiring diagrams 12" 31
Key to wiring diagram for power seats without memory
Key to radio wiring diagram
12
12" 32 Wiring diagrams
Typical radio wiring diagram  early models shown
Wiring diagrams 12" 33
12
Typical L-Jetronic system wiring diagram