ELECTRICAL SYSTEM
12
ASTRA HD8Ec
SECTION 17
4 - DIGIT CABLE COLOUR CODES
0300
6-diode self-rectifying alternator
0000
General earth
0001
Radio set insulated earth
0002
Hazard lights earth
0003
Earth of ceiling lamp switch on device (door post switch)
0004
UNIC project: parking lights insulated earth (dangerous cargo vehicles)
0005
Earth of trailer brake/exhaust brake interlock relay
0006
Earth of rheostat connected optical indicators
0007
Earth of stop rerequest optical indicator switch off relay
0008
Earth of starter motor relay
0009
Earth of windshield wiper unit fixed stop
0010
Earth of ceiling lamp switch on device (switch/lamp)
0011
Earth of rear door open optical indicator
0012
Earth of main current relay
0013
Earth of exhaust brake enablement relay
0014
Earth of ventilation motors operation relay
0015
Earth of auxiliary heater water recirculating pump motor
0016
Earth of relay for windshield heater/defroster operation (water auxiliary heater)
0017
Earth of front door open optical indicator
0018
Hydraulic braking system signal
0019
Earth of MS6 control unit terminal 8
0020
Earth of heater mirror relay excitation device (relay control unit)
0021
Insulated earth of MS6 control unit terminal 25
0022
Auxiliary heater insulated earth
0023
Earth of flasher light optical indicators
0024
Earth of optical indicators connected to lamp test pushbutton
0025
Earth of emergency optical indicator (central safety unit)
0027
Terminal 85 of Retarder/ABS operation relay
0028
KICKDOWN signal
0030
Earth supply for engine rpm diagnosis sensor no. 1 (n=1/1) and engine rpm electronic sensor
0031
Earth supply for engine rpm diagnosis sensor no. 2 (n=1/1)
0032
Earth supply for engine rpm diagnosis sensor (n=1/2 injection pump)
0033
Hydraulic brake solenoid valve control
0034
Hydraulic brake reducing solenoid valve control
0035
Thermometric switch controlling relais for gas oil heating
0036
Earth of centre door open relay
0037
Earth of belt warning lamp excitation relay
0038
Earth of key rotation inhibiting solenoid valve
0040
Cross differential lock switch off control
0041
Cross differential lock switch on control
0043
Insulated earth on exhaust brake control circuit
0044
Earth of belt control warning lamp
0045
Insulated earth for exhaust brake “R2” resistor