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Jaguar XJ6 SIII

General Comment: The information shown here has been checked with my '86 XJ& SIII, German spec. It may be different for other model years or export markets.

Stefan Knappe

    Hidden line fuses on the Jaguar SIII

Cable Colours
Engine compartment, above battery
Horn, power circuit 
Center console, under gearlever surrounding plate
Front seat(s) height adjustment 
Center console, behind radio
power antenna 
Center console, right side of heater box
AC compressor clutch
Center console, right side of heater box
Cigar lighter
Center console. left side of heater box
AC amplifier
Trunk, underneath fuel injection ECU 
rear lamp, right side
red/black ring
Trunk, underneath fuel injection ECU
rear lamp, left side
red/yellow ring
Trunk, underneath fuel injection ECU
unused on my car, perhaps side markers ?
above aux. fusebox, under facia, right side
power door locks 
For those considering to fit a towing bar :
Behind the left rear lamp (has to be taken out) is a multiple connector (seven pins) for the electrical connection. It is taped to prevent the ingress of dirt. If you have the original Jaguar harness for the towing bar, it plugs right in. Standard 'bullet' connectors can be used instead to make your own wiring harness.

    Layout of electrical components, Jaguar SIII

Passenger cabin

A    Fusebox Panel, driver side
B    Fusebox panel, passenger side

1    Motor/solenoid, door lock
2    Motor, window winder
3    Door speaker
4    Cruise control, main switch
5    Bulb failure unit
6    Relay, heated rear window
7    Relay, ignition protection
8    Relay, direction indicator
9    Fusebox, main
10  Bulb failure unit
11  Device, low coolant warning
12  Protection switch, door locks
13  Delay unit, wiper motor
14  Fusebox, auxilary
15  Protection switch, power windows
16  Protection switch, power windows
17  Bulb failure unit
18  Vacuum delay unit
19  Relay. power windows
20  Switch, power mirrors
21  Motor, power seat height adjustment
22  Switch, power mirrors
23  Relay, power locking



1    Motor/Solenoid, trunk lid locking
2    ECU, fuel injection
3    Sending unit, fuel level
4    Fuel pump
5    Motor, antenna
6    Relay, antenna
7    Bulb failure unit, rear lamp
8    Bulb failure unit, rear lamp
9    Bulb failure unit, brake lamps
10  Motor, power sunroof

Engine bay, 6-cyl.


1    Motor, wiper
2    Diode block, fuel injection
3    Relay, fuel injection main
4    Relay, fuel pump
5    Relay, starter
6    Relay, dip/main beam
7    Fusebox, lights
8    Motor, headlamp wipe
9    Pump, windshield washer
10  Electric fan, radiator
11  Horns
12  Power resistors
13  Relay, horns
14  Relay, fan

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