Jaguar XJ12 (XJ81) 1994 Fuse Box Diagrams

The Jaguar XJ12 (XJ81) is the twelve-cylinder version of the XJ40 saloon, built for the 1993 and 1994 model years with the 6.0 V12. It shares the XJ40 body and its fuse panels — left and right panels of 27 fuses in the front footwells plus a centre panel of 10 — but carries its own circuit assignments, including twin fuel pumps and V12 engine management.

Production: 1993–1994 · Platform: XJ81 · Model year: 1994

Not sure which model year your car is? Decode your VIN — the result links straight to the right fuse boxes.

Fuse and relay locations

Center Fuse Panel (Console) — Center console
Left Fuse Panel (Footwell) — Left front footwell, against the door pillar
Relays and Relay Modules
Right Fuse Panel (Footwell) — Right front footwell, against the door pillar

Center Fuse Panel (Console)

Center console

Factory name: Center Fuse PanelAlso called: centre console fuse panel, interior fuse panel

Fuse list — Center Fuse Panel (Console)

Fuse	Rating	Circuit
F1	5 A	Generator (regulator); Right front bulb failure module (relays): right headlight low beam, fog light; Left rear bulb failure module (relays): fog light, reverse light
F2	5 A	Passenger's seat heater relay; Wiper fast / slow relay; Driver's seat heater relay; CPU ignition-on input; Lighting logic unit
F3	5 A	Left front bulb failure module (relays): left headlight low beam, fog light; Right rear bulb failure module (relays): fog light, reverse light; High mount stop light; Fuel pump control module
F4	5 A	Ride leveling
F5	5 A	Cruise control
F6	5 A	Cigar lighter relay; Starter relay; Transmission solenoids; Transmission mode switch illumination
F7	5 A	Heated washer jets sensor; Motorized aspirator
F8	5 A	ABS ECU, ABS main relay
F9	5 A	Instrument pack
F10	5 A	Transmission control module

Left Fuse Panel (Footwell)

Left front footwell, against the door pillar

Factory name: Left Fuse PanelAlso called: kick panel fuse box, interior fuse panel, under the dash fuse panel

The box outline on this diagram is drawn from photographs of the actual fuse box; ratings and circuit descriptions are verified against the fuse table for this model year.

Fuse list — Left Fuse Panel (Footwell)

Fuse	Rating	Circuit
A1	10 A	Driver's seat ECU and memory; Mirror heaters; Dimmer
A2	30 A	Cooling fans
A3	3 A	Not used
A4	25 A	Driver's seat power
A5	3 A	Lighting logic; Ignition on relay; Passenger's seat control; Radio memory; Transmission ECU memory; Center console, LCD lock
A6	10 A	Purge control valve; Air injection pump; Data link power
A7	30 A	Cooling fans relay module
A8	20 A	Windshield wiper motor
A9	3 A	Not used
B1	30 A	Left rear window lift; Driver's window lift
B2	20 A	Sun roof
B3	3 A	Not used
B4	20 A	Left blower
B5	10 A	Instrument pack
B6	10 A	Security ECU
B7	3 A	Not used
B8	15 A	Left rear lights: fog light, reverse light, turn signal, stop light
B9	30 A	ABS power
C1	20 A	Engine management system power
C2	10 A	Interior lights; Cigar lighter illumination, hood lights
C3	10 A	CPU power
C4	10 A	Gear shift interlock
C5	25 A	Left windshield heater
C6	30 A	ABS pump
C7	7.5 A	Left front side marker, turn signal, side light; Left rear tail, license, side marker lights
C8	15 A	Left headlight high beam
C9	15 A	Left headlight low beam, left front fog light

Relays and Relay Modules

Factory name: Relays and Relay ModulesAlso called: relay box, relay panel, relay module, horn relay, starter relay

Relays — Relays and Relay Modules

Relay	Function	Identification
A/C clutch relay		Light blue body, green base
ABS main relay		White body, yellow base
ABS pump relay		Yellow body, black base
Air injection relay		Light blue body, red base
Cooling fans control relay module		Green body, black base
D1	Headlight power wash	Relay module D, red
D2	Windshield wash	Relay module D, red
D3	Horn	Relay module D, red
D4	Right headlight flash (security system)	Relay module D, red
E1	Wiper motor	Relay module E, black
E2	Wiper slow / fast	Relay module E, black
E3	Not used	Relay module E, black
E4	Seat back lights	Relay module E, black
F1	Right windshield heater	Relay module F, red
F2	Left windshield heater	Relay module F, red
F3	Interior lights	Relay module F, red
F4	Door guard lights	Relay module F, red
Fuel injection main relay		Light blue body, black base
Fuel pump 1 relay		Light blue body, black base
G1	Door unlock	Relay module G, blue
G2	Door lock	Relay module G, blue
G3	Mirror heaters	Relay module G, blue
G4	Starter	Relay module G, blue
H1	Auxiliary power	Relay module H, yellow
H2	Side lights positive	Relay module H, yellow
H3	Auxiliary side lights	Relay module H, yellow
H4	Cigar lighter	Relay module H, yellow
Ignition on relay		Light blue body, black base
K1	Heated rear window	Relay module K, blue
K2	Antenna up	Relay module K, blue
K3	Antenna down	Relay module K, blue
K4	Not used	Relay module K, blue
L1	High mount stop light	Relay module L, black
L2	Trunk release	Relay module L, black
L3	Left headlight flash (security system)	Relay module L, black
L4	Fuel pump 2	Relay module L, black
M1	Right seat heater	Relay module M, blue
M2	Left seat heater	Relay module M, blue
M3	Key lock solenoid	Relay module M, blue
M4	Gear shift solenoid	Relay module M, blue
Oxygen sensor heater relay		Light blue body, yellow base

Right Fuse Panel (Footwell)

Right front footwell, against the door pillar

Factory name: Right Fuse PanelAlso called: kick panel fuse box, interior fuse panel, under the dash fuse panel