Jaguar XJ-S (XJS) 1990–1991 Fuse Box Diagrams

The Jaguar XJ-S (later XJS) is a grand tourer built from 1975 to 1996 as a coupé, cabriolet and convertible, with the 5.3/6.0 V12 and the AJ6 3.6/4.0 straight-six. It carries four fuse panels: a main and an auxiliary panel on the component panels inside the car, and two under-hood panels known simply as the black and the white panel.

Production: 1975–1996 · Platform: XJS · Model year: 1990–1991

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

Fuse box locations

ABS Fuse Panel (Right Component Panel) — Passenger compartment, right component panel
Auxiliary Fuse Panel (Right Footwell) — Passenger compartment, right component panel
Convertible Top Fuse — Convertible top component panel (convertible only)
In-line Fuses (Outside the Fuse Panels) — Not in a fuse panel — in the harness, see each location
Main Fuse Panel (Left Footwell) — Passenger compartment, left component panel
Under Hood Fuse Panel — Black — Engine compartment
Under Hood Fuse Panel — White — Engine compartment

ABS Fuse Panel (Right Component Panel)

Passenger compartment, right component panel

Factory name: ABS Fuse PanelAlso called: ABS fuse, anti-lock brake fuse, brake fuse panel

Fuse list — ABS Fuse Panel (Right Component Panel)

Fuse	Rating	Circuit
F1	30 A	Anti-lock braking, direct battery feed
F2	30 A	Anti-lock braking, direct battery feed

Auxiliary Fuse Panel (Right Footwell)

Passenger compartment, right component panel

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

The fuse positions on this diagram are drawn to match the panel itself; ratings and circuit descriptions are those of this model year. One row of six positions. The factory drawing numbers them right to left — position 6 is the leftmost — and the ratings printed in the drawing only line up with the factory table when read that way. The same panel is fitted to the 1989–1991 cars: all six ratings match the 1988 publication.

Fuse list — Auxiliary Fuse Panel (Right Footwell)

Fuse	Rating	Circuit
F1	5 A	Interior lighting
F2	2 A	Left front parking and marker lights
F3	2 A	Right front parking and marker lights
F4	10 A	Cigar lighter
F5	25 A	Climate control — compressor clutch and blower feed
F6	3 A	Cruise control

Relay	Identification
ABS pump relay	Yellow body, Black base
Cigar lighter and window relay	Yellow body, Black base
Interior light delay unit	Red body, Red base
Right seat heater timer	White body, Black base

Convertible Top Fuse

Convertible top component panel (convertible only)

Factory name: Convertible Top FuseAlso called: convertible top fuse, soft top fuse, roof motor fuse

Fuse list — Convertible Top Fuse

Fuse	Rating	Circuit
F1	30 A	Convertible top

In-line Fuses (Outside the Fuse Panels)

Not in a fuse panel — in the harness, see each location

Factory name: In-line FusesAlso called: in-line fuse, inline fuse in the harness, lumbar motor fuse

This box is not described separately for this model year; the layout and ratings below are carried over from 1988. Check them against the label on your own box.

Fuse list — In-line Fuses (Outside the Fuse Panels)

Fuse	Rating	Circuit
Air conditioning clutch relay	10 A	In-line fuse at the right front inner fender
Antenna	10 A	In-line fuse at the right rear inner fender
Cooling fan	20 A	In-line fuse at the radiator support bracket
Left tail light bulb failure	3 A	In-line fuse at the left rear inner fender
Radio	1 A	In-line fuse behind the radio unit
Right tail light bulb failure	3 A	In-line fuse at the right rear inner fender

Main Fuse Panel (Left Footwell)

Passenger compartment, left component panel

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

The fuse positions on this diagram are drawn to match the panel itself; ratings and circuit descriptions are those of this model year. The panel is drawn as printed in the factory publications: two rows of ten, positions 1–10 along the top row and 11–20 along the bottom row, both left to right. The same panel drawing appears in the 1988 and in the 1990 Model Year Update, and the same panel is fitted to the 1989 cars.

Fuse list — Main Fuse Panel (Left Footwell)

Fuse	Rating	Circuit
F1	10 A	Fog lights
F2	7.5 A	Hazard warning; turn signals
F3	15 A	Trunk lights; radio antenna
F4	7.5 A	Reverse lights; trip computer; instrument panel (ignition position 2)
F5	10 A	Brake lights; hazard switch; transmission kickdown; cruise control (ignition positions 1 and 2)
F6	—	Not used
F7	5 A	Panel lights; radio illumination
F8	7.5 A	Door locks; power mirrors
F9	15 A	Windshield wipers and washers
F10	25 A	Climate control blowers
F11	2 A	Climate control; cooling fan; windshield wiper feed
F12	15 A	Heated rear window; heated door mirrors
F13	10 A	Right seat heater
F14	5 A	Right seat power lumbar support
F15	3 A	Instrumentation; trip computer (battery feed)
F16	—	Not used
F17	—	Not used
F18	—	Not used
F19	10 A	Left seat heater
F20	5 A	Left seat power lumbar support

Relay	Identification
Brake warning light inverter relay	Green body, Red base
Bulb check unit	Black body, White base
Fog light relay	Yellow body, Red base
Heated rear window timer	Yellow body, Yellow base
Left seat heater timer	White body, White base
Load relay	Silver body, Black base
Seat relay	Silver body, Black base
Turn signal flasher	Black body, Blue base
Washer pump relay	Black body, White base

Under Hood Fuse Panel — Black

Engine compartment

Factory name: Under Hood Fuse Panel (Black)Also called: engine bay fuse box, under the bonnet fuse box, under the hood fuse box

Fuse list — Under Hood Fuse Panel — Black

Fuse	Rating	Circuit
F1	—	Not listed
F2	7.5 A	Right headlight — low beam
F3	10 A	Right headlights — high beam
F4	7.5 A	Left headlight — low beam
F5	10 A	Left headlights — high beam
F6	15 A	Horns

Under Hood Fuse Panel — White