Fuses and relays Ford Mondeo Mk3 (CD132), 2000–2007

The third-generation Ford Mondeo Mk3 ( CD132 platform) was produced from 2000 through 2007 in sedan, station wagon, and hatchback body styles with both petrol and diesel engine options. This series underwent major design and technical revisions compared to its predecessors, featuring a larger and more rigid chassis. 

This guide details the fuse and relay box locations, photographs, and wiring diagrams for the Ford Mondeo Mk3. The fuse assigned to the “Cigarette lighter” is highlighted in bold. The locations of all electronic control units (ECUs) are also listed below.

General Component Layout

Location of electronic control units (ECUs).

No.	Description
1	A/C Compressor Clutch Diode – engine compartment fuse/relay box (BJB)
2	Wide-Open Throttle (WOT) A/C Cut-Off Relay – engine compartment fuse/relay box
3	A/C Control Module / Automatic Climate Control Unit
4	A/C Fuse – engine compartment fuse/relay box (Fuse F31)
5	A/C Fuse – central junction box (under-dash), Fuse F65
6	A/C Fuse – central junction box (under-dash), Fuse F76
7	A/C Fuse – central junction box (under-dash), Fuse F82
8	Blower Motor Control Module (Automatic Temperature Control)
9	Anti-Theft Alarm Control Module – integrated into General Electronic Module (GEM)
10	Rain / Sunlight Sensor – interior rearview mirror
11	Main Battery
12	Auxiliary Coolant Heater Relay 1
13	Auxiliary Coolant Heater Relay 2
14	Cruise Control Module – petrol models
15	Cruise Control Servo / Actuator
16	Data Link Connector (DLC / OBD-II)
17	Daytime Running Lights (DRL) Relay – adjacent to central junction box
18	Engine Compartment Fuse / Relay Box (Battery Junction Box - BJB)
19	Passenger Compartment Fuse / Relay Box (Central Junction Box - CJB)
20	Front SRS Impact Sensor(s) – engine compartment
21	Auxiliary Fuse 1 (7.5 A, multimedia control unit) – under center console
22	Auxiliary Fuse 2 (3 A, CD changer) – beneath front passenger seat
23	Xenon / HID Headlight Control Module – integrated into headlight assembly
24	Headlight Washer Pump Relay – beneath central junction box
25	Blower Motor Resistor (manual temperature control)
26	Dual Horn Assembly – engine compartment
27	PATS / Immobilizer Control Module
28	Turn Signal Flasher Relay – integrated into General Electronic Module (GEM)
29	Inertia Fuel Shut-Off (IFS) Switch – behind left-hand cowl trim panel
30	Instrument Cluster Control Module (ICM)
31	Navigation Control Module – dashboard assembly
32	General Electronic Module (GEM) / Multifunction Control Unit – Functions: Front windscreen wipers/washers, rear window wiper/washer, heated windscreen, heated rear window, central locking, remote keyless entry, anti-theft alarm, direction indicators, headlights-on warning chime, door-ajar warning, charging system indicator, seatbelt reminder, glow plug indicator
33	Multimedia / Infotainment Control Module
34	Ambient Outside Air Temperature Sensor – behind front bumper
35	Park Assist Control Module
36	Trailer Fog Lamp Relay – luggage compartment, left side
37	Seatbelt Warning Control Module (from 09/02) – beneath passenger seat
38	Side SRS Impact Sensors – left/right door sills
39	SRS / Airbag Control Module – lower center console
40	Telematics Control Unit
41	Hands-Free Telephone Control Module
42	Trailer Towing Module 1 – luggage compartment, left side
43	Trailer Towing Module 2 – luggage compartment, left side
44	Transmission Control Module (TCM, 5-speed automatic) – lower left A-pillar
45	Vehicle Speed Sensor (VSS) – transmission casing
46	Windscreen / Headlight Wiper Control Module – behind instrument panel

Engine Compartment Fuse Box

This fuse and relay box (Battery Junction Box) is located on the left side of the engine compartment, adjacent to the headlight assembly, under a protective plastic cover.

A full component designation diagram is printed on the underside of the box cover.

Diagram
No.	Fuse Designation & Rating
1	30 A – Anti-lock Braking System (ABS) pump
2	50 A – Ignition switch relay supply
3	60 A – Glow plug pre-heater (Diesel models)
4	30 A – Heated rear screen
5	20 A – Heated seats (facelift models)
6	40 A – Climate control blower fan
7	50 A – Main power supply feed (CJB)
8	60 A – Engine cooling fan, glow plug pre-heater relay
9	20 A – Powertrain Control Module (PCM) relay
10	40 A – Engine cooling fan
11	30 A – Heated windscreen (left side)
12	Spare / Unused
13	30 A – Heated windscreen (right side)
14	Spare / Unused
15	3 A – Heated windscreen logic control
16	7.5 A – Halogen headlamps: Left low beam 20 A – Xenon HID headlamps: Left low beam
17	10 A – Automatic transmission control module
18	7.5 A – Halogen headlamps: Right low beam 20 A – Xenon HID headlamps: Right low beam
19	Spare / Unused
20	20 A – Anti-lock Braking System (ABS) module
21	15 A – Main lighting switch
22	20 A – Headlight washer relay
23	7.5 A – Alarm backup battery (ST220 models) 20 A – Auxiliary fuel-fired heater (Diesel models)
24	20 A – Central locking system
25	15 A – Hazard warning lights & direction indicators
26	20 A – Horn relay supply
27	15 A – Fuel pump relay, heated windscreen logic
28	20 A – Ignition switch supply
29	30 A – Starter motor relay
30	7.5 A – Alternator / Smart charge system
31	7.5 A – Air conditioning compressor clutch
32	3 A – Powertrain Control Module (PCM), automatic transmission
33	7.5 A – Powertrain Control Module (PCM) main relay supply
34	Electronic Engine Control (EEC) module diode
35	A/C Compressor Clutch Diode
36	Engine Cooling Fan Diode
37	15 A – Heated Oxygen Sensor (HEGO)
38	Unused
39	Unused
40	7.5 A – Vehicle speed sensor, engine management solenoid valves
41	Unused
42	10 A – Powertrain Control Module (PCM, petrol) 15 A – Powertrain Control Module (PCM, diesel)
R1	Dipped beam (low beam) relay
R2	Heated windscreen relay
R3	Horn relay
R4	Fuel pump relay
R5	Powertrain Control Module (PCM) power relay
R6	A/C compressor clutch relay
R7	Engine cooling fan relay
R8	Auxiliary heater relay (Diesel) / Reversing lamp relay (ST220 Automatic)
R9	Engine cooling fan relay / Reversing lamp relay (Automatic Diesel)
R10	Starter motor relay

Passenger Compartment Fuse Box

Located on the driver’s side, beneath the dashboard, behind the glovebox / access panel.

Sample location diagram shown below.

Diagram
No.	Description
60	25 A – Power windows (left side)
61	25 A – Power windows (right side)
62	15 A – Front and rear fog lamps
63	7.5 A – Side lamps / position lamps (right side)
64	7.5 A – Side lamps / position lamps (left side)
65	7.5 A – Air conditioning system module
66	30 A – Power driver’s seat adjustment
67	7.5 A – Anti-theft alarm system
68	15 A – Cigarette lighter / 12V power socket
69	7.5 A – Audio system, instrument cluster supply
70	15 A – Auxiliary rear 12V power outlet (Estate / Station Wagon)
71	10 A – Rear seat entertainment system
72	20 A – Audio head unit / radio
73	20 A – Electric sunroof
74	20 A – Trailer socket power supply
75	7.5 A – Power door mirrors
76	7.5 A – Air conditioning control module
77	7.5 A – Anti-lock Braking System (ABS), Traction Control System (TCS/ESP)
78	7.5 A – Instrument cluster, Supplemental Restraint System (Airbag module)
79	Spare / Unused
80	7.5 A – Automatic transmission, reversing lamps
81	7.5 A – Cabin temperature sensor (ATC), automatic transmission control, passenger airbag deactivation sensor
82	7.5 A – Cruise control, air conditioning, heated washer jets, auxiliary heater
83	15 A – Heated seat elements
84	20 A – Daytime running lights (DRL)
85	7.5 A – Left main beam (high beam)
86	7.5 A – Right main beam (high beam)
87	Spare / Unused
88	15 A – Daytime running lights (DRL) relay feed
89	7.5 A – Supplemental Restraint System (SRS / Airbags)
90	15 A – Rear window wiper motor
91	7.5 A – Power windows, sunroof, auto-dimming rearview mirror
92	20 A – Trailer tow hitch connector
93	10 A – Brake lamps, heater blower relay logic
94	20 A – Windscreen wipers and washer pump
95	7.5 A – Dipped beam headlamps, headlight washer relay logic
96	Spare / Unused
97	7.5 A – Number plate lamps, glovebox lamp, Central Timer Unit (CTU / GEM)
98	7.5 A – Heated power door mirrors
99	7.5 A / 10 A – Interior courtesy lamps
R1	Main beam (high beam) relay
R2	Rear window wiper relay
R3	Windscreen wiper motor relay
R4	Main ignition circuit relay (Ignition ON/Run)
R5	Heated rear screen relay
R6	Heater blower motor relay
R7	Auxiliary ignition circuit relay (Accessory mode)
Fuse F68 (15 A) powers the Ford Mondeo Mk3 cigarette lighter / power socket.

Additional standalone inline fuses: a 7.5 A fuse integrated into the multimedia module and a 3 A fuse for the CD changer, located beneath the front passenger seat.