Ford Mondeo Mk1 – fuse and relay

The 1st generation Ford Mondeo was produced in 1993, 1994, 1995 and 1996 with sedan, five-door hatchback and five-door station wagon bodies. In this publication, we will show the location of all electronic control units, describe in detail the purpose of the fuses and relays Ford Mondeo Mk1, as well as their photos and box diagrams in which they are located. Note the fuse responsible for the cigarette lighter.

ford mondeo 1


General block layout

General scheme of mondeo 1


1SRS electronic control unit
2Anti-theft LED
3Anti-theft control unit
4Anti-theft alarm horn – station wagon
5Anti-theft alarm horn – sedan
6Volume change sensor 1 (anti-theft system)
7Volume change sensor 2 (anti-theft system)
8Anti-theft alarm relay 1
9Anti-theft alarm relay 2
10Audible warning signal
11Audio system output amplifier
12Fault indication system add-on unit
13Lamp health check system unit
14Central locking / anti-theft control unit
15Integrated relay / control unit
16Cruise control (cruise control) control unit
17Cruise control relay
18Daylight Resistor
19Diagnostic line – additional warning system
20Diagnostic line – door locks
21Cooling fan motor resistor
22Fog lamp relay
23Fuel pump
24Fuse / relay box, engine compartment
25Fuse / relay box, instrument panel
26Glow plug timer relay
27Headlight washer / washer relay
28Turn Signal / Hazard Relay
29Inertial fuel cut-off switch
30Ambient temperature sensor
31Relay for intermittent operation of the rear window wiper
32Seat heater relay
33Steering wheel position sensor
34Sunroof drive motor
35Relay for electric sunroof
37Active suspension drive valve, right front
39Active suspension drive valve, right rear
40Suspension control unit
41Active Suspension Diagnostic Connector
42Throttle valve motor (traction control)

Passenger compartment

It is located under the dashboard on the driver’s side.

Photo for example

Photo of the block in the cabin Mondeo 1


Block diagram in the cabin

Protected components

197,5A Electric door mirrors
2010A Windshield Wiper / Washer, Wiper Rear Window Washer
2130A / 40A Power windows, electric sunroof control unit
227.5A ABS electronic control unit
2315A Direction indicators, active suspension system, cruise control, instrument cluster, gearbox control switch, lamp health control unit, windshield washer nozzle heaters, fuel filter heater relay
2415A Stop lights
2520A Central locking, anti-theft system, diagnostic socket
2620A Fog lights
2715A Cigarette lighter
2830A Relay for headlight washer pump, electric seat
2930A Heated rear window
307.5A Engine management system, instrument cluster, auxiliary alarm unit, clock / trip computer
317,5А Illumination of a combination of devices
327,5А Audio system, Radio
337,5A Front dimensions – left
347.5A Interior lamps, clock, power mirrors, tailgate / tailgate opening drive
357,5A Front dimensions – right
3615A / 30A Audio system, audio system output amplifier 10A Airbags
3730A Heater blower motor relay
387.5A Airbag

The fuse number 27, 15A, is responsible for the cigarette lighter.


  • R12 Interior lighting relay
  • R13 Heated rear window relay
  • R14 Heater fan relay
  • R15 Wiper relay
  • R16 Ignition relay
  • D2 Reverse current protection diode

Engine compartment

It is located on the left side, near the battery, under the protective cover.

The photo

Block under the hood photo


Block diagram under the hood


180A Main supply on-board network electrical circuit
260A Radiator fan motor
360А ABS / TCS – system and under certain conditions diesel engine
420A Ignition
530A Heated windshield (left side)
630A Heated windshield (right side)
730A Braking system with ABS (anti-lock braking system)
830A Heated seats, A / C compressor
920A EEC module, cold start solenoid valve (diesel)
1020A Ignition lock
113A EEC Ignition Module Memory, Engine Control Unit
1215A Sound signal and light alarm
1315A Lambda probe sensor
1415A Electric fuel pump (carburetor engine)
1510A Low beam, right
1610A Low beam left
1710A High beam right
1810A High beam left


R1Daytime running light relay
R2Cooling fan relay (high speed)
R3Air conditioner relay
R4A / C clutch relay
R5Cooling fan relay (low speed)
R6Starter relay
R7Horn relay
R8Fuel pump relay
R9Low beam relay
R10High beam relay
R11Main relay
D1Reverse current protection diode

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