Connecting fuses and relays (Sierra)

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Since September 1990, the connection of fuses and relays has been changed.

Identification of fuses



Fuse No
Current (A)
Protected circuit
1
15
Left high beam headlight
2
15
Right high beam headlight
3
7,5
Left low beam headlight
4
5
Right low beam headlight, headlight adjustment adjuster
5
5
Left side lights: front and rear
6
15
Right side lights: front and rear
7
15
Instrument cluster and front panel lighting
8
15
Radio
9
7,5
Headlight wipers
10
15
Interior lighting, clock, central locking, electric adjustment of the outside rearview mirror
11
10
Fuel pump
12
15
Hazard lights, alarm, central locking
13
20
Heated front seats, cigarette lighter
14
10
Sound signal
15
15
Windscreen wiper motors and windscreen washer pump
16
20
Heated rear window and outside rearview mirror
17
15
Front fog lights.
18
25
Fan motor
19
10
Rear fog lights (Sweden and Norway version)
20
10
Direction indicators, reversing lights
21
10
Brake lights
22
4
Power supply for indicators and control devices
23
20
Fuel pump
24
30
Side window lifters


Caution: The main fuse and relay box is located in the rear of the engine compartment on the left side.


Additional fuses are located in the box under the front panel on the right side (between the middle part of the front panel and the glove compartment) and are:
  • fuse #28 (25A – white) – additional radiator fan;
  • fuse no. 29 (30 A – green) – air conditioning unit;
  • fuse #30 (20A - yellow) - anti-lock braking system (ABS);
  • fuse #31 (30 A – green) – ABS pump I;
  • fuse #32 (15A – yellow) – lambda probe;
  • fuse #33 (25A - white) - main radiator fan;
  • fuse #33 (30A – green) – main radiator fan (only CVH 1.8 dm³ engine with automatic transmission and DOHC 2.0 dm³ engine);
  • fuse #34 (30 A – green) – ABS pump II;
  • fuse no. 35 (1 A - black) - EEC IV module;
  • fuse No.36 (10 A – red) – EGR (exhaust gas recirculation) control unit.

In addition, the following fuses are located on individual power supply wires:


  • main fuse (about 55 A) - on the (+) battery wire;
  • on-board computer (1 A) - under the instrument panel;
  • fuel injection system (20 A) - near the relay;
  • electric opening of the rear body door (1 A) - near the ignition switch;
  • radio receiver (2 A; 3.15 A or 6.3 A) – on the power supply cable or on the back of the radio receiver housing.

Relay



The main fuse and relay box may contain the following relays:
  • No. A: Engine operation;
  • No. B: Additional daytime running lights (Sweden and Norway only) or rear fog lights;
  • No. C: sound signal;
  • No. D: Engine Management Systems;
  • No. E: Rear fog lights;
  • No. F: Low beam headlights;
  • No. G: Front seat heating;
  • No. H: Front fog lights;
  • No. I: Ignition switch;
  • No. II: Basic lights for daytime traffic (Sweden and Norway only);
  • No. III: Headlight wipers;
  • No. IV: Rear window heating;
  • No. V: Windscreen wiper programmer;
  • No. VI: Interior light switch;
  • No. VII: Anti-lock braking system (ABS);
  • No. VIII: Automatic transmission kick-down mechanism;
  • No. IX: Rear window wiper programmer;
  • No. X: High beam headlights;
  • No. XI: Engine Management Systems;
  • No. XII: Safe engine starting (starter blocking) in vehicles with automatic transmission.

Other information concerning the technical characteristics, adjustment and repair of electrical equipment is given in section 12.






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