Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box Description
4
5A*
Keep Alive Power (KA PWR)
5
15A*
Heated Exhaust Gas Oxygen (HEGO)
sensors
6
20A*
Fuel pump
7
40A**
RUN/ACC relay - Electrochromatic
mirror, Cigar lighter, Front and rear
wipers, Compass
8
30A**
Powertrain Control Module (PCM),
Injectors and coil
9
15A*
Alternator
10
30A*
Heated seats
11
10A*
PCM
12
20A*
Power point
13
20A*
Fog lamps
14
15A*
A/C clutch, A/C relay
15
30A*
Anti-lock Brake System (ABS) solenoid
16
25A*
I/P fuse panel (RUN/START)
17
50A**
Ignition (main)
18
40A**
Blower motor
19
40A**
Accessory delay relay - Subwoofer and
4WD, Low beam
20
60A**
ABS
21
40A**
Horn, CHMSL, Cluster, Power locks and
power seats
22
40A** (I4)
Cooling fan
50A** (V6)
23
40A**
Rear defroster, Park lamps relay
24
40A** (I4)
High/Low speed fan
50A** (V6)
25
—
Shunt
R2
—
PCM relay
R3
—
Fuel pump relay
2005 Mercury Mariner
(mrn)
Owners Guide (post-2002-fmt)
USA_English
(fus)
Roadside Emergencies
207