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The high-current fuses are coded as follows:
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
* Mini Fuses ** Cartridge Fuses
1 60A** Power Junction Box (PJB)
2 30A** Door locks (BSM)
3 20A** Cigar lighter
4 40A** Heated backlight/mirrors
5 40A** Anti-lock Brake System
(ABS)/Roll Stability Control
(RSC) module (pump)
6 60A** Delayed accessory
7 20A** Daytime Running Lamps (DRL)
module
8 20A** Electric cooling fan
9 20A** Headlamp switch
10 30A** ABS/RSC module (valves)
11 40A** PTEC relay contacts
12 50A** Ignition/Starter relay
13 40A** Trailer tow relays
14 15A* Brake lamp feed
15 10A* Keep alive power
(PTEC/cluster/DEATC), Courtesy
lights
16 20A* Power point #3
17 20A* Rear wiper module
18 20A* 4x4 module
19 30A** Driver window motor
20 30A** Electric trailer brake module
21 30A** Memory seat module
22 20A** Main exterior lamps (low beam
headlamps, high beam headlamps,
fog lamps)
23 30A** Ignition switch
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2005 Aviator f/k/a Navigator LS(231), Owners Guide (post-2002-fmt)(own2002),
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Roadside Emergencies
300
Page 301 of 368

Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box
Description
* Mini Fuses ** Cartridge Fuses
24 20A* Horn relay
25 20A* Power point #1
26 20A* Fuel pump relay contacts
27 20A* Trailer tow relays
28 20A* Power point #2
29 60A** PJB
30 30A** Front wiper module
31 30A** Climate-controlled seats modules
32 30A** Passenger seat switch
33 30A** Auxiliary blower motor
34 20A** Right HID relay
35 20A** Left HID relay
36 40A** Blower motor
37 15A* A/C clutch relay, TXV,
Transmission, Speed control
38 15A* HEGO, VMV, Canister vent,
IMCC-LSRC, EGR module
39 15A* Injectors, Idle air control
40 15A* PTEC, Mass Air Flow (MAF)
sensor, Fuel pump relay
41 25A* Coil on plug, PTEC diode/relay
42 10A* Right low beam (halogen)
43 10A* Left low beam (halogen)
44 2A* Heated PCV valve (w/DRL only)
45 2A* Brake Pressure Switch
46 20A* High beams/Fog lamps
47—Horn relay
48—Fuel pump relay
49—High beam relay
50—Fog lamp relay
REVIEW COPY
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Roadside Emergencies
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Page 364 of 368

Engine oil ..................................328
change oil soon warning,
message center .......................328
checking and adding ..............328
dipstick ....................................328
filter, specifications ........331, 351
recommendations ...................331
refill capacities ........................352
specifications ..................354, 356
Exhaust fumes ..........................268
F
Fail safe cooling ........................337
Floor mats .................................155
Fluid capacities .........................352
Foglamps ...................................104
Four-Wheel Drive vehicles
driving off road .......................285
preparing to drive your
vehicle .....................................275
Fuel ............................................338
calculating fuel
economy ..........................143, 343
cap ...........................................340
capacity ...................................352
choosing the right fuel ...........341
comparisons with EPA fuel
economy estimates .................346
detergent in fuel .....................342
filling your vehicle with
fuel ...........................338, 340, 343
filter, specifications ........343, 351
fuel pump shut-off switch .....293
improving fuel economy ........343
octane rating ...................342, 356
quality ......................................342
running out of fuel .................342
safety information relating to
automotive fuels .....................338Fuses ..................................294–295
G
Garage Door Opener
(see Homelink wireless
control system) .........................137
Gas cap (see Fuel cap) ............340
Gas mileage
(see Fuel economy) .................343
Gauges .........................................13
H
Hazard flashers .........................293
Head restraints .........................176
Headlamps .................................104
aiming ......................................107
autolamp system .....................104
bulb specifications ..................111
daytime running lights ...........106
flash to pass ............................107
high beam ...............................106
replacing bulbs .......................113
turning on and off ..................104
Homelink wireless control
system ........................................137
I
Ignition ...............................265, 356
Infant seats
(see Safety seats) .....................211
Inspection/maintenance (I/M)
testing ........................................348
Instrument panel
cleaning ...................................322
cluster ........................................10
J
Jack ....................................229, 232
REVIEW COPY
2005 Aviator f/k/a Navigator LS(231), Owners Guide (post-2002-fmt)(own2002),
Market:USA_English(fus)
Index
364