Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
23 15A EATC module, Instrument cluster,
LCM, Interior lamps, Door lock
switches
24 10A Left-hand low beam
25 20A Cigar lighter
26 10A Right-hand low beam
27 25A LCM for cornering lamps and high
beam headlamps
28 20A* Power windows
29—Not used
30—Not used
31—Not used
32—Not used
* Circuit breaker
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
Always disconnect the battery before servicing high current
fuses.
Always replace the cover to the power distribution box before
reconnecting the battery or refilling fluid reservoirs
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
2004 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
150
SERVICE RECOMMENDATIONS
To help you service your vehicle:
•We highlight do-it-yourself items in the engine compartment for easy
location.
•We provide a scheduled maintenance guide which makes tracking
routine service easy.
If your vehicle requires professional service, your dealership can provide
the necessary parts and service. Check yourWarranty Guide/Owner
Information Guideto find out which parts and services are covered.
Use only recommended fuels, lubricants, fluids and service parts
conforming to specifications. Motorcraft parts are designed and built to
provide the best performance in your vehicle.
PRECAUTIONS WHEN SERVICING YOUR VEHICLE
•Do not work on a hot engine.
•Make sure that nothing gets caught in moving parts.
•Do not work on a vehicle with the engine running in an enclosed
space, unless you are sure you have enough ventilation.
•Keep all open flames and other burning (cigarettes) material away
from the battery and all fuel related parts.
Working with the engine off
1. Set the parking brake and shift to P (Park).
2. Turn off the engine and remove the key.
3. Block the wheels.
Working with the engine on
1. Set the parking brake and shift to P (Park).
2. Block the wheels.
Note:Do not start your engine with the air cleaner removed and do not
remove it while the engine is running.
2004 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Maintenance and Specifications
Maintenance and Specifications
181
