2003 Mercury Grand Marquis Owner's Manuals

Page 57 of 248

Mercury Grand Marquis 2003  Owners Manuals MAP/COURTESY LAMPS
Without a moon roof
With a moon roof
To turn on the map lamps, press the
map lamp control.
BULBS
Replacing exterior bulbs
Check the operation of all the bulbs frequently.
Using the

Page 58 of 248

Mercury Grand Marquis 2003  Owners Manuals Function Trade Number
Headlamp 9007
Park, turn and sidemarker lamp (front) 3157 AK (amber)
Cornering lamp (front) 3156K
Tail, stop, turn and sidemarker lamp (rear) 3157K
Backup lamp 3156K
License plat

Page 59 of 248

Mercury Grand Marquis 2003  Owners Manuals 3. Disconnect the electrical connector.
4. Remove the headlamp retainer bolts and the headlamp assembly.
5. Remove the headlamp bulb protective cover.
6. Remove the bulb retaining ring by
rotating it

Page 60 of 248

Mercury Grand Marquis 2003  Owners Manuals 1. Make sure headlamp switch is in OFF position, then open the hood.
2. Remove the three pin type retainers and the radiator shield.
3. Loosen the parking lamp attachments, on the inside of the lamp,

Page 61 of 248

Mercury Grand Marquis 2003  Owners Manuals 5. Pull the bulb from the socket and
push in the new bulb.
6. Install the bulb socket into the
lamp assembly by rotating it
clockwise.
7. Install the lamp assembly on the
vehicle with three nut and wa

Page 62 of 248

Mercury Grand Marquis 2003  Owners Manuals Replacing high-mount brakelamp bulbs
1. Make sure headlamp switch is in
OFF position, then remove two
screws from the lamp assembly.
2. Carefully lift the lamp assembly
up for access to the bulbs.
3.

Page 63 of 248

Mercury Grand Marquis 2003  Owners Manuals WINDSHIELD WIPER/WASHER CONTROLS
Rotate the windshield wiper control
to the desired interval, low or high
speed position.
The bars of varying length are for
intermittent wipers. When in this
position

Page 64 of 248

Mercury Grand Marquis 2003  Owners Manuals To replace the wiper blades:
1. Pull the wiper arm away from the
windshield and lock into the service
position.
2. Press and hold the tab on the
blade and slide the blade off the
wiper arm pin.
3. To