Battery
GREEN/YELLOW
(+)
RADIO HARNESS
Accesory
YELLOW/BLACK
(+)
RADIO HARNESS
Ground
BLACK/LIGHT GREEN
(-)
RADIO HARNESS
Illumination
LIGHT BLUE/RED
(+)
RADIO HARNESS
Dimmer
BLUE/RED
(+)
RADIO HARNESS
Power Antenna
AMP=BLUE
LF Speaker (+)
ORANGE/LIGHT GREEN
LF Speaker (-)
LIGHT BLUE/WHITE
RF Speaker (+)
WHITE/LIGHT GREEN
RF Speaker (-)
DARK GREEN/ORANGE
LR Speaker (+)
GRAY/LIGHT BLUE
LR Speaker (-)
TAN/YELLOW
RR Speaker (+)
BROWN/PINK
RR Speaker (-)
ORANGE/RED
A grand marquis wiring diagram can be found in a Chiltons or Haynes auto repair manual.
The stereo wiring diagram for a 1988 Mercury Grand Marquis is available from a factory service repair manual. These manuals can be found online and PDF. format.
autozone.com
need wiring diagram for radiator fan control
at the junk yard
Yes, there is a free stereo wiring diagram for this car. It is in its maintenance manual, or a person could ask for a print out at an auto part store.
JUST GO TO A WALMART,OR AUDIO SHOP AND ASK FOR WIRE HARNESS FOR THE YEAR OF YOUR CAR
Wiring Diagrams Ford Crown Victoria/Grand Marquis 1989-1998 from AutoZone DIY http://www.autozone.com/az/cds/en_us/0900823d/80/17/3d/a8/0900823d80173da8/repairInfoPages.htm
what are the correct wires for installation of amplifier for a 2002 ford f250 with the stock sterio system
You can find a good nudge in the related link below. CommandoCarAlarms.com
installer.com
You can find the wiring diagram for a relay position for a 1997 Mercury Sable in the owner's manual. You can also check local auto stores.