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.
NEED COLOR CODE FOR RADIO SPEAKER WIRE 93 MERCURY
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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.
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
Wiring diagram for 96 Mazda b2300
The stereo wiring diagram for the 1998 Dodge Caravan is basically a wiring blueprint for that vehicle. This diagram shows exactly which wires are connected to each speaker.
You can find a good nudge in the related link below. CommandoCarAlarms.com
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