Wiring Harness Diagram 2004 Mercury Grande Marquis. Also im confused as to how to hook up the amp wire harness for the radio specifically the blue wires with the. 1980 1993 ford crown victorias and grand marquis.
Posted by comcoachbagscouk on. Wiring diagram for 2004 mercury grand marquis. Mercury grand marquis vehicle wiring chart and listed below is the vehicle specific wiring diagram for your car alarm remote starter or keyless entry installation into your mercury grand marquisthis.
Mercury grand marquis wiring diagram questions answers with 2003 grand marquis repair diagrams wiring schematic diagram.
For wiring diagrams and such grab the factory service manual from here. Check the speakers you should be able to see what colour wires go to front left front right rear left and rear right. Im working on a. One will be ground normally black there may be a red and yellow these are most likely main power and battery power for your presets.