Question about 1994 Mercury Grand Marquis
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Posted on Jan 02, 2017
SOURCE: radio wiring diagram needed
This is the only thing I could find, it is from a car audio site, hope it helps.
Car Radio Battery Constant 12v+ Wire: Green/Yellow
Car Radio Accessory Switched 12v+ Wire: Yellow/Black
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Blue/Red
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 5′
Car Audio Front Speakers Location: Dash
Left Front Speaker Positive Wire (+): Orange/Green
Left Front Speaker Negative Wire (-): Black/White
Right Front Speaker Positive Wire (+): White/Green
Right Front Speaker Negative Wire (-): Black/White
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Pink/Green
Left Rear Speaker Negative Wire (-): Pink/Blue
Right Rear Speaker Positive Wire (+): Pink/Blue
Right Rear Speaker Negative Wire (-): Green/Orange
Posted on Aug 29, 2008
I would first try to clean the scan button with air can and then very small amount of WD-40 then air can again, try and press and pullout button after this
Posted on Dec 12, 2009
Another 4.6 out of a '94 Grand Marquis. If you can. That way all the sensors will be correct and the wiring harness will plug-and-play. You can install almost any 4.6 but, depending on the year, there's going to be a lot of issues making them work with the electronics in your '94 Marquis.
Posted on Jan 04, 2010
i found out that it grounds when u put it on the car so u dont need to hook anything to the ground connection. the power goes to the bigger connection. the feild is usually the longer wire of the 2 wires that are left. the third goes to the sta spot
Posted on Mar 24, 2010
You check in the HIGH FUSE BOX (under hood, near battery)?
I suggest also Grand Marquis Owners Manual (page 274 and next).
Fig. Fig. 11: 1989-91 Charging chassis schematic
FIG : Fig. 12: 1992-97 Charging chassis schematic
Hope this help (remember comment and rated).
Posted on Apr 08, 2010
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