I have a 2004 Ford F150 Supercrew. I have this model radio (4L3T-18C815-AM) with a AUX button. However, there is no where to plug in to the aux input. There is an adapter (PIE FRD04-AUX) available but I don't want to use this method. I have removed the radio and would like to splice a RCA cable plug in to the wire harness. However, I do not have the wiring diagram to tell me what wire is what. Can you give me the wiring diagram for the 2 connectors(one is 24 pin and one is 16 pin) that plug into the back of the radio and the wiring diagram for 8 pin connector that is part of the same wiring harness. I also need the connector part numbers on the internal cable and on the connectors on the rear of the radio.
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if you have aux button there is a plug wire that mite be in the dash of the car, you could go to the radio manufacture website see if you can find the users manual, or installation guide, operational manual, the aux mite be a wifi option on other device of similar radio, that radio may have many versions and the version you got does not have that option with the cheaper version of radio that was installed when the car was made.
go to manufactures website, service, make, model,
it may need drivers to run the aux.
There is a short in the aux input 'hole' that receives the wire. When you plug in the wire from your mp3 the radio automatically switches to aux. Since there is a short in the plug when you hit bumps or the vibration etc. the radio thinks that it is receiving a plug in and switches to aux. You will have to have the radio physically repaired (it will have to soldered) to repair the short. I own 2 of these vans and my parents own one and all three have had this issue. It is usually created from a wire plugged into the port hole and getting bumped or something which causes the port to loosen. Over time the metal connections inside short out. Just my two cents.
Remove the 3 knobs for air system.
Remove the 2 small philip screws at bottom.
Pull bezel straight out.
Remove 4 larger philip screws on either side of radio.
Pull radio straight out.
To find out if your radio has "AUX IN", hold CD button for about 2-3 secs. If AUX appears on display your model has "AUX" connector in back. 2003 and early 2004 do not have "aux in".
Horse, stock or utility trailers: White = Ground - GD Yellow = Left turn/Brake -LT Green = Right turn Brake -RT Brown = Tail and clearance lights - TM Red or Black (not both) = Battery, aux power - A Blue = Electric Brakes - S
Recreational Vehicle: (color, use, plug mark) White = Ground - GD
Yellow = Not used -
Brown = Right turn Brake - RT Green
= Tail and clearance lights -TM Black = Battery, aux power - A Red = Left turn/Brake - LT
Blue = Electric Brakes - S
Four wire plugs: White = Ground Yellow = Left turn/Brake Green = Right turn Brake Brown = Tail and clearance lights