Notice, this is from the 2005 Ford F150 Wiring Harness. Other radios should be the same or very close. From the main 24 wire connector on back of radio (C290A).
Pin 1- Light Green w/Violet stripe - Voltage always
Pin 2- Light Green w/Yellow - Accessory delay relay output
Pin 3- Light Blue w/Red - Instrument illumination
Pin 4- Black - Ground
Pins 5, 6, & 7 - Not used
Pin 8- Orange w/Light Green - Speaker, left front +
Pin 9- Grey w/Light Blue - Speaker, left rear +
Pin 10- Orange w/Red - Speaker, right rear +
Pin 11- White w/Light Green- Speaker, right front +
Pin 12- Dark Green w/Orange- Speaker, right frt -
Pin 13- Black w/Light Green- Ground
Pin 14- Grey w/Black- Vehicle Speed Signal
Pin 15- Red w/Black- Voltage supplied in Start
Pins 16 & 17- Not used
Pin 18- Light Blue w/Red- steering wheel signal
Pin 19- Dark Green w/Orange- steering wheel return
Pin 20- Dark Blue- Parking Aid mute signal
Pin 21- Light Blue w/White- Speaker, left front -
Pin 22- Tan w/Yellow- Speaker, left rear -
Pin 23- Brown w/Pink- Speaker, right rear -
Pin 24- Not used
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I assume you want to know which color wires are what from the factory stereo to hook up the Alpine which you have the wire colors for?If you call a Ford dealer,they normally will provide the information for free.I googled a couple of sites but the minimum they want is $14.Good luck! Greg
hey, get yourself on Ebay, & search ford stereo code. it will be under £5, probably just a pound. You will have to check with the seller that the program they have will give the code for your stereo model. you should recieve yr code via Email within 1 working day. I did this a few months ago, & got my code in half hour. Ford stealership wanted £30, then told me i'd have to go to another branch 10miles away, Coz my stereo wasnt on their system. But for now, listen to the sound of the engine, LOL
I had the same problem and all I did was buy new wires the ones that came with the stereo itself burned up and seased to work. now I paid $6.00 for it at best buy. they look the same colored wires as the ones that came in it.
TIP: the best way to test speaker wires to be sure is with a small battery (triple AAA or double AA should be fine or 9v is easiest) and touch the positive and neg terminals of the batt to the speaker wires and you should hear a popping sound in the speaker and to determine which wire is positive and neg just look at the speaker and if it moves outward when you touch the wires to the batt then the polarity is correct if it goes inward than it is backwards.
Thank You, any ways..I finaly found a color code from FORD parts direct..I have the color pinout for the new radio..(Sony am/fm/cd) Now I need to get the conectors and wired together.Thank You..again.
1991 Ford Explorer XLT Radio and Speaker Wire Colors
Pulled out the stock radio and found two plugs on the back of it. One plug had 7 wires (Power, Dimmer, Amp etc.) and one had 8 (Speakers).
7 wire plug (I could see these wires immediately from the plug):
Car Radio Battery Constant 12v+ wire = Light Green w/ Yellow Stripe Car Radio Ground Wire = Black Car Radio Accessory Switched 12v+ wire = Yellow w/ Black Stripe Car Radio Dimmer Wire = Light Blue w/ Red Stripe Car Radio Illumination Wire = Orange w/ Black Stripe ?? Don't know ?? Red Wire (No power to wire Constant or Accessory) Car Radio Amp Wire = Blue
8 Wire Plug (Wires were wrapped in a grey outer sleeve, had to cut sleeve to get to wires.):
Right Front: White w/ Green Stripe (+) Brown (no stripe) (-)
Right Rear: Purple w/ White Stripe (+) Light Blue (no stripe) (-)
Left Front: Light Green (no stripe) (+) White w/ Orange Stripe (-)
Left Rear: Light Blue w/ Black Stripe (+) Yellow (no stripe) (-)
Speaker Wires (found at the individual speakers in the doors)
Right Front: White w/ Green Stripe (+) Green w/ Orange Stripe (-)
Right Rear: Orange w/ Red Stripe (+) Black w/ White Stripe (-)
Left Front: Orange w/ Green Stripe (+) Blue w/ White Stripe (-)
Left Rear: Red w/ Green Stripe (+) Red w/ Blue Stripe (-)
Hope this helps. I spent hours looking for the correct color key and this one works for my '91 Explorer.