Wiring harness on radio has one extra wire left blue with white stripe all others wires connected according to color code what is the extra wire for blue with white stripe

These are the three top websites. According to Just Answer it came with AM/FM Radio, AM/FM Radio Cassette, and two types of AM/FM Cassette / CD Changer. All 4 are shown in the link

https://www.justanswer.com/ford/0hkix-find-1999-ford-taurus-stereo-wiring-harness-diagram.html

These are the other two websites.

1999 Ford Taurus Car Stereo Wire Colors and Locations

The12Volt https://www.the12volt.com > installbay > stereodetail
1999 Ford Taurus Stereo Wiring ; Ground, Black/Light Green ; Illumination, Light Blue/Red ; Dimmer, n/a ; Antenna, Left Rear ; Front Speakers, 5" x 7" Doors.

1999 Ford Taurus Radio Wiring Diagram

MODIFIEDLIFE https://www.modifiedlife.com > 1999-ford-taurus-radi...
Our 1999 Ford Taurus radio wiring diagram shows you all the radio wire colors and what they do. Table of Contents. 1999 Ford Taurus Radio Wiring Diagram; 1999 ...

.. Here is the AM/FM Radio wiring

Factory side wires:
Orange is constant 12 volts
yellow is switched 12 volts
Black Ground
Gray Illumination
Brown Dimmer
Tan LF +
Gray LF-
Lt Grn RF+
Drk Grn RF-
Brown LR+
Yellow LR-
Lt Blue RR+
Drk Blue RR-
The aftermarket reverse harness should be mrked I hope that helps

Greg, Check the attached links,instruction and guides stereo and speaker wiring, Good luck
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WIRE COLOR CODES FOR CAR INSTALLATION

Car Stereo Wiring Diagrams and Car Radio Wiring Diagrams

https://www.installdr.com/quickwiring.asp

Car Stereo Wiring Diagrams Director

12V CONSTANT WIRE RED and PINK/BLACK Ignition harness
12V IGNITION WIRE DARK BLUE Ignition harness
12V ACCESSORY WIRE BLACK/ORANGE Ignition harness
STARTER WIRE YELLOW Ignition harness
PARKING LIGHTS (+) BLACK/YELLOW At Headlight switch
POWER DOOR LOCK (5-wire reverse polarity) ORANGE/PURPLE Harness Coming Into Vehicle From Driver's
Door
POWER DOOR UNLOCK (5-wire reverse
polarity)
PINK/PURPLE Harness Coming Into Vehicle From Driver's
Door
DOOR TRIGGER (-) YELLOW/BLACK At Headlight Switch
DOMELIGHT SUPERVISION (-) Use door trigger
TRUNK TRIGGER (-) GRAY/BLACK At Light In Trunk
TACHOMETER WIRE TAN/BLUE or BLACK/GRAY At Ignition Coil
BRAKE WIRE (+) WHITE/BROWN At Brake Pedal Switch
HORN TRIGGER (-) BLACK/RED Harness Coming From Steering Wheel At
Column
CAUTION! SRS airbag wires are not enclosed in protective loom at the steering column. They are a twisted pair of wires that run with rest of
ignition harness. Be careful not to cut or probe these wires.

Radio:

(Black plug)
Rear Right speaker -: Blue w/White stripe
Rear Left speaker -: Brown w/Yellow stripe
Front Right +: Purple
Front Left +: Dark Green
Rear Right speaker +: Blue w/Orange Stripe
Rear Left speaker +: Brown w/Blue Stripe
Power Antenna/Amp: White
(Gray Plug)
+12v battery wire: Pink or Pink w/White Stripe
+12v Ignition wire: Red w/ White Stripe
Front Right speaker -: Blue w/ Red Stripe
Front Left speaker -: Brown w/ Red Stripe

Hi, use the white (orange stripe) accessory wire to power the radio. The red (black stripe) wire is the hot lead used to maintain clock and preset stations for the head unit. The complete factory harness color code is below. Please let me know if you have any questions and thanks for using FixYa.

2006 Mitsubishi Raider Car Audio Wiring Schematic
Car Radio Battery Constant 12v+ Wire: Red/Black
Car Radio Accessory Switched 12v+ Wire: White/Orange and White (This vehicle uses the can data network for accessory turn on.)
Car Radio Ground Wire: Black
Car Radio Illumination Wire: N/A
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: White/Orange and White (This vehicle uses the can data network for amplifier turn on.)
Car Stereo Amplifier Location: Amplifier is located in the passenger kick panel.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): N/A
Left Front Speaker Negative Wire (-): N/A
Right Front Speaker Positive Wire (+):
Right Front Speaker Negative Wire (-):
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Dark Green/Dark Blue
Left Rear Speaker Negative Wire (-): Dark Green/Orange
Right Rear Speaker Positive Wire (+): Gray/Dark Blue
Right Rear Speaker Negative Wire (-): Gray/Dark Blue

hi

Car Radio Battery Constant 12v+ Wire: White/Yellow
Car Radio Accessory Switched 12v+ Wire: Yellow/Red
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Black
Car Stereo Antenna Trigger Wire: Yellow/White
Left Front Speaker Positive Wire (+): Blue/Green
Left Front Speaker Negative Wire (-): Gray/Black
Right Front Speaker Positive Wire (+): Red/Green
Right Front Speaker Negative Wire (-): Brown/Black
Left Rear Speaker Positive Wire (+): Blue/Yellow
Left Rear Speaker Negative Wire (-): Gray/White
Right Rear Speaker Positive Wire (+): Red/Yellow
Right Rear Speaker Negative Wire (-): Brown/White

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Car Radio Battery Constant 12v+ Wire: Red/White
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Black/Gray
Left Front Speaker Positive Wire (+): White
Left Front Speaker Negative Wire (-): White/Brown
Right Front Speaker Positive Wire (+): White/Violet
Right Front Speaker Negative Wire (-): White/Orange
Left Rear Speaker Positive Wire (+): White/Green
Left Rear Speaker Negative Wire (-): Brown/Yellow
Right Rear Speaker Positive Wire (+): Brown/White
Right Rear Speaker Negative Wire (-): Brown/Blue

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 (-)

Radio Constant 12V+ Wire: White/Green
Radio Switched 12V+ Wire: White/Red
Radio Ground Wire: Black
Radio Illumination Wire: n/a
Radio Dimmer Wire: Red/Black
Radio Antenna Trigger Wire: n/a
Radio Antenna Location: Rear Glass
Front Speakers Size and Location: 6 1/2′ Doors
Left Front Speaker Wire (+): Blue/Green
Left Front Speaker Wire (-): Gray/Black
Right Front Speaker Wire (+): Red/Green
Right Front Speaker Wire (-): Brown/Black
Rear Speakers Size and Location: 6′ x 9′ Rear Deck
Left Rear Speaker Wire (+): Blue/Yellow
Left Rear Speaker Wire (-): Gray/White
Right Rear Speaker Wire (+): Red/Yellow

Factory in-dash wire harness that
snaps into the factory radio.
AS VIEWED FROM MATING END OF CONNECTOR
E F G H I N O P
A B C D J K L M
Note: using an optional snap on wire harness adapter will simplify the wiring. Most snap on
wire harness adapters have already converted and color coded the wires from the auto
makers in dash wire harness to match typical aftermarket radio wire colors.
** The wire colors listed in the chart above are typical for these vehicles during these years
but may not be the exact colors for this vehicle. This is another reason to use a snap on
wire harness adapter. **
Typical Honda/Acura "Typical" New Radio
Pin What It Is In Dash Wire Color Equivalent Wire Color
A Right Rear Spkr (+) Red w/ Yellow Stripe Purple
B Left Rear Spkr (+) Blue w/ Yellow Stripe Green
C Power Antenna Trigger Brown w/ White Stripe Blue or Blue w/ Wht Stripe
D +12 Volt Ignition Wire Yellow w/ Red Stripe Red
E Right Rear Spkr (-) Brown w/ White Stripe Purple w/ Black Stripe
F Left Rear Spkr (-) Gray w/ White Stripe Green w/ Black Stripe
G Ground Wire Black Black
H Do Not Use
I Do Not Use
J +12 Volt Battery Wire White w/ Yellow or Blu Stripe Yellow
K Dash Light Dimmer Wire Orange
L Left Front Spkr (+) Blue w/ Green Stripe White
M Right Front Spkr (+) Red w/ Green Stripe Gray
N Do Not Use
O Left Front Spkr (-) Gray w/ Black Stripe White w/ Black Stripe
P Right Front Spkr (-) Brown w/ Black Stripe Gray w/ Black Stripe