Full-size sedan. Key start, push-button on some trims.
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Which wires give constant, ignition and ground on a 2011 Ford Taurus?
On a 2011 Ford Taurus, take constant power from the Blue/Red wire at the ignition switch (key cars), black 7-pin plug, pin 4, ignition from the Green/Purple wire at the ignition switch, black 7-pin plug, pin 1, and ground to clean, bare body metal. Meter every wire first.
Written by API Signal, fleet GPS and camera installers for 35+ years across Georgia, South Carolina and North Carolina, installing every major telematics and camera brand. Every wire on this page lists its source.
Test every wire with a meter before you tap it
No wiring information is ever guaranteed. Colors and locations change with trim, options and build date, and the manufacturer can change them in the middle of a model year. We share this as a starting point for installers, and you are responsible for confirming every connection on the truck in front of you.
This page covers the 2011 Ford Taurus.
Key cars have an ignition switch plug with constant, ignition and accessory, and two sources agree on its colors. The body wires come from a 2012 wire sheet, carried to 2011. Some trims have push-button start, and no ignition wire was found for those. Our own team has not yet metered these on a 2011 car.
OBD-II portLocation not confirmed
Best power spotIgnition switch plug
System voltage12V
Ignition typeKey (push-button on some)
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Where do I get constant, ignition and ground on a 2011 Ford Taurus?
Take constant, ignition and ground from the same area.
Option 1 Key cars
Ignition switch plug
Steering column, black 7-pin plug. Key cars only.
Constant
Blue/Red
Ignition switch (key cars), black 7-pin plug, pin 4Always hot, 20A. Directed lists the same wire for 2010 to 2012.
Ignition
Green/Purple
Ignition switch, black 7-pin plug, pin 1Hot in run. Two sources agree.
Ground
Body ground
Body metal under the dashClean, bare metal only. Never the battery negative post.
Accessory
Purple/Green
Ignition switch, black 7-pin plug, pin 6Hot in accessory and run.
The starter is Blue/White on pin 7. Never tap the starter. Key sense is Blue/Gray on pin 5. Push-button cars have no ignition switch plug, and no ignition wire was found for them.
Ignition switch colors from a 2012 Taurus SEL wire sheet on the12volt and Directed's install guide row for the 2010 to 2012 Taurus. They agree on every pin.
What are the turn signal, reverse and light wires on a 2011 Ford Taurus?
Circuit
Wire color
Location and what it does
Left turnPositive +Not yet checked
Blue/Green (front)
Gray/Orange (rear)
Smart junction box (SJB): black 26-pin plug (F), pin 21 (front); gray 26-pin plug (C), pin 21 (rear)Hot when the left signal flashes. From a 2012 wire sheet.
Right turnPositive +Not yet checked
Yellow/Purple (front)
Green/Orange (rear)
SJB: black 26-pin plug (F), pin 23 (front); gray 26-pin plug (C), pin 19 (rear)Hot when the right signal flashes. From a 2012 wire sheet.
Park lightPositive +Not yet checked
Purple/White
SJB, gray 13-pin plug (E), pin 6Hot with the park lights on. A negative trigger, Gray, is at the headlight switch or SJB black 52-pin plug (B), pin 31. From a 2012 wire sheet.
HeadlightNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
ReversePositive +Not yet checked
Green/Brown
Driver kick panel, in the harness to the rearHot in reverse. From a 2012 wire sheet.
Dome lightPositive +Not yet checked
Gray/Purple
SJB, gray 14-pin plug (A), pin 9Dome lamp supervision. The puddle lamp wire is Purple on the gray 26-pin plug (C), pin 12. From a 2012 wire sheet.
Each chip shows the main insulation color with its stripe. Source: a 2012 Taurus SEL wire sheet on the12volt.
Where are the brake, door, speed and CAN wires on a 2011 Ford Taurus?
Circuit
Wire color
Location and what it does
BrakePositive +Not yet checked
Purple/White
Yellow/Green
Brake switch, or SJB black 52-pin plug (B), pin 40Hot with the pedal pressed. The sheet gives both colors, so meter it. From a 2012 wire sheet.
DoorsNegative -Not yet checked
Green/Purple
SJB, gray 26-pin plug (C), pin 14One door trigger wire is listed, marked normally closed, so check which way it switches. From a 2012 wire sheet.
TrunkNegative -Not yet checked
Gray/Orange
SJB, gray 26-pin plug (C), pin 16Trunk pin, marked normally closed. From a 2012 wire sheet.
Parking brakeNegative -Not yet checked
White/Purple
Parking brake switch, or SJB gray 26-pin plug (C), pin 1Grounds with the parking brake set. From a 2012 wire sheet.
HazardNegative -Not yet checked
Brown/Yellow
Hazard switch, or SJB black 52-pin plug (B), pin 48Hazard switch input. From a 2012 wire sheet.
Lock / unlockNegative -Not yet checked
Blue/Green (lock)
Yellow/Purple (unlock)
SJB, gray 26-pin plug (C), pins 17 and 4On cars with memory seats, test with the passenger switch. From a 2012 wire sheet.
SeatbeltNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
Vehicle speedNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
TachAC signalNot yet checked
Color varies by cylinder
Any fuel injector, gray or black 2-pin plug, pin 1Engine speed signal. From a 2012 wire sheet.
CAN busNot foundNot yet checked
Not found
Not foundNo 2010 to 2012 source gave the CAN wires. Do not use the 2013 and newer colors.
Sources: a 2012 Taurus SEL wire sheet on the12volt and Directed's install guide row for the 2010 to 2012 Taurus (installer-reported). Headlight, seatbelt, speed and CAN were not found. We found no source made for a 2010 or 2011 car other than the Directed ignition switch row.
Which years share wiring with the 2011 Ford Taurus?
This page2011Ignition switch confirmed for this year; body wires carried from 2012.
Same wiring2010 and 2012Directed lists the 2010 to 2012 Taurus ignition switch as one row. The body wires come from a 2012 wire sheet.
Not this page2013 and newerDifferent body module, plugs and pins. The Police Interceptor Sedan starts in 2013.
Where are the fuse boxes and ground points on a 2011 Ford Taurus?
InteriorSmart junction box (SJB)The dash fuse box. We found no fuse list for these years, so read the lid label.
Under the hoodEngine bay fuse boxWe found no fuse list for these years.
Ground pointsClean body metalNo named ground point was found. Never use the battery negative post.
No fuse source was found for 2010 to 2012. Check the lid label before you use a slot.
Where is the OBD-II port on a 2011 Ford Taurus?
OBD II
Diagnostic portOBD-II port: location not confirmedLook under the driver side dash first, and send us a photo if you find it.
Common questions about 2011 Ford Taurus wiring
What wire is constant power on a 2011 Ford Taurus?
Blue/Red at the ignition switch (key cars), black 7-pin plug, pin 4. Always hot, 20A. Meter it before you tap it.
What wire is ignition on a 2011 Ford Taurus?
Green/Purple at the ignition switch, black 7-pin plug, pin 1. Hot in run. Meter it before you tap it.
Where is the reverse wire on a 2011 Ford Taurus?
Green/Brown (positive +) at the driver kick panel, in the harness to the rear. Hot in reverse. Meter it before you tap it.
Where is the brake wire on a 2011 Ford Taurus?
Purple/White and Yellow/Green (positive +) at the brake switch, or SJB black 52-pin plug (B), pin 40. Hot with the pedal pressed. Meter it before you tap it.
Where is the parking brake wire on a 2011 Ford Taurus?
White/Purple (negative -) at the parking brake switch, or SJB gray 26-pin plug (C), pin 1. Grounds with the parking brake set. Meter it before you tap it.
Which years share wiring with the 2011 Ford Taurus?
2010 and 2012. Directed lists the 2010 to 2012 Taurus ignition switch as one row.
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