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Wiring Database / Ford / Transit / 2017

2017 Ford Transit

Cargo van, passenger wagon, cutaway and chassis cab. Key start.

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Which wires give constant, ignition and ground on a 2017 Ford Transit?

On a 2017 Ford Transit, take constant power from the Blue/Red wire at the ignition switch, black 7-pin plug, pin 4 and ignition from the Brown/Yellow 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 2017 Ford Transit. For 2017 Ford added a 43-way vehicle interface connector behind the glove box with reverse, park, brake, door, speed and engine-running wires for upfitters, which is a clean place to take GPS inputs.

The switch colors come from a 2017 Transit 250 install and match the 2018 and 2019 tables. The interface connector wires come from Ford's 2017 upfitter bulletin. Our own team has not yet metered these on a 2017 van, and each row says so.

OBD-II portUnder the steering wheel
Best power spotIgnition switch plug
System voltage12V
Ignition typeKey

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Where do I get constant, ignition and ground on a 2017 Ford Transit?

Take constant, ignition and ground from the same area. On this van the ignition switch plug on the steering column has constant, ignition, accessory and start in one spot.

Option 1 Easiest

At the ignition switch

Steering column, black 7-pin plug. Remove the lower column shroud. Install kits list 2015 to 2019 Transits as key start.

Constant
Blue/Red
Ignition switch, black 7-pin plug, pin 4Always hot, 15A (fed from BCM fuse 3).
Ignition
Brown/Yellow
Ignition switch, black 7-pin plug, pin 1Hot in run and start. Three sources agree.
Ground
Body ground
No ground at the switchUse clean, bare body metal under the driver dash. Never the battery negative post.
Accessory
Violet/Green
Ignition switch, black 7-pin plug, pin 6Hot in accessory and run
Start
Blue/White
Ignition switch, black 7-pin plug, pin 7Hot only while cranking
Key sense is Blue/Gray (+) on pin 5. Brown/Yellow is also a park light and the hazard wire at the BCM, so go by plug and pin.
Option 2 BCM

At the body control module

The BCM is built into the dash fuse panel, behind the trim panel below the steering wheel, left of the column.

Constant
Violet/Red
Body control module, lower dash left of the steering columnAlways hot. Installer-reported on a 2017 Transit 250. A 2019 table lists Yellow/Red (60A) on the BCM black 2-pin plug instead, so meter it.
Ignition
Not found
Not found at the BCMTake ignition from the switch (Option 1), Brown/Yellow on pin 1, a few inches away.
Ground
Body ground
Body metal under the driver dashClean, bare metal only.
The two installer tables disagree on the BCM constant color. Meter before you tap.

Switch pins from an installer-reported wire table for a 2019 Transit on the12volt (fetched twice, matched) and the iDatalink install guide for a 2018 Transit, which agree. A 2017 Transit 250 install on the12volt matches the ignition, accessory and start colors.

What are the turn signal, reverse and light wires on a 2017 Ford Transit?

Circuit
Wire color
Location and what it does
Left turnPositive +Not yet checked
Blue/Green (front)
White/Green (rear)
BCM brown 76-pin plug C, pin 61 front, pin 68 rearFlashes with the left signal
Right turnPositive +Not yet checked
Yellow/Violet (front)
Gray/Violet (rear)
BCM plug C, pin 63 front; brown 46-pin plug B, pin 20 rearFlashes with the right signal
Park lightPositive +Not yet checked
Green/Orange (left front)
Brown/Yellow (right front)
Violet/Green (left rear)
White/Orange (right rear)
BCM plug B, pins 14 and 15 front; plug C, pins 66 and 67 rearOn with the park lights. The two tables disagree on which rear color is on which pin, so meter it. Ford's 2017 upfitter bulletin (Q-250) also puts park/marker Green/Orange on pin 22 of the vehicle interface connector behind the glove box.
HeadlightPositive +Not yet checked
Gray/Brown (left high)
Violet/Orange (right high)
BCM plug B, pin 5 left, pin 17 rightHigh beam outputs. The headlight switch talks to the BCM over a LIN data wire. For low beams, Ford's 2017 upfitter bulletin (Q-250) lists Brown/Blue on pin 21 of the vehicle interface connector behind the glove box.
ReversePositive +Not yet checked
Green/Brown
BCM plug B, pin 11Hot in reverse. Ford's 2017 upfitter bulletin (Q-250) lists the same color on pin 33 of the vehicle interface connector.
Dome lightPolarity: meter itNot yet checked
Yellow/Gray (front)
White/Blue (rear)
White 59-pin junction connector above the driver kick panelThe table lists more than one wire per lamp (front also White/Orange, rear also Green/Violet) and mixes polarity. A 2015 owner reports the dome is a negative input. Meter it.

Each chip shows the main insulation color with its stripe. Source: installer-reported wire table for a 2019 Transit and the 2018 iDatalink guide, carried to 2017.

Where are the brake, door, speed and CAN wires on a 2017 Ford Transit?

Circuit
Wire color
Location and what it does
BrakePositive +Not yet checked
Violet/White
Brake pedal switch, or BCM plug C, pin 58Hot with the pedal pressed. 2017 and 2019 installers agree. Use it as a sense input only. Ford's 2017 upfitter bulletin (Q-250) also lists a third brake light output, Yellow/Gray on pin 11 of the vehicle interface connector.
Driver doorNegative -Not yet checked
Green/Violet
BCM plug C, pin 44Door open input. The 2019 table, the 2018 iDatalink guide and Ford agree on the color.
Passenger doorNegative -Not yet checked
White
BCM plug C, pin 34Door open input. White is also CAN low at the OBD port, so go by location.
Sliding doorsNegative -Not yet checked
Green (left slider)
Yellow (right slider)
BCM plug C, pin 35 and pin 51Door open inputs. The installer table lists these as rear doors; Ford's 2017 upfitter bulletin (Q-250) names Green and Yellow as the left and right sliding doors.
Cargo doorsNegative -Not yet checked
Brown/Violet
BCM plug C, pin 50Rear cargo door open input. Ford uses the same color.
Parking brakeNegative -Not yet checked
White/Violet
BCM plug C, pin 54Grounds with the parking brake set. Ford uses the same color.
HazardNegative -Not yet checked
Brown/Yellow
BCM blue 76-pin plug D, pin 13Hazard switch input. Brown/Yellow is also ignition and a park light.
Vehicle speedAC signalNot yet checked
Violet/Orange
Gray connector at the right side of the driver seat pedestal, pin 4Ford circuit VMC05, 8000 pulses per mile. Ford's 2018 Body Builder book and the 2019 installer table agree. Violet/Orange is also a high beam and CAN low, so go by location.
TachAC signalNot yet checked
Blue/White (gas)
Blue/Orange (3.2L diesel)
Engine computer (PCM) customer access wiresFord circuit VMC02 from Ford's 2018 Body Builder book. The pin number was garbled in our copy, so meter it.
In ParkPolarity: meter itNot yet checked
Gray/Yellow (Park)
Green/Orange (Neutral)
Engine computer (PCM) customer access wiresFord park-only and neutral-only outputs from the 2018 Body Builder book. Polarity not given.
Engine runningNegative -Not yet checked
Brown/Yellow
Vehicle interface connector behind the glove box, pin 29Grounds while the engine runs. From Ford's 2017 upfitter bulletin (Q-250).
Upfitter switchesPositive +Not yet checked
Yellow (1, 20A)
Green/Brown (2, 20A)
Violet/Green (3, 20A)
Brown (4, 20A)
Vehicle interface connector (43-way) behind the glove box, pins 1, 2, 3 and 32Vans with the factory upfitter switches only. From Ford's 2017 upfitter bulletin (Q-250). Two 40A switch outputs, Blue/Orange and Yellow/Orange, are on a separate 6-pin connector. Ford's 2018 book rates the switches differently, so check the label.
CAN busDataNot yet checked
White/Blue (HS high)
White (HS low)
OBD port, white 16-pin, pin 6 high, pin 14 lowFor CAN-clip installs. Never cut or splice it. Medium-speed CAN is Gray/Orange (pin 3) and Violet/Orange (pin 11).

Sources: an installer-reported wire table for a 2019 Transit on the12volt, the iDatalink install guide for a 2018 Transit, a 2017 Transit 250 install on the12volt, Ford's 2017 upfitter bulletin Q-250, and Ford's 2018 Body Builder book (speed, tach, park, neutral). Third brake light color for 2015 to 2016 and the exact ground point were not found.

Which years share wiring with the 2017 Ford Transit?

This page2017Ford's 2017 upfitter bulletin and a 2017 Transit 250 install cover this year directly.
Same generation2015, 2016, 2018 and 2019Install kits fit 2015 to 2019 as one van, and the 2017, 2018 and 2019 sources match on the ignition switch wires. Ford moved the upfitter connector behind the glove box for 2017, and the third brake light may have changed for 2018.
Not this page2020 and newerThe 2020 refresh brought a 10-speed, a factory modem and new electronics. Those years get their own pages.

Where are the fuse boxes and ground points on a 2017 Ford Transit?

InteriorBCM fuse panelBehind the trim below the steering wheel. Fuse 3 (15A) feeds the ignition switch; three fuse sites agree and it matches the switch constant. Fuse 21 (10A) is listed as modified vehicle ignition.
Under the driver seatPre-fuse boxCustomer connection points on 60A fuses. Ford's 2018 Body Builder book puts 40A upfitter feeds on fuses 18 and 53 (always hot) and 52 (ignition).
Ground pointsClean body metalWe did not find a published ground point for this van. Use clean, bare body metal, never the battery negative post.

Interior fuse numbers from fuse-diagram sites (lower trust); the 40A upfitter fuses are from Ford's 2018 Body Builder book. Our team has not yet checked them on a van.

Where is the OBD-II port on a 2017 Ford Transit?

OBD
II
Diagnostic portOBD-II port: under the steering wheelPlug-in GPS trackers and OBD harnesses connect here. Check the port before you plan the install.

Common questions about 2017 Ford Transit wiring

What wire is constant power on a 2017 Ford Transit?

Blue/Red at the ignition switch, black 7-pin plug, pin 4. Always hot, 15A (fed from BCM fuse 3). Meter it before you tap it.

What wire is ignition on a 2017 Ford Transit?

Brown/Yellow at the ignition switch, black 7-pin plug, pin 1. Hot in run and start. Meter it before you tap it.

Where is the reverse wire on a 2017 Ford Transit?

Green/Brown (positive +) at the BCM plug B, pin 11. Hot in reverse. Meter it before you tap it.

Where is the brake wire on a 2017 Ford Transit?

Violet/White (positive +) at the brake pedal switch, or BCM plug C, pin 58. Hot with the pedal pressed. Meter it before you tap it.

Where is the parking brake wire on a 2017 Ford Transit?

White/Violet (negative -) at the BCM plug C, pin 54. Grounds with the parking brake set. Meter it before you tap it.

Where is the vehicle speed signal on a 2017 Ford Transit?

Violet/Orange at the gray connector at the right side of the driver seat pedestal, pin 4. Ford circuit VMC05, 8000 pulses per mile. Meter it before you tap it.

Which years share wiring with the 2017 Ford Transit?

2015, 2016, 2018 and 2019. Install kits fit 2015 to 2019 as one van, and the 2017, 2018 and 2019 sources match on the ignition switch wires.

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