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Which wires give constant, ignition and ground on a 2019 Ford Ranger?
On a 2019 Ford Ranger, take ignition from the Brown/White wire at the underhood fuse box (BJB) connector C1035A, pin 19 (fuse 19 feed), 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 2019 Ford Ranger, the first year of the T6 in the US, US market.
The lamp and brake wires come from Ford's 2019 Ranger body builder book. Our own team has not yet metered these on a 2019 truck, and each row says so.
OBD-II portUnder the driver dash
Best power spotUpfitter switch leads
System voltage12V
Ignition typeNot confirmed
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Where do I get constant, ignition and ground on a 2019 Ford Ranger?
Take constant, ignition and ground from the same area. Ford publishes very few interior wire colors for this truck; the upfitter switch outputs are the best-documented power.
Option 1 Fuse box
Underhood fuse box
Battery junction box, left front of the engine bay.
Constant
Not found
Not foundWe found no constant wire color for 2019 to 2023.
Ignition
Brown/White
Underhood fuse box (BJB) connector C1035A, pin 19 (fuse 19 feed)Ignition-switched feed, from an installer post (year not stated). Meter it.
Ground
Body ground
Body metalClean, bare metal only. Never the battery negative post.
The radio gets its ignition state over the CAN bus; there is no plain ignition wire at the radio.
Option 2 Ford upfitter
Upfitter switches
Factory aux switches, on trucks that have them.
Upfitter
Not found
Not found for 2019We found the factory upfitter switch table only for 2021 to 2023 trucks.
We found the upfitter switch table only for 2021 to 2023 trucks.
Power wires from an installer post on ranger5g (ignition) and a Ranger site table from the Ford owner's manual (aux switches).
What are the turn signal, reverse and light wires on a 2019 Ford Ranger?
Circuit
Wire color
Location and what it does
Left turnPositive +Not yet checked
Gray/Orange (rear stop/turn)
Box-delete tail lamp connector, pin 4Rear stop and turn share one wire. PWM circuit.
Right turnPositive +Not yet checked
Green/Orange (rear stop/turn)
Box-delete tail lamp connector, pin 4 (right side)Rear stop and turn share one wire.
Each chip shows the main insulation color with its stripe. Each row names its source.
Where are the brake, door, speed and CAN wires on a 2019 Ford Ranger?
Circuit
Wire color
Location and what it does
BrakePositive +Not yet checked
Yellow/Gray (third brake light)
BCM (left, under the dash), connector 5, pin 13Center high brake light, max 1.70A; PWM on XL and XLT.
DoorsNot foundNot yet checked
Not found
Not foundWe found no door wires for 2019 to 2023.
Parking brakeNot foundNot yet checked
Not found
Not foundNot found.
Vehicle speedNot foundNot yet checked
Not found
Not foundNot found.
Sources: Ford's 2019 Ranger body builder book and Ford's 2024 Ranger body builder book (OEM), a Ranger site table from the Ford owner's manual (2021 to 2023 aux switches), and installer posts on ranger5g and ranger6g. Constant, doors, dome, parking brake and speed wires were not found.
Which years share wiring with the 2019 Ford Ranger?
This page2019Ford's 2019 Ranger body builder book.
Same wiring2020, 2021, 2022 and 2023T6 generation (2019 to 2023). Ford's 2019 book and the 2021 to 2023 aux switch table.
Not this page2024 and newerThe 2024 Ranger is a new generation with its own pages.
Where are the fuse boxes and ground points on a 2019 Ford Ranger?
Engine bayAux fuse/relay boxFront left of the engine bay, on trucks with upfitter switches.
FusesFuse map not confirmedWe did not find a fuse map we trust. Check the lid.
Ground pointsNew ground pointFord says not to use the battery or existing vehicle ground points for added grounds.
Our team has not yet checked the fuses on a truck.
Where is the OBD-II port on a 2019 Ford Ranger?
OBD II
Diagnostic portOBD-II port: under the driver dashPlug-in GPS trackers and OBD harnesses connect here. Check the port before you plan the install.
Common questions about 2019 Ford Ranger wiring
What wire is ignition on a 2019 Ford Ranger?
Brown/White at the underhood fuse box (BJB) connector C1035A, pin 19 (fuse 19 feed). Ignition-switched feed, from an installer post (year not stated). Meter it before you tap it.
Where is the reverse wire on a 2019 Ford Ranger?
Green/Brown (positive +) at the box-delete tail lamp connector, pin 1. Backup lamps, 6.2A. Meter it before you tap it.
Where is the brake wire on a 2019 Ford Ranger?
Yellow/Gray (third brake light) (positive +) at the BCM (left, under the dash), connector 5, pin 13. Center high brake light, max 1.70A; PWM on XL and XLT. Meter it before you tap it.
Which years share wiring with the 2019 Ford Ranger?
2020, 2021, 2022 and 2023. T6 generation (2019 to 2023).
Help build this page
Had the panels off on one of these? Show the next installer what you found.
No one has sent photos for the 2019 Ford Ranger yet, so yours could be the first. Every photo, wire color and tip we use goes on this page with your name on it, and it saves the next installer time under the dash.
1. Snap it
The plugs, tap points, fuse boxes and ground points. Phone photos are fine.
2. Send it
Tap "Add yours" at the top of this page. Your tip and your photos go in the same box.
3. See your name on it
We check every tip, then post it here "Compliments of" you, by name.
Compliments of
The installers who helped build this page.
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Founding contributor spot: openThe first installer to confirm a wire or send photos for the 2019 Ford Ranger gets their name here, and it stays here.
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Every tip we use gets a creditThe wire you checked is marked "Checked on a truck, compliments of" you.
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