Which wires give constant, ignition and ground on a 2017 Chevrolet Suburban?
On a 2017 Chevrolet Suburban, take constant power from the Red/Blue wire at the blue 27-pin plug on the body control module, pin 4, ignition from the Purple/Black wire at the green 25-pin plug on the body control module, pin 6, and ground to clean, bare body metal. Meter every wire first.
Meter every wire before you tap it. Colors change with trim and build date.
OBD-II port:Under the dash, driver sideBest power spot:Body control moduleSystem voltage:12VIgnition type:Key or push-button (this page)
Where do I get constant, ignition and ground on a 2017 Chevrolet Suburban?
Both start types use the body control module under the driver dash. Pick the box for the truck in front of you.
Option 1 Key start
Body control module
Left of the steering column.
Constant
Red/Blue
Blue 27-pin plug on the body control module, pin 412V battery feed on key-start trucks.
Ignition
Purple/Black
Green 25-pin plug on the body control module, pin 6Hot with the key in run.
Accessory
Purple/Yellow
Green 25-pin plug on the body control module, pin 15Accessory.
Ground
Body ground
Bare metal under the dashNo ground color printed. Never the battery negative post.
No starter wire is listed in the key guide.
Option 2 Push-button start
Body control module
Under the driver dash.
Constant
Red/Violet or Red/Blue
White 26-pin plug on the body control module, pin 212V battery feed on push-button trucks. Fortin lists two colors, so meter it.
Ignition
Purple/Black
Green 25-pin plug on the body control module, pin 6Hot with the button on.
Ground
Body ground
Bare metal under the dashNo ground color printed. Never the battery negative post.
Start button wire is Blue/Green, pin 17, blue plug. Never tap it.
From Fortin's GM full-size install guide with a key (guide 78561, listed by Fortin for this SUV) and Fortin's install guide for the 2015 to 2020 Escalade, Tahoe, Suburban and Yukon with push-button start (guide 109951).
Where are the turn signal, reverse and light wires on a 2017 Chevrolet Suburban for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
Left turnNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
Right turnNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
Park lightNegative -Not yet checked
Light Green/Gray (key) or Green/Gray (push-button)
White 26-pin plug on the body control module, pin 22Ground when the parking lights are on.
HeadlightNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
ReverseNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
Dome lightNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
Each chip shows the main insulation color with its stripe. Source: Fortin's GM full-size install guide with a key (guide 78561, listed by Fortin for this SUV) and Fortin's install guide for the 2015 to 2020 Escalade, Tahoe, Suburban and Yukon with push-button start (guide 109951).
Where are the brake, door, speed and CAN wires on a 2017 Chevrolet Suburban for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Green (single wire)
Blue 27-pin BCM plug pin 22 (key) or gray 26-pin BCM plug pin 23 (push-button)Single-wire GM data bus. Never cut or splice it.
DoorsNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
BrakePositive +Not yet checked
White/Green
Blue 27-pin plug on the body control module, pin 7Push-button trucks. 12V when the brake pedal is pressed.
Parking brakeNot 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.
Source: Fortin's GM full-size install guide with a key (guide 78561, listed by Fortin for this SUV) and Fortin's install guide for the 2015 to 2020 Escalade, Tahoe, Suburban and Yukon with push-button start (guide 109951). Wires marked Not found were not in the guides.
Where are the fuse boxes and ground points on a 2017 Chevrolet Suburban?
Driver dashBody control moduleAll the listed wires.
DashInterior fuse panelBackup feeds.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guides.
Where is the OBD-II port on a 2017 Chevrolet Suburban?
OBD II
Diagnostic portOBD-II port: under the dash, driver sidePlug-in GPS trackers and OBD harnesses connect here. Check the port before you plan the install.
Which years share wiring with the 2017 Chevrolet Suburban?
Twin SUVGMC Yukon XLSame long body under a different badge.
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This page covers the 2017 Chevrolet Suburban full-size SUV with a key or push-button start.
The wire colors come from Fortin's install guides, read wire by wire. Our own team has not yet metered these on a 2017 Suburban.
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 vehicle in front of you.
Common questions about 2017 Chevrolet Suburban wiring
What wire is constant power on a 2017 Chevrolet Suburban?
Red/Blue at the blue 27-pin plug on the body control module, pin 4. 12V battery feed on key-start trucks. Meter it before you tap it.
What wire is ignition on a 2017 Chevrolet Suburban?
Purple/Black at the green 25-pin plug on the body control module, pin 6. Hot with the key in run. Meter it before you tap it.
Where is the brake wire on a 2017 Chevrolet Suburban?
White/Green (positive +) at the blue 27-pin plug on the body control module, pin 7. Push-button trucks. Meter it before you tap it.
Which years share wiring with the 2017 Chevrolet Suburban?
2015, 2016, 2018, 2019, 2020. Same Fortin guides for these years.
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 2017 Chevrolet Suburban 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 2017 Chevrolet Suburban gets their name here, and it stays here.
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