Which wires give constant, ignition and ground on a 2008 Pontiac G6?
On a 2008 Pontiac G6, take constant power from the interior fuse panel (wire color not published), ignition from the Pink wire at the ignition plug at the key barrel (white or green), 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:Ignition plugSystem voltage:12VIgnition type:Key start (this page)
Where do I get constant, ignition and ground on a 2008 Pontiac G6?
Ignition and accessory are on one plug at the key barrel. Constant comes from a fuse tap.
Option 1 Switched power
Ignition plug
White or green plug at the key barrel.
Ignition
Pink
Ignition plug at the key barrel (white or green)Hot with the key in run. Pink is for the G6. Other cars on this guide use Yellow.
Accessory
Brown
Ignition plug at the key barrel (white or green)Accessory.
Ground
Body ground
Bare metal under the dashNo ground wire in the guide. Never the battery negative post.
The White wire on this plug is data. Never tap it. No starter wire is listed.
Option 2 Constant
Fuse tap
The guide lists no constant wire.
Constant
Fuse tap
Interior fuse panelNo constant wire is listed in the guide. Use a fuse tap.
Use an add-a-fuse.
From Fortin's install guide for the 2005 to 2010 G6 with a key (guide 25231).
Where are the turn signal, reverse and light wires on a 2008 Pontiac G6 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 lightNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
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 install guide for the 2005 to 2010 G6 with a key (guide 25231).
Where are the brake, door, speed and CAN wires on a 2008 Pontiac G6 for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Green (single wire CAN)
OBD-II port, pin 1Data only. Never cut it or use it for power.
DoorsNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
BrakeNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
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 install guide for the 2005 to 2010 G6 with a key (guide 25231). Wires marked Not found were not in the guide.
Where are the fuse boxes and ground points on a 2008 Pontiac G6?
Steering columnIgnition plugIgnition, accessory.
Interior fuse panelFuse tapConstant.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guide.
Where is the OBD-II port on a 2008 Pontiac G6?
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 2008 Pontiac G6?
This page2008Pontiac G6.
Same wiring2005, 2006, 2007, 2009, 2010Fortin uses the same guide for these years.
Push-to-startNot coveredCars with keyless start are not on this page.
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This page covers the 2008 Pontiac G6 with a key start.
The wire colors come from Fortin's install guide, read wire by wire. Our own team has not yet metered these on a 2008 G6.
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 2008 Pontiac G6 wiring
What wire is ignition on a 2008 Pontiac G6?
Pink at the ignition plug at the key barrel (white or green). Hot with the key in run. Meter it before you tap it.
Which years share wiring with the 2008 Pontiac G6?
2005, 2006, 2007, 2009, 2010. Fortin uses the same guide 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 2008 Pontiac G6 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 2008 Pontiac G6 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 vehicle, compliments of" you.
Want to be famous?
Your name, right on this page, for everyone who uses it to see. Add your tip and your photos in one box.
