Which wires give constant, ignition and ground on a 2009 Chevrolet Cobalt?
On a 2009 Chevrolet Cobalt, take constant power from the Red/Black wire at the red 41-pin plug C3 on the body control module, right side of the center console, ignition from the Yellow wire at the green 6-pin ignition plug, steering column, pin 3, 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 plug and body moduleSystem voltage:12VIgnition type:Key start (this page)
Where do I get constant, ignition and ground on a 2009 Chevrolet Cobalt?
Ignition and accessory are at the key cylinder. Constant is at the body control module in the center console.
Option 1 All the power
Ignition plug and body module
Green 6-pin plug on the column, red 41-pin plug at the module.
Constant
Red/Black
Red 41-pin plug C3 on the body control module, right side of the center console12V battery feed. Fuse it close to the tap.
Ignition
Yellow
Green 6-pin ignition plug, steering column, pin 3Hot with the key in run.
Accessory
Brown
Green 6-pin ignition plug, steering column, pin 4Accessory. The parking light wire at the module is also Brown.
Ground
Body ground
Bare metal under the dashNo ground wire in the guide. Never the battery negative post.
No starter wire is shown here. Meter before you tap.
Option 2 Backup
Fuse tap
If you would rather not open the column.
Ignition
Fuse tap
Interior fuse panelBackup: a slot that is dead off and hot on.
Use an add-a-fuse.
From Fortin's install guide for the 2005 to 2010 Cobalt and 2006 to 2011 HHR with a key (guide 104441).
Where are the turn signal, reverse and light wires on a 2009 Chevrolet Cobalt 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 lightPositive +Not yet checked
Brown
Red 41-pin plug C3 on the body control module, right side of the center consolePositive parking light. Meter it first.
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 Cobalt and 2006 to 2011 HHR with a key (guide 104441).
Where are the brake, door, speed and CAN wires on a 2009 Chevrolet Cobalt for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Green (single wire)
OBD-II port, pin 1Single-wire CAN. Never cut or splice it.
BrakePositive +Not yet checked
Lt.Blue
White 72-pin plug C2 on the body control modulePositive with the pedal down.
DoorsNot 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 Cobalt and 2006 to 2011 HHR with a key (guide 104441). Wires marked Not found were not in the guide.
Where are the fuse boxes and ground points on a 2009 Chevrolet Cobalt?
Steering columnGreen 6-pin plugIgnition and accessory.
Center consoleBody control moduleConstant and parking light.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guide.
Where is the OBD-II port on a 2009 Chevrolet Cobalt?
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 2009 Chevrolet Cobalt?
This page2009Chevrolet Cobalt.
Same wiring2005, 2006, 2007, 2008, 2010Fortin uses the same guide for these years.
Help build this pageWant to be famous?Share a wire color, a photo or a tip for this vehicle, and your name goes on this page.
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This page covers the 2009 Chevrolet Cobalt compact car 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 2009 Cobalt.
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 2009 Chevrolet Cobalt wiring
What wire is constant power on a 2009 Chevrolet Cobalt?
Red/Black at the red 41-pin plug C3 on the body control module, right side of the center console. 12V battery feed. Meter it before you tap it.
What wire is ignition on a 2009 Chevrolet Cobalt?
Yellow at the green 6-pin ignition plug, steering column, pin 3. Hot with the key in run. Meter it before you tap it.
Where is the brake wire on a 2009 Chevrolet Cobalt?
Lt.Blue (positive +) at the white 72-pin plug C2 on the body control module. Positive with the pedal down. Meter it before you tap it.
Which years share wiring with the 2009 Chevrolet Cobalt?
2005, 2006, 2007, 2008, 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 2009 Chevrolet Cobalt 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.
★
Founding contributor spot: openThe first installer to confirm a wire or send photos for the 2009 Chevrolet Cobalt gets their name here, and it stays here.
★
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.
