Which wires give constant, ignition and ground on a 2012 Toyota Matrix?
On a 2012 Toyota Matrix, take constant power from the Blue wire at the white 8-pin plug on the ignition harness, pin 7, ignition from the Brown wire at the white 8-pin plug on the ignition harness, 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:Ignition harness plugSystem voltage:12VIgnition type:Key start (this page)
Where do I get constant, ignition and ground on a 2012 Toyota Matrix?
Constant and ignition are on one plug at the ignition harness.
Option 1 Main option
Ignition harness plug
White 8-pin plug on the steering column.
Constant
Blue
White 8-pin plug on the ignition harness, pin 712V battery feed.
Ignition
Brown
White 8-pin plug on the ignition harness, pin 6Ignition 1, hot with the key in run. Ignition 2 is Green on pin 4.
Accessory
Fuse tap
Not in the guideNo accessory wire is listed. Use a fuse tap.
Ground
Body ground
Bare metal under the dashNo ground wire in the guide. Never the battery negative post.
Starter is Black on pin 8. A second starter wire, White, is on 2.4L cars only. Never tap them.
Option 2 Accessory
Fuse tap
For an accessory feed.
Accessory
Fuse tap
Interior fuse panelNo accessory wire in the guide. Find a slot hot in accessory and run.
Use an add-a-fuse.
From Fortin's install guides for the 2009 to 2010 Matrix (guide 81721) and the 2010 to 2014 Matrix (guide 92171), which show the same power wires.
Where are the turn signal, reverse and light wires on a 2012 Toyota Matrix 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
Brown
White 20-pin light switch harnessNegative 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 guides for the 2009 to 2010 Matrix (guide 81721) and the 2010 to 2014 Matrix (guide 92171), which show the same power wires.
Where are the brake, door, speed and CAN wires on a 2012 Toyota Matrix for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Lt.Green (high)
White (low)
OBD-II port, pins 6 and 14Data only. Never cut it or use it for power.
BrakeNot foundNot yet checked
Not found
Not foundWe found no source for this wire.
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 guides for the 2009 to 2010 Matrix (guide 81721) and the 2010 to 2014 Matrix (guide 92171), which show the same power wires. Wires marked Not found were not in the guide.
Where are the fuse boxes and ground points on a 2012 Toyota Matrix?
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guides.
Where is the OBD-II port on a 2012 Toyota Matrix?
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 2012 Toyota Matrix?
This page2012Toyota Matrix.
Same wiring2009, 2010, 2011, 2013Fortin shows the same power wires for these years.
Other years2005, 2006, 2007, 2008Different colors. Check the page for your year.
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This page covers the 2012 Toyota Matrix hatchback 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 2012 Matrix.
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 2012 Toyota Matrix wiring
What wire is constant power on a 2012 Toyota Matrix?
Blue at the white 8-pin plug on the ignition harness, pin 7. 12V battery feed. Meter it before you tap it.
What wire is ignition on a 2012 Toyota Matrix?
Brown at the white 8-pin plug on the ignition harness, pin 6. Ignition 1, hot with the key in run. Meter it before you tap it.
Which years share wiring with the 2012 Toyota Matrix?
2009, 2010, 2011, 2013. Fortin shows the same power wires 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 2012 Toyota Matrix 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 2012 Toyota Matrix 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.
