Which wires give constant, ignition and ground on a 2016 Toyota Highlander?
On a 2016 Toyota Highlander, take constant power from the Black wire at the white 8-pin ignition switch plug, steering column, ignition from the Black wire at the white 8-pin ignition switch plug, steering column, 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 switch or steering lock plugSystem voltage:12VIgnition type:Key or push-button
Where do I get constant, ignition and ground on a 2016 Toyota Highlander?
Key-start and push-button Highlanders use different plugs. Pick the box that matches the truck.
Option 1 Key start
Ignition switch plug
White 8-pin plug on the key cylinder.
Constant
Black
White 8-pin ignition switch plug, steering columnBattery feed, 12V.
Ignition
Black
White 8-pin ignition switch plug, steering columnIGN1. Two Black wires here, so meter: this one is hot only with the key in run.
Accessory
Green
White 8-pin ignition switch plug, steering columnIGN2.
Ground
Body ground
Bare metal under the dashNo ground color printed. Never the battery negative post.
The Blue wire on this plug is the starter. Never tap it.
Option 2 Push-button
Steering lock plug
Black 7-pin plug under the steering column.
Constant
Black
Black 7-pin steering lock plug, under the column12V battery feed.
Ignition
Red
Black 7-pin steering lock plug, under the columnHot with the button in on.
Ground
Body ground
Bare metal under the dashNo ground color printed.
Meter both wires before you tap.
From Fortin's install guides for the 2014 to 2016 Highlander (guides 30751 key start and 68211 push-button).
Where are the turn signal, reverse and light wires on a 2016 Toyota Highlander 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
Black plug at the parking light switch (key-start trucks)Ground 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 install guides for the 2014 to 2016 Highlander (guides 30751 key start and 68211 push-button).
Where are the brake, door, speed and CAN wires on a 2016 Toyota Highlander for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Purple (high)
White (low)
OBD-II port, pins 6 and 14Never cut or splice the CAN wires.
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 guides for the 2014 to 2016 Highlander (guides 30751 key start and 68211 push-button). Turn, headlight, reverse, dome, brake and speed wires were not found.
Where are the fuse boxes and ground points on a 2016 Toyota Highlander?
Steering columnIgnition or steering lock plugPower on 2014 to 2021 trucks.
Behind the glove boxSmart key module and body ECUPower on 2022 and newer.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guides.
Where is the OBD-II port on a 2016 Toyota Highlander?
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 2016 Toyota Highlander?
This page2016Toyota Highlander, gas.
Same wiring2014, 2015Fortin 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 2016 Toyota Highlander SUV (gas). Hybrid models use different Fortin guides and are not covered here.
The wire colors come from Fortin's install guides, read wire by wire. Our own team has not yet metered these on a 2016 Highlander.
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 2016 Toyota Highlander wiring
What wire is constant power on a 2016 Toyota Highlander?
Black at the white 8-pin ignition switch plug, steering column. Battery feed, 12V. Meter it before you tap it.
What wire is ignition on a 2016 Toyota Highlander?
Black at the white 8-pin ignition switch plug, steering column. IGN1. Meter it before you tap it.
Which years share wiring with the 2016 Toyota Highlander?
2014, 2015. 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 2016 Toyota Highlander 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 2016 Toyota Highlander 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.
