Which wires give constant, ignition and ground on a 2020 Toyota 4Runner?
On a 2020 Toyota 4Runner, take constant power from the Blue wire at the white 8-pin ignition switch plug, steering column, pin 7, ignition from the Green wire at the white 8-pin ignition switch plug, steering column, 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 switch plugSystem voltage:12VIgnition type:Key start (this page)
Where do I get constant, ignition and ground on a 2020 Toyota 4Runner?
Constant, ignition and accessory are all on one plug at the key cylinder.
White 8-pin ignition switch plug, steering column, pin 6Ignition 1, hot with the key in run.
Accessory
Yellow
White 8-pin ignition switch plug, steering column, pin 4Ignition 2.
Ground
Body ground
Bare metal under the dashNo ground color printed. Never the battery negative post.
Starter is Red on pin 8 and Light Blue on pin 1. Never tap either.
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 2020 to 2022 4Runner with a key (guide 100671).
Where are the turn signal, reverse and light wires on a 2020 Toyota 4Runner 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 2020 to 2022 4Runner with a key (guide 100671).
Where are the brake, door, speed and CAN wires on a 2020 Toyota 4Runner for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
Driver doorNegative -Not yet checked
Purple
Body ECU white 30-pin plug, next to the fuse boxGround when the driver door is open.
CAN dataDataNot yet checked
Blue (high)
White (low)
Body ECU white 30-pin plug, next to the fuse boxNever 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 guide for the 2020 to 2022 4Runner with a key (guide 100671). Turn, headlight, reverse, dome, brake and speed wires were not found.
Where are the fuse boxes and ground points on a 2020 Toyota 4Runner?
Steering columnIgnition switch plugConstant, ignition and accessory.
DashBody ECU next to the fuse boxDoor and CAN on 2020 and newer.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guides.
Where is the OBD-II port on a 2020 Toyota 4Runner?
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 2020 Toyota 4Runner?
This page2020Toyota 4Runner with a key.
Same wiring2021, 2022Fortin uses the same guide for these years.
Changes2020The power colors change in 2020. 2023 and newer are not covered yet.
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This page covers the 2020 Toyota 4Runner SUV 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 2020 4Runner.
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 2020 Toyota 4Runner wiring
What wire is constant power on a 2020 Toyota 4Runner?
Blue at the white 8-pin ignition switch plug, steering column, pin 7. 12V battery feed. Meter it before you tap it.
What wire is ignition on a 2020 Toyota 4Runner?
Green at the white 8-pin ignition switch plug, steering column, pin 6. Ignition 1, hot with the key in run. Meter it before you tap it.
Which years share wiring with the 2020 Toyota 4Runner?
2021, 2022. 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 2020 Toyota 4Runner 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 2020 Toyota 4Runner 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.
