Which wires give constant, ignition and ground on a 2023 Honda Civic?
On a 2023 Honda Civic, take constant power from the Red wire at the body control module behind the driver side fuse box, white 66-pin plug, ignition from the Purple wire at the body control module behind the driver side fuse box, brown 66-pin plug, and ground to the Black wire at the body control module behind the driver side fuse box, white 66-pin plug. 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:Body control moduleSystem voltage:12VIgnition type:Push-button
Where do I get constant, ignition and ground on a 2023 Honda Civic?
Power is on two 66-pin plugs at the body control module behind the driver side fuse box.
Option 1 Constant and ground
White 66-pin plug
At the body control module.
Constant
Red
Body control module behind the driver side fuse box, white 66-pin plug12V battery feed.
Ground
Black
Body control module behind the driver side fuse box, white 66-pin plugGround. Fortin prints Black, and Brown on 2024 and 2025 cars.
CAN and parking light are on this plug too.
Option 2 Ignition
Brown 66-pin plug
Same module.
Ignition
Purple
Body control module behind the driver side fuse box, brown 66-pin plugIgnition 1.
Accessory
Gray
Body control module behind the driver side fuse box, brown 66-pin plugAccessory.
Starter is White on the brown plug, like the push-button wire. Never tap either.
From Fortin's install guide for the 2022 and newer Civic (guide 102701).
Where are the turn signal, reverse and light wires on a 2023 Honda Civic 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
Gray
Body control module behind the driver side fuse box, white 66-pin plugGround 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 guide for the 2022 and newer Civic (guide 102701).
Where are the brake, door, speed and CAN wires on a 2023 Honda Civic for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Pink (high)
Blue (low)
Body control module behind the driver side fuse box, white 66-pin plugNever cut or splice the CAN wires.
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 2022 and newer Civic (guide 102701). Turn, headlight, reverse, dome, door, brake and speed wires were not found.
Where are the fuse boxes and ground points on a 2023 Honda Civic?
Steering columnIgnition switch plugKey-start power, 2016 to 2021.
DashBody control modulePush-button power.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guides.
Where is the OBD-II port on a 2023 Honda Civic?
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 2023 Honda Civic?
This page2023Honda Civic, gas.
Same wiring2022, 2024, 2025, 2026Fortin uses the same guides for these years.
Changes2022New generation with different plugs and colors.
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This page covers the 2023 Honda Civic (gas).
The wire colors come from Fortin's install guides, read wire by wire. Our own team has not yet metered these on a 2023 Civic.
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 2023 Honda Civic wiring
What wire is constant power on a 2023 Honda Civic?
Red at the body control module behind the driver side fuse box, white 66-pin plug. 12V battery feed. Meter it before you tap it.
What wire is ignition on a 2023 Honda Civic?
Purple at the body control module behind the driver side fuse box, brown 66-pin plug. Ignition 1. Meter it before you tap it.
Which years share wiring with the 2023 Honda Civic?
2022, 2024, 2025, 2026. Fortin uses the same guides 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 2023 Honda Civic 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 2023 Honda Civic 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.
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Your name, right on this page, for everyone who uses it to see. Add your tip and your photos in one box.
