Which wires give constant, ignition and ground on a 2024 Nissan Altima?
On a 2024 Nissan Altima, take constant power from the Blue wire at the OBD-II port (white 16-pin), under the dash, driver side, pin 16, ignition from the Tan wire at the OBD-II port (white 16-pin), under the dash, driver side, pin 8, and ground to the Black wire at the OBD-II port (white 16-pin), under the dash, driver side, pin 4. 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:Behind the OBD-II portSystem voltage:12VIgnition type:Push-button
Where do I get constant, ignition and ground on a 2024 Nissan Altima?
Constant, ignition and ground are all on the back of the OBD-II port on this Altima.
Option 1 All three
Behind the OBD-II port
White 16-pin port under the dash, driver side.
Constant
Blue
OBD-II port (white 16-pin), under the dash, driver side, pin 1612V battery feed.
Ignition
Tan
OBD-II port (white 16-pin), under the dash, driver side, pin 8Hot with the button in on.
Ground
Black
OBD-II port (white 16-pin), under the dash, driver side, pin 4Chassis ground.
Tap behind the port or use a pass-through OBD harness.
Option 2 Backup
Fuse tap
For switched power.
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 2019 to 2025 Altima (guide 87891).
Where are the turn signal, reverse and light wires on a 2024 Nissan Altima 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 2019 to 2025 Altima (guide 87891).
Where are the brake, door, speed and CAN wires on a 2024 Nissan Altima for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
Trunk releaseNegative -Not yet checked
Brown
White 4-pin plug at the trunk switchTrunk release input.
Hazard switchNegative -Not yet checked
White/Yellow
Body control module, left of the steering column, gray 40-pin plugHazard switch input, not a lamp output.
CAN dataDataNot yet checked
Blue (high)
Pink (low)
Body control module, left of the steering column, green 40-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 2019 to 2025 Altima (guide 87891). Turn, park, headlight, reverse, dome, brake and speed wires were not found.
Where are the fuse boxes and ground points on a 2024 Nissan Altima?
DashBody control moduleBehind the cluster (2013 to 2018) or left of the column (2019 and newer).
DiagnosticOBD-II portPower on 2019 and newer.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guides.
Where is the OBD-II port on a 2024 Nissan Altima?
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 2024 Nissan Altima?
Not this page2013 to 2018Different generation, different plugs.
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This page covers the 2024 Nissan Altima sedan with push-button start.
The wire colors come from Fortin's install guide, read wire by wire. Our own team has not yet metered these on a 2024 Altima.
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 2024 Nissan Altima wiring
What wire is constant power on a 2024 Nissan Altima?
Blue at the OBD-II port (white 16-pin), under the dash, driver side, pin 16. 12V battery feed. Meter it before you tap it.
What wire is ignition on a 2024 Nissan Altima?
Tan at the OBD-II port (white 16-pin), under the dash, driver side, pin 8. Hot with the button in on. Meter it before you tap it.
Which years share wiring with the 2024 Nissan Altima?
2019, 2020, 2021, 2022, 2023, 2025. 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 2024 Nissan Altima 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 2024 Nissan Altima 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.
