Which wires give constant, ignition and ground on a 2019 Kia Optima?
On a 2019 Kia Optima, take constant power from the Red wire at the black 4-pin plug on the front of the fuse box, pin 1, ignition from the Pink wire at the white 58-pin plug at the driver kick panel, 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:Driver kick panel plugSystem voltage:12VIgnition type:Push-button (this page)
Where do I get constant, ignition and ground on a 2019 Kia Optima?
Ignition and accessory are at the driver kick panel. Constant is on the front of the fuse box.
Option 1 All the power
Driver kick panel and fuse box
White 58-pin plug at the kick panel, black 4-pin plug on the fuse box.
Constant
Red
Black 4-pin plug on the front of the fuse box, pin 112V battery feed. Fuse it close to the tap.
Ignition
Pink
White 58-pin plug at the driver kick panelHot with the button on.
Accessory
White
White 58-pin plug at the driver kick panelAccessory.
Ground
Body ground
Bare metal at the kick panelNo ground wire in the guide. Never the battery negative post.
Starter is Gray/Black. Never tap it.
Option 2 Backup
Fuse tap
If you would rather not open the kick panel.
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 2020 Optima with push-button start (guide 81771).
Where are the turn signal, reverse and light wires on a 2019 Kia Optima 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 lightDataNot yet checked
Gray
Black 16-pin plug on the parking lights switchMultiplex (data) parking light wire. Do not use it as a simple on/off trigger.
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 2020 Optima with push-button start (guide 81771).
Where are the brake, door, speed and CAN wires on a 2019 Kia Optima for advanced 360 multicam and video telematics installs?
Circuit
Wire color
Location and what it does
CAN dataDataNot yet checked
Yellow (CAN1 high)
Black (CAN1 low)
White 32-pin plug, back of the fuse boxNever cut or splice the CAN wires.
CAN dataDataNot yet checked
White (CAN2 high)
Brown (CAN2 low)
OBD-II portSecond network. Never cut or splice it.
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 2020 Optima with push-button start (guide 81771). Wires marked Not found were not in the guide.
Where are the fuse boxes and ground points on a 2019 Kia Optima?
Driver kick panelWhite 58-pin plugIgnition and accessory.
Fuse boxBlack 4-pin and white 32-pinConstant and CAN.
Ground pointsBare body metalNever the battery negative post.
Locations from Fortin's install guide.
Where is the OBD-II port on a 2019 Kia Optima?
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 2019 Kia Optima?
This page2019Kia Optima.
Same wiring2020Fortin 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 2019 Kia Optima midsize 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 2019 Optima.
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 2019 Kia Optima wiring
What wire is constant power on a 2019 Kia Optima?
Red at the black 4-pin plug on the front of the fuse box, pin 1. 12V battery feed. Meter it before you tap it.
What wire is ignition on a 2019 Kia Optima?
Pink at the white 58-pin plug at the driver kick panel. Hot with the button on. Meter it before you tap it.
Which years share wiring with the 2019 Kia Optima?
2020. 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 2019 Kia Optima 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 2019 Kia Optima 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.
