How To Honda Accord Car Alarm Wiring Diagram

Just because you happen to own a Honda doesn’t mean you can’t stop car thieves. In fact, many Accord owners resort to a host of different solutions to stop their Honda from being stolen. One of the most common solutions is to install a car alarm. If you are looking for the directions on how to theft proof your Accord, check out our Honda Accord car alarm wiring guide below.

Whether you are installing an aftermarket alarm, fuel pump kill switch or ignition kill, these Honda Accord car alarm wiring directions will help. Quickly get to the wires and the switches you need to get the job done. Using our comprehensive Honda Accord car alarm wiring guide will save your time, money and heartache.

Wondering just how you can stop your Honda from being stolen? An excellent start is installing a car alarm. It doesn’t even have to be the best Honda car alarm on the market. Something with ignition kill and maybe GPS enabled features is more than enough for your Honda Accord.

Accord car alarm wiring guide

Stolen Accords are still commonplace, despite the fact that many of the late model Hondas employ advanced anti-theft measures. One of these technologies geared towards stopping car thieves is called the Immobilizer.

While most Accords don’t enjoy the aftermarket following of let’s say the Civic, they are still stolen in record numbers. According to most auto insurance agencies, the Accord is still the most stolen car on the face of the Earth.

Fourth Generation (1990–1993) Honda Accord Car Alarm Wiring Guide

For people who can remember the Accord holding the title of “World’s most stolen car” know that car thieves will stop at nothing. That’s why the best Accord car alarm should help deter or at least slow down car theft. While the Accord doesn’t quite have the same level of popularity, it’s still very sought after for engine swap parts.

Good news our Honda Accord car alarm wiring schematic doesn’t care if you have VTEC or not. Should you find yourself still at the mercy of car thieves you can take an extra measure. Our guide on installing a fuel pump kill switch can stop car thieves cold in their tracks.

Constant 12V+ Wire: White – This wire is located in your steering column. You can also opt for a turbo timer if you want to save your factory ignition wires.

• Starter Wire (+): Black/White
• Ignition Wire (+): Black/Yellow
• Accessory Wire: Yellow

These wires are all grouped at your Honda Accord ignition switch. Because of the nature of our Honda Accord car alarm wiring guide, we will also be showing you how to remote start the Accord.

• Door Lock Wire (-): Black/White
• Door Unlock Wire (-): Black/Red
• Door Trigger Wire (-): Black/White

To locate the door unlock wires, you must open the driver side kick panel. Reach under your Honda Accord dash to reach these wires. For the Honda Accord door trigger wire, this is located to the left of your Honda steering column.

• Parklight Positive Wire (+): Red/Black
• Horn Wire (-): Light Green/Blue
• Brake Wire (+): Green/White

Fifth Generation (1994–1997) Honda Accord Car Alarm Wiring Diagram

This year range Accord is the last of it’s kind. If you want to install an aftermarket car alarm, this is the last generation you can do this without having to deal with the factory alarm system. When wiring up your Honda using our alarm wiring guide, you should look to your ignition switch for the following wires.

• Constant 12V+ Wire: White
• Starter Wire: Black/White
• Ignition Wire: Black/Yellow
• Ignition 2 Wire: White/Black
• Accessory Wire: Yellow

After you wire up the alarm head unit, you can move ahead to the Accord door triggers and trunk switches.

• Trunk Pin Switch Wire: Orange (-)
• Trunk Release Switch Wire: White/Red (+)
• Headlight Wire: Blue
• Door Trigger Wire: Black/White (-)
• Door Lock Wire: Black/White (-)
• Door Unlock Wire: Orange (-)

When using our Honda Accord Car Alarm wiring Diagram, make sure you always use the proper safety equipment and disconnect your battery.

Sixth Generation (1998–2002) Honda Accord Car Alarm wiring Diagram

This generation of Honda Accord will hold a soft spot for many enthusiasts. One of the first to be modded heavily, these Accords enjoyed increased displacement and an excellent overall build quality.

• Battery Constant 12v+ Positive Wire (+): White
• Ignition Positive Wire (+): Black/Yellow
• Starter Positive Wire (+): Black/White
• Accessory Positive Wire (+): Yellow
• Second Accessory Positive Wire (+): White/Black

Like most Hondas in this generational range, these ignition wires are in your steering column. Most columns can be opened by removing the 3 screws on the underside of your column housing.

Something to keep in mind if you are after an Honda ignition kill on this car alarm install. If you intend on a Accord ignition kill switch, make sure to splice your alarm into the wire from the key switch and the fuse box. Doing this step incorrectly will cause the check engine light to turn on.

Whether you are professional car alarm install shop or a DIY’er in your garage, you need our Honda Accord car alarm wiring guide to help.

• Parking Light Negative Wire (-): Red/Yellow
• Parking Light Positive Wire (+): Red/Black

Locate both of these wires in the Honda Accord driver side fusebox. Use vampire clips to install the Accord car alarm if you are squeamish about splicing.

• Power Door Lock Negative Wire (-): Black/Blue
• Power Door Unlock Negative Wire (-): Orange

Unfortunately the Accord in this year range has some added difficulty when installing a car alarm. Because of the factory alarm, you will need this Honda Accord Car Alarm Wiring guide to bypass this unit the right way.

Failure to bypass the Accord factory alarm will result in you being possibly locked out. Don’t find out the hard way. If your vehicle does not have factory security, you will need ; black/white for negative current (lock), and green / red for unlock.

Door Trigger Negative Wire (-): Black/White
Trunk Release Positive Wire (+): White/Red

In order to wire up your Honda Accord car alarm to open your truck, you’ll need an automotive relay. Not sure how to wire up a relay? Check out our guide.

Honda Accord Car Alarm Wiring – Factory Alarm Disarm

For Accord EX models, this is a blue wire that’s located at the window switch. For LX owners, you will need to tap into the security module that’s attached under the driver side dash.

Seventh Generation (2003–2007) Honda Accord Car Alarm Wiring Guide

If you thought wiring up a car alarm in the Accord was difficult, this generation truly poses a challenge. Because of the Honda Immobilizer system, you should really have as much information on hand before you start your project.

That’s why our comprehensive Honda Accord Car Alarm Wiring Guide is exactly what you need. Our car alarm wiring schematic also covers the door lock modules, and what you need to do to make those work.

• Battery Constant 12v+ Positive Wire (+): White
• Starter Positive Wire (+): Black/White
• Ignition Positive Wire (+): Black/Yellow
• Accessory Positive Wire (+): Black/Red
• Second Accessory Positive Wire (+): White/Red

For all power doors, you will need to tap into the Honda Accord MICU. This is the body control unit that’s also known as the multiplex integrated control unit. It’s located in the fusebox under your Honda Accord dash.

• Power Door Lock Negative Wire (-): Pink/Black – Green plug – pin 25
• Power Door Unlock Negative Wire (-): Pink/Blue
• Driver Door Trigger Negative Wire (-): Green (-) Green plug pin 15
• Passenger Door Trigger : Light green/red (-) Green plug pin 12
• Driver side rear door : green/yellow (-) pin 14
• Passenger side rear door : green/white (-) pin 13
• Trunk Release Positive Wire (+): Yellow/Green (Requires Relay)
• Brake Light Positive Wire (+): White/Black
• Factory Alarm Disarm Wire (-): Black/Red To White

Eighth Generation (2008–2012) Honda Accord Car Alarm Wiring Schematic

Before you begin the car alarm install on your Honda Accord, understanding the Honda Immobilizer system is a good idea. Because this factory Anti-Theft system can render your vehicle completely useless, use care when wiring up your auto alarm.

• Battery Constant 12v+ Positive Wire (+): White
• Starter Positive Wire (+): Yellow
• Ignition Positive Wire (+): Blue
• Second Ignition Positive Wire (+): Orange
• Accessory Positive Wire (+): Red
• Key Sense Wire: White

Like most Hondas, these wires are grouped at the ignition switch in your steering column. When wiring these to your Accord car alarm, make sure to disconnect the battery.

• Power Door Lock Negative Wire (-): Orange
• Power Door Unlock Negative Wire (-): Brown and White
• Trunk Trigger Negative Wire (-): White
• Factory Alarm Arm Wire (-): Orange
• Factory Alarm Disarm Wire (-): Brown

The door triggers are located in the driver side door of your Accord. These wires run into a security BCM that must be properly wired up for your Accord alarm to function.

Have any questions about our Honda Accord car alarm wiring guide? Leave us a comment below and let us know!