2003 Honda Accord Car Alarm Wiring Diagram


Question: Where can I find a 2003 Honda Accord alarm wiring diagram? How do I find a 2003 Honda Accord car alarm wiring diagram?

Whether you’re an expert Honda Accord car alarm installer, Honda Accord fanatic, or a novice Honda Accord enthusiast, an Honda Accord car alarm wiring diagram is a must. One of the most time consuming tasks with installing a car alarm is identifying the correct wires. If you want to know how to disconnect car alarm in your 2003 Honda Accord or figure our why car alarm goes off, a 2003 Honda Accord alarm wiring diagram can save you a lot of time. Knowing what every wire does in your 2003 Honda Accord alarm wire harness takes the guess work out of changing your car alarm or fixing your car alarm system. Our 2003 Honda Accord alarm wiring diagram shows you all the 2003 Honda Accord alarm wire colors and what they do. Use our 2003 Honda Accord alarm wiring guide to install a car alarm to prevent catalytic converter theft or disable a car alarm.

2003 Honda Accord Car Alarm Wiring Diagram

Knowing your 2003 Honda Accord alarm wire colors makes it easy to install your car alarm. Our 2003 Honda Accord alarm wiring guide shows you how to connect car alarm wires and helps you when your car alarm keeps going off. It also helps you when car alarm will not turn off, when car alarm goes off randomly, when car alarm does not sound and more.

Application Car Alarm Wire Color
Car Alarm Battery Constant Power 12v+ Wire (+) White
Car Alarm Battery Constant Power 12v+ Wire Location At Ignition Switch Harness
Car Alarm Ignition Wire (+) Black/Yellow
Car Alarm Ignition Wire Location At Ignition Switch Harness
Car Alarm Second Ignition Wire (+) N/A
Car Alarm Second Ignition Wire Location N/A
Car Alarm Accessory Wire (+) Black/Red
Car Alarm Accessory Wire Location At Ignition Switch Harness
Car Alarm Second Accessory Wire (+) White/Red
Car Alarm Second Accessory Wire Location At Ignition Switch Harness
Car Alarm Starter Wire (+) Black/White
Car Alarm Starter Wire Location At Ignition Switch Harness
Car Alarm Ground Wire Chassis

2003 Honda Accord Alarm Sensor and Accessory Wiring Guide

Knowing your 2003 Honda Accord alarm wire colors makes it super easy to install your car alarm. Our 2003 Honda Accord car alarm wire guide shows you how to connect alarm sensors and alarm accessories with ease. It also shows you what car alarm sensor wire to use, which door trigger wire is positive, which power door lock wire and power door unlock wire you need. Find your 2003 Honda Accord car alarm wire below!

Application Wire Color
Brake Light Wire (+) White/Black
Brake Light Wire Location At Switch Above Brake Pedal
Dome Light Supervision Wire Green/Red
Dome Light Supervision Wire Location At Back Of Fuse Box (Light Green 5-Pin Plug)
Door Trigger Wire (-) The driver door is a green (-) in the light green 16-pin plug, pin 15, the passenger door is a light green/red (-) in the light green 14-pin plug, pin 12, the drivers rear door is a green/yellow (-) in the light green 16-pin plug, pin 14 and the passenger rear door is a green/white (-) in the light green 14-pin plug, pin 13. When connecting to an alarm system use all 4 door trigger wires and diode isolate.
Door Trigger Wire Location At Back Of Fuse Box
Hood Pin Switch Wire (-) Yellow/Red to Green/Black
Hood Pin Switch Wire Location At Hood Latch
Horn Wire (-) Green/Yellow
Horn Wire Location At Steering Column
Key Sense Wire (+) Red/White or Red/Black
Key Sense Wire Location At Ignition Harness or MICU (green plug, pin 13). The MICU (Multiplex Integrated Control Unit) is part of the under dash fuse/relay box. The plug(s) for the MICU is on the left side edge of the fuse/relay box.
Parking Light Wire (+) Red/Black
Parking Light Wire Location At Top of Fuse Box (Large White Plug)
Power Door Lock Wire (-) Pink/Black
Power Door Lock Wire Location At MICU (Green Plug, Pin 25). The MICU (multiplex integrated control unit), is part of the under dash fuse/relay box. The plugs for the MICU module are on the left side edge of the relay/fuse box.
Power Door Unlock Wire (-) Pink/Blue
Power Door Unlock Wire Location At MICU (Green Plug, Pin 25). The MICU (multiplex integrated control unit), is part of the under dash fuse/relay box. The plugs for the MICU module are on the left side edge of the relay/fuse box.
Tachometer Wire (-) Blue/Red or Blue
Tachometer Wire Location At ECM/PCM. The ECM/PCM is on the front of the transmission tunnel. The connectors are on the passenger side. On the 4 cylinder models the tachometer wire is in the white 31 pin connector E, pin 25. On the 6 cylinder models it is in the gray connector A, pin 23. Can also go to any ignition coil and use the wire that is NOT black/white or black. Can also go to any fuel injector and use the wire that is NOT yellow/black.
Trunk Pin Switch Wire (-) Blue/Black
Trunk Pin Switch Wire Location At MICU (Green Plug, Pin 25). The MICU (multiplex integrated control unit), is part of the under dash fuse/relay box. The plugs for the MICU module are on the left side edge of the relay/fuse box.
Trunk Release Wire (+) Yellow/Green
Trunk Release Wire Location In Drivers Kick Panel (Harness To Rear Of Vehicle)

2003 Honda Accord Alarm Immobilizer Wiring and Location

Knowing your 2003 Honda Accord immobilizer wiring makes it simple to install new car alarm. Our 2003 Honda Accord car alarm guide shows you the exact wire color and where the alarm wires are located in your car. It also tells you where your 2003 Honda Accord immobilizer is located. Find your 2003 Honda Accord alarm and immobilizer location below!

Application Wire Color
Factory Alarm Arm Wire (-) Blue/White to White/Red
Factory Alarm Arm Wire Location At Door Module in Drivers Door
Factory Alarm Disarm Wire (-) Black/Red to White
Factory Alarm Disarm Wire Location At Door Module in Drivers Door
Factory Anti-Theft System Honda Transponder Anti-Theft System
Factory Immobilizer Bypass Requires Immobilizer Bypass Module

Questions and Answers

Have any questions about your 2003 Honda Accord alarm installation? Please feel free to post it at the bottom of this page. We will do our best to find you the answer you are looking for. Or hopefully someone in the Modified Life community will respond with the car alarm information you are looking for.

Contribute

Want to help the Modified Life community by contributing 2003 Honda Accord alarm wire diagram information? Feel free to post it at the bottom of this page. Thank you in advance for your contribution!

Conclusion

Feel free to use any 2003 Honda Accord alarm wire diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 2003 Honda Accord alarm wiring guide is at your own risk. Always verify all alarm wire, car alarm wire colors and wiring information before applying it to your 2003 Honda Accord.

Leave a Comment

Your email address will not be published.