2003 honda civic wiring diagram

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=51301
Printed Date: May 10, 2025 at 9:57 AM

Topic: 2003 honda civic wiring diagram

Posted By: arctic25
Subject: 2003 honda civic wiring diagram
Date Posted: March 04, 2005 at 6:50 PM

Hey, I am going to be doing a keyless and remote start on my brother-in-laws 2003 honda civic here soon, and I was wondering if anyone can help me out by getting me the wiring diagram. If not, if you can point to the place I can get one, all the better.

thanks

Replies:

Posted By: mobileworks
Date Posted: March 04, 2005 at 9:45 PM

12volts	white	+	ignition harness
Starter	BLACK/ white	+	ignition harness
Second Starter	N/A
Ignition	BLACK / YELLOW	+	ignition harness
Second Ignition	N/A
Third Ignition	N/A
Accessory	BLACK/ red	+	ignition harness
Second Accessory	WHITE/ red	+	ignition harness
Keysense	RED / white	-	ignition harness
Power Lock	WHITE/ blue	-	gray plug above driver kick
Power Unlock	WHITE/ green	-	gray plug above driver kick
Lock Motor	yellow/black	5wi	back of the fusebox
Notes: In the top left plug.
Unlock Motor	YELLOW /GREEN	5wi	back of the fusebox
Notes: In the top left plug.
Parking Lights+	RED / black	+	back of the fusebox
Parking Lights-	blue	-	factory alarm plug
Notes: The factory alarm plug is a green plug above the driver kick panel.

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Posted By: mobileworks
Date Posted: March 04, 2005 at 9:47 PM

Reverse Light	green	+	driver kick panel
Door Trigger		-	factory alarm plug
Notes: The driver door trigger is green, front passenger door trigger is lt. GREEN/ red, and the rear door trigger is GREEN / WHITE. Use all wires and diode isolate each. The factory alarm plug is a green plug above the driver kick panel.
Dome Supervision	comes on with unlock
Trunk/Hatch Pin	red	-	factory alarm plug
Notes: The factory alarm plug is a green plug above the driver kick panel.
Hood Pin	N/A
Trunk/Hatch Release	N/A
Power Sliding Door	N/A
Factory Alarm Arm
Factory Alarm Disarm
Disarm No Unlock
Tachometer	blue	ac	test connector
Notes: It is a 2 pin plug to the passenger side of the battery.
Wait to start	N/A
Brake Wire	WHITE/ black	+	brake pedal switch
Parking Brake
Horn Trigger	orange	-	steering column

Type: Transponder

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Posted By: arctic25
Date Posted: March 07, 2005 at 6:03 PM

thanks for the reply. this should help me out alot.

later