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2004 Mazda Miata Car Alarm Wiring Diagram


Whether your an expert installer or a novice enthusiast with a 2004 Mazda Miata, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car alarm, remote car starter, car security system or any mobile electronics is identifying the correct wires for a 2004 Mazda Miata.

The Modified Life staff has put their heads together to create an invaluable resource containing car alarm wiring diagram, remote car starter wiring diagram, car wiring diagram and car security wiring diagram. Feel free to use any car alarm wiring diagram or remote car starter wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind and most diagrams listed on our site are submitted by our Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2004 Mazda Miata.

If you can’t find your car alarm wiring diagram or remote start wire diagram on Modified Life, please feel free to post a car wiring diagram request (Car Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.

If you would like to help the Modified Life community by adding a car alarm wiring diagram or auto alarm wiring diagram to our resource, please feel free to email us using our contact form.

2004 Mazda Miata Car Alarm Wiring Diagram Information

Constant 12V+ Wire: White/Red
Constant 12V+ Wire Location: Ignition Switch Harness

Starter Wire (+): White/Black
Starter Wire Location: Ignition Switch Harness

Second Starter Wire (+): N/A
Start Wire Location: N/A

Ignition Wire (+): Blue
Ignition Wire Location: Ignition Switch Harness

Second Ignition Wire: N/A
Second Ignition Wire Location: N/A

Accessory Wire: Black/Red
Accessory Wire Location: Ignition Switch Harness

Second Accessory Wire: Black/White
Accessory Wire Location: Ignition Switch Harness

Key Sense Wire (+): N/A
Key Sense Location: N/A

Tachometer Wire: Green/Orange
Tachometer Wire Location: PCM under driver dash. Tach wire can also be found at the data link connector in the left rear corner of the engine compartment.

Door Lock Wire (-): Purple
Door Lock Wire Location: The door lock control module is under the driver side dash towards the center of the instrument cluster. Lock is negative trigger through a 1K ohm resistor. Unlock is a straight negative trigger. MUST use relays.

Door Unlock Wire (-): Same as Lock Wire
Door Unlock Wire Location: The door lock control module is under the driver side dash towards the center of the instrument cluster. Lock is negative trigger through a 1K ohm resistor. Unlock is a straight negative trigger. MUST use relays.

Door Trigger Wire (-): White/Red
Door Trigger Wire Location: Driver Kick Panel

Dome Supervision Wire: Use door trigger.
Dome Supervision Wire Location: N/A

Headlights Wire (-): Red/Yellow or Light Green/Red
Headlights Wire Location: Headlight Switch

Parking Light Positive Wire (+): Red/Black
Parking Light Positive Wire Location: Headlight Switch

Parking Light Negative Wire (-): Light Green
Parking Light Negative Wire Location: Headlight Switch

Trunk/Hatch Pin Trigger Wire (-): N/A
Trunk/Hatch Pin Trigger Wire Location: N/A

Hood Pin Trigger Wire (-): N/A
Hood Pin Trigger Wire Location: N/A

Trunk/Hatch Release Wire (+): Red/White
Trunk/Hatch Release Wire Location: Keyless module behind the glove box.

Factory Alarm Arm Wire: N/A
Factory Alarm Arm Wire Location: N/A

Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Factory Alarm Disarm but No Unlock Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Horn Trigger Wire (-): Green/Orange
Horn Trigger Wire Location: Steering Column

Brake Wire (+): Green
Brake Wire Location: Brake Pedal Switch

Emergency Parking Brake Wire (-): N/A
Emergency Parking Brake Wire Location: N/A

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