Whether your an expert Volvo S40 car alarm installer, Volvo S40 performance fan or a novice Volvo S40 enthusiast with a 2005 Volvo S40, a Volvo S40 car alarm wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car alarm, car security, car remote start, automatic remote starter, shock sensor, tilt sensor, car alarm sensor or any auto alarm is identifying the correct color car security wires for a 2005 Volvo S40.

The Modified Life staff has taken all its Volvo S40 car alarm wiring diagrams, Volvo S40 car security wiring diagrams, Volvo S40 car alarm wire diagrams, Volvo S40 car security wiring schematics, Volvo S40 car security diagrams, Volvo S40 remote starter wiring diagrams and cataloged them online for our visitors to use for free. Our automotive wiring diagrams allow you to enjoy your new auto security electronics rather than spend countless hours trying to figure out which wires goes where.

Feel free to use any Volvo S40 auto alarm 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 of the auto security wiring diagrams listed on our enthusiast website are submitted by the 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 2005 Volvo S40.

Questions

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If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 2005 Volvo S40 on this page.

2005 Volvo S40 Auto Alarm Wiring Diagram

Battery Constant 12v+ Positive Wire (+): Connect To Battery Only
Battery Constant 12v+ Positive Wire Location:Under The Hood

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

Ignition Positive Wire (+): Green/White
Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Yellow
Accessory Positive Wire Location: Ignition Switch Harness

Key Sense Wire (-): Red/Green (Required For Remote Starting)
Key Sense Wire Location: Ignition Switch Harness

Parking Light Negative Wire (-): Black/Blue
Parking Light Negative Wire Location: At Headlight Switch Or CEM, Pin B4. The CEM (central electronic module) is located behind the glove box.

Parking Light Positive Wire (+): Do Not Use!
Parking Light Positive Wire Location: N/A

Power Door Lock Negative Wire (-): Black/Red
Power Door Lock Negative Wire Location: At Door Lock Switch Or DDM, Pin A6. The DDM (drivers door module) is located inside the drivers door and is attached to the drivers power window motor.

Power Door Unlock Negative Wire (-): Black/Yellow
Power Door Unlock Negative Wire Location: At Door Lock Switch Or DDM, Pin A7. The DDM (drivers door module) is located inside the drivers door and is attached to the drivers power window motor.

Door Trigger Positive Wire (+): The drivers door is a black/yellow (-) pin F19, the passenger door is a black/blue (-) pin F18, the drivers rear door is a black/orange (-) pin F21, and the passenger rear door is a black/blue (-) pin F20. When connecting to an alarm system, use all (4) door trigger wires and diode isolate.
Door Trigger Positive Wire Location: At CEM Module. The CEM (central electronic module) is located behind the glove box.

Domelight Supervision Wire (-): Black
Domelight Supervision Wire Location: At Under Dash Light Or CEM, Pin A25. The CEM (central electronic module) is located behind the glove box.

Trunk Release Negative Wire (-): Black/Yellow
Trunk Release Negative Wire Location: At CEM Module, Pin F22. The CEM (central electronic module) is located behind the glove box.

Horn Negative Negative Wire (-): Black/Blue
Horn Negative Negative Wire Location: At CEM Module, Pin G18. The CEM (central electronic module) is located behind the glove box.

Tachometer Wire Negative Wire (-): Any Wire Not Green/Yellow
Tachometer Wire Negative Wire Location: At Any Fuel-Injector

Brake Light Positive Wire (+): Orange
Brake Light Positive Wire Location: At CEM Module, Pin E41. The CEM (central electronic module) is located behind the glove box.

Factory Anti-Theft System: Transponder Anti-Theft System, Requires 791 Bypass Module And Extra Ignition Key
Factory Anti-Theft System Location: Transponder At Ignition Switch Tumbler

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