Updated: 06/26/2024 • Published: 05/03/2011
The Modified Life staff has taken all its Cadillac Seville car alarm wiring diagrams, Cadillac Seville car security wiring diagrams, Cadillac Seville car alarm wire diagrams, Cadillac Seville car security wiring schematics, Cadillac Seville car security diagrams, Cadillac Seville 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 Cadillac Seville 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 2004 Cadillac Seville. Questions If you have any questions pertaining to the car wiring in a 2004 Cadillac Seville, please feel free to post it at the bottom of this page and either we will do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you are looking for. Request a Car Alarm Wiring Diagram If you can not find your car alarm wiring, car security wire diagram or auto alarm wire diagram on Modified Life, please feel free to post a car alarm wiring diagram request on this page and we will do our best to find you the diagram, schematic or information you need for your mobile security installation. Adding More Information 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 2004 Cadillac Seville on this page. 2004 Cadillac Seville Auto Alarm Wiring Instructions Battery Constant 12v+ Positive Wire (+): Connect To Battery Only Starter Positive Wire (+): Yellow Second Starter Positive Wire (+): N/A Ignition Positive Wire (+): Pink (+) Second Ignition Positive Wire (+): White Third Ignition Positive Wire (+): N/A Accessory Positive Wire (+): Orange Second Accessory Positive Wire (+): N/A Key Sense Wire: N/A Parking Light Negative Wire (-): Brown/White Parking Light Positive Wire (+): Purple (+) and Brown/White (Use Both). This vehicle is a 2-wire parking light circuit, that will require 2 extra relays) to connect. Power Door Lock Negative Wire (-): Red/Black Power Door Unlock Negative Wire (-): Orange/Black Door Trigger Negative Wire (-): The driver door wire is a tan (-) at the drivers door module in the drivers door and all other doors use a dark blue (-) at the door module in each door. When connecting to an alarm system use all 4 wires and diode isolate. Dome Light Supervision Wire (-): Gray (Requires Relay) Trunk Release Negative Wire (-): Light Blue Sliding Power Door Wire: N/A Horn Negative Wire (-): Black Tachometer Wire Negative Wire (-): White Wait To Start Wire: N/A Brake Light Positive Wire (+): White Factory Alarm Disarm Wire (-): Light Green Factory Anti-Theft System: GM Passkey 3 (PK3 On Steel Shaft Of Ignition Key) Transponder System The 2004 Cadillac Seville alarm wire color and location information above is updated as it is submitted by the Modified Life community.
Whether your an expert Cadillac Seville car alarm installer, Cadillac Seville performance fan or a novice Cadillac Seville enthusiast with a 2004 Cadillac Seville, a Cadillac Seville 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 2004 Cadillac Seville headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!
Battery Constant 12v+ Positive Wire Location: Under The Hood
Starter Positive Wire Location: Ignition Switch Harness
Second Starter Positive Wire Location: N/A
Ignition Positive Wire Location: Ignition Switch Harness
Second Ignition Positive Wire Location: Ignition Switch Harness
Third Ignition Positive Wire Location: N/A
Accessory Positive Wire Location: Ignition Switch Harness
Second Accessory Positive Wire Location: N/A
Key Sense Wire Location: N/A
Parking Light Negative Wire Location: At DIM, Blue Plug, Pin B3. At DIM module located under the passenger side of dash, near the blower motor.
Parking Light Positive Wire Location: At Fuse Block Under Rear Seat
Power Door Lock Negative Wire Location: At Lock Switch In Drivers Door
Power Door Unlock Negative Wire Location: At Lock Switch In Drivers Door
Door Trigger Negative Wire Location: At Door Modules
Dome Light Supervision Wire Location: At Under Dash Light
Trunk Release Negative Wire Location: At RIM, Gray Plug, Pin B4. The RIM module is located behind the passenger side rear seat, in the lower corner.
Sliding Power Door Wire Location: N/A
Horn Negative Wire Location: At Steering Column Harness
Tachometer Wire Negative Wire Location: At PCM, Blue Plug, Pin 23. The PCM is located at the front drivers side of engine compartment below the air cleaner.
Wait To Start Location: N/A
Brake Light Positive Wire Location: At Switch Above Brake Pedal
Factory Alarm Disarm Wire Location: At Drivers Door Module In Drivers Door
Factory Anti-Theft System Location: Transponder At Ignition Switch Tumbler