MODIFIEDLIFE

2003 Chrysler 300M Car Alarm Wiring Diagram


Whether your an expert Chrysler 300M car alarm installer, Chrysler 300M performance fan or a novice Chrysler 300M enthusiast with a 2003 Chrysler 300M, a Chrysler 300M 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 2003 Chrysler 300M 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!

The Modified Life staff has taken all its Chrysler 300M car alarm wiring diagrams, Chrysler 300M car security wiring diagrams, Chrysler 300M car alarm wire diagrams, Chrysler 300M car security wiring schematics, Chrysler 300M car security diagrams, Chrysler 300M 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 Chrysler 300M 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 2003 Chrysler 300M.

Questions

If you have any questions pertaining to the car wiring in a 2003 Chrysler 300M, please feel free to post it at the bottom of this page and either we’ll 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’t 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’ll 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 2003 Chrysler 300M on this page.

2003 Chrysler 300M Car Alarm Wiring Schematic

Battery Constant 12v+ Positive Wire (+): Pink/Black or Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

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

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

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

Accessory Positive Wire (+): Black/Orange
Accessory Positive Wire Location: Ignition Switch Harness

Parking Light Negative Wire (-): Yellow (The parking lights on this vehicle require an extra relay and a (-) negative through a 110 ohm resistor.)
Parking Light Negative Wire Location: At Headlight Switch, See Diagram

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

Power Door Lock Negative Wire (-): White/Green (1-Wire Door System). The door locks on this vehicle require a (+) positive through a 2700 ohm resistor to lock and a (+) positive through a 620 ohm resistor to unlock, some units will also require extra relays for the keyless entry feature.
Power Door Lock Negative Wire Location: At Back of Fuse Box, See Diagram

Power Door Unlock Negative Wire (-): Same Wire, See Diagram
Power Door Unlock Negative Wire Location: See Diagrams

Door Trigger Wire: Tan (-) And Tan/Red (-) (Use Both). This vehicle has 2 door trigger wires, when connecting to an alarm system, use both and diode isolate.
Door Trigger Wire Location: At BCM. The BCM (body control module) is located under the left side of the dash, along side the junction block.

Dome Light Supervision Wire (-): Yellow (Requires Relay)
Dome Light Supervision Wire Location: At Rear of Fuse Box, In a Brown Plug

Trunk Release Positive Wire (+): Black/White (Requires Relay)
Trunk Release Positive Wire Location: At Truck Release Switch

Horn Negative Wire (-): Black/Red
Horn Negative Wire Location: At Steering Column Harness

Tachometer Wire Negative Wire (-): This vehicle is a multi-coil ignition system, at the coil use any wire that has a tan stripe for the tachometer wire.
Tachometer Wire Negative Wire Location: N/A

Brake Light Positive Wire (+): White/Tan
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire: Light Green/Orange (The disarm wire on this vehicle requires a (+) positive through an extra relay and a 680 ohm resistor.)
Factory Alarm Disarm Wire Location: In Drivers Kick Panel

Factory Anti-Theft Wire: Chrysler’s sentry key (gray key only) a transponder system.
Factory Anti-Theft Wire Location: Transponder at ignition switch tumbler.

Modified Life is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn how it works.

2 thoughts on “2003 Chrysler 300M Car Alarm Wiring Diagram”

  1. Chris, we don’t have the information your looking for concerning the parking brake wire on a 2003 Chrysler 300m. What we can tell you is that the parking brake wire is usually located by the base of your parking brake handle. Hope this helps. Good luck.

  2. Hello I was hoping to find out the color and location for the parking brake wire in a 03 300m this is required for the install of my nav system. Thanks for any help.

Leave a Comment

Your email address will not be published. Required fields are marked *