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2003 Dodge Ram Pickup 1500 Car Security Wiring Diagram


Whether your an expert Dodge Ram Pickup 1500 car alarm installer, Dodge Ram Pickup 1500 performance fan or a novice Dodge Ram Pickup 1500 enthusiast with a 2003 Dodge Ram Pickup 1500 , a Dodge Ram Pickup 1500 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 Dodge Ram Pickup 1500 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 Dodge Ram Pickup 1500 car alarm wiring diagrams, Dodge Ram Pickup 1500 car security wiring diagrams, Dodge Ram Pickup 1500 car alarm wire diagrams, Dodge Ram Pickup 1500 car security wiring schematics, Dodge Ram Pickup 1500 car security diagrams, Dodge Ram Pickup 1500 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 Dodge Ram Pickup 1500 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 Dodge Ram Pickup 1500.

Questions

If you have any questions pertaining to the car wiring in a 2003 Dodge Ram Pickup 1500 , 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.

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2003 Dodge Ram Pickup 1500 Car Security Wiring Diagram

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

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

Ignition Positive Wire (+): Blue (16 Gauge Wire). Use the blue 16 gauge wire as ignition #1, do not use the heavy gauge blue wire for ignition #1. The ignition #2 wire, red/white, is also 16 gauge, there will be (2) red/white wires of the same gauge in the ignition switch harness, one wire will test 12 volts constant all the time and the other will test as ignition #2, only use the wires that tests like an ignition wire.
Ignition Positive Wire Location: Ignition Switch Harness

Second Ignition Positive Wire (+): Red/White (16 Gauge Wire). Use the blue 16 gauge wire as ignition #1, do not use the heavy gauge blue wire for ignition #1. The ignition #2 wire, red/white, is also 16 gauge, there will be (2) red/white wires of the same gauge in the ignition switch harness, one wire will test 12 volts constant all the time and the other will test as ignition #2, only use the wires that tests like an ignition wire.
Second Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Green (When connecting to a remote starter, connect the accessory wire from the unit to both the green (+) accessory #1 wire (large gauge wire) and the orange (+) accessory #2 wire (16 gauge wire) in the ignition switch harness.)
Accessory Positive Wire Location: Ignition Switch Harness

Second Accessory Positive Wire (+): Orange (When connecting to a remote starter, connect the accessory wire from the unit to both the green (+) accessory #1 wire (large gauge wire) and the orange (+) accessory #2 wire (16 gauge wire) in the ignition switch harness.)
Second Accessory Positive Wire Location: Ignition Switch Harness

Parking Light Negative Wire (-): Purple/Yellow (The (-) negative parking lights on this vehicle will require a (-) negative through a 330 or 1400 ohm resistor and an extra relay.)
Parking Light Negative Wire Location: At Back Of Headlight Switch On Dash

Parking Light Positive Wire (+): Black/Yellow
Parking Light Positive Wire Location: At Relay Under Hood, At Power Center

Power Door Lock Negative Wire (-): White/Green (1-Wire Door Lock System). The door locking system is a 1-wire, to lock requires a (-) negative through a 820 ohm resistor and to unlock requires a (-) negative through a 330 ohm resistor, some units require 2 extra relays.
Power Door Lock Negative Wire Location: In Drivers Kick Panel, In Door Harness, Heading To Rear Of Vehicle

Power Door Unlock Negative Wire (-): Read door lock information above.
Power Door Unlock Negative Wire Location: Read information above.

Door Trigger Positive Wire (+): The driver door is a tan (-), the drivers rear door is a tan/orange (-) or a purple/orange (-), these wires are in the drivers kick panel. The passenger door is a tan/red (-) and the passenger rear door is a tan/yellow (-), these wires are in the passenger kick panel. When connecting to an alarm system, use all 4 door trigger wires and diode isolate.
Door Trigger Positive Wire Location: See above.

Dome Light Supervision Wire (-): Tan (Requires Relay)
Dome Light Supervision Wire Location: The driver door is a tan (-), the drivers rear door is a tan/orange (-) or a purple/orange (-), these wires are in the drivers kick panel. The passenger door is a tan/red (-) and the passenger rear door is a tan/yellow (-), these wires are in the passenger kick panel. When connecting to an alarm system, use all 4 door trigger wires and diode isolate.

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

Tachometer Wire Negative Wire (-): Any Wire Not Dark Green/Orange
Tachometer Wire Negative Wire Location: At Coil Pack Or Fuel Injector

Wait To Start Light: The diesel tachometer wire is a gray/black in the black plug at the pcm (powertrain control module).
Wait To Start Light Location: See above.

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

Factory Alarm Disarm Wire (-): Green/Orange (The disarm wire requires a (-) negative thru a 480 ohm resistor and an extra relay.)
Factory Alarm Disarm Wire Location: In Drivers Door Harness

Factory Anti-Theft System: Chrysler’s Sentry Key (Gray Key Only) A Transponder System
Factory Anti-Theft System Location: Transponder At Ignition Switch Tumbler

4 thoughts on “2003 Dodge Ram Pickup 1500 Car Security Wiring Diagram”

  1. Brian, you will need a 2003 Dodge Ram 1500 immobilizer bypass kit. Here is the kit you will need:

    Immobilizer Bypass Kit for 2003 Dodge Ram 1500

    If you’ve never installed car audio before, we advise you to take your car to an experienced mobile audio installer. Hope this helps. Good luck with your 2003 Dodge Ram 1500 immobilizer bypass installation.

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