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2003 Dodge 2500 alarm

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=31081
Printed Date: May 15, 2025 at 6:12 AM


Topic: 2003 Dodge 2500 alarm

Posted By: gators67
Subject: 2003 Dodge 2500 alarm
Date Posted: April 26, 2004 at 7:30 PM

 I recently put in an alarm with power locks, but the single wire system is stumping me...the color of the door lock is WHITE/ green stripe, it says to add a resistor for lock and one for unlock, I tried using the resistors from the dodge carvan but to no avail..should I be using a relay system? If so would someone be kind enough to email the diagram or add any other helpfull info PLEASE !!! Thanks so much !!!Confused in Florida



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gators67



Replies:

Posted By: rudbwoy69camaro
Date Posted: May 02, 2004 at 11:37 AM
2003 Dodge Ram Pickup

ItemWire ColorPolarityWire Location
12Vpnk/blk & RED / wht+ignition harness
STARTERyellow+ignition harness
IGNITIONblue (16 awg)+ignition harness
ACCESSORYgreen & orange+ignition harness
SECOND ACCESSORYred or RED / wht+ignition harness
TACHOMETERNOT GREEN/ orange *8ign coil, coil pac, injector
POWER LOCKWHITE/ green *1-driver kick panel
POWER UNLOCKsame wire
PARKING LIGHTS +BLACK / YELLOWrelay under hood at pwr ctr
PARKING LIGHTS -purple / YELLOW *2headlight switch
DOOR TRIGGER*3-*3
HEADLIGHTSpurple / YELLOW *2-headlight switch
WIPERSbrn/wht(L),rd/yel(H)+wiper motor
LF WINDOW UP/DNlt blue - whiteAdriver window switch
RF WINDOW UP/DNbrn/wht - pur/whtAdriver kick panel
LR WINDOW UP/DNRED / blk - blu/whtAdriver kick panel
RR WINDOW UP/DNgrn/wht - gry/blkAdriver kick panel
TRUNK/HATCH PINnone
HOOD PINnone
TRUNK/HATCH RELEASEnone
FACTORY ALARM ARMlt GREEN/ orange *4-driver kick panel
FACTORY ALARM DISARMsame wire
HORN TRIGGERBLACK/ red-steering column
BRAKE WIREWHITE/ tan+brake pedal switch
LOCK MOTORtan/pnk or tan/blkdriver kick panel
UNLOCK MOTORbluedriver kick panel
DISARM DEFEATtan/whitepassenger kick panel
DISARM NO UNLOCKsame wire
DOME SUPERVISIONuse door trigger
SPEED SENSEWHITE/ orangewht conn. 2, pin 27 @ PCM *5
SUN ROOF OPEN/CLOSEnone
SUN ROOF LIMITnone
LF SPEAKERlt grn/rd-lt grn/grnradio or amplifier *6
RF SPEAKERlt blu/pu-lt blu/blkradio or amplifier *6
LR SPEAKERwht/red - wht/blkradio or amplifier *6
RR SPEAKERtan/pur - tan/blkradio or amplifier *6
RADIO 12Vpink+radio
RADIO GROUNDBLACK/ green-radio
RADIO SWITCHBROWN / red+radio
RADIO ILLUMINATEORANGE / blue (dimmer)+radio
POWER ANTENNAnone
 
Notes:NOTE: Chrysler vehicles that use a gray ignition key have an immobilizer system that needs to be bypassed when remote starting. Use DEI part number 555C or 555U. *1 Lock requires a negative trigger thru a 820 ohm resistor. Unlock requires a negative trigger thru a 330 ohm resistor. MUST use relays. *2 Parking lights require a negative trigger thru a 330 or 1.4K ohm resistor. Headlights require a negative trigger thru a 1.8K ohm resistor. There is a rest resistance on the wire, so MUST use a relay to isolate away from the switch. *3 The LF door trigger is tan, and the LR door is tan/orange or PURPLE / orange. These wires are in the driver kick panel. The RF door trigger is tan/red, and the RR door is tan / YELLOW. These wires are in the passenger kick panel. Use all wires and diode isolate each. See directfax document #1076 for wiring information. *4 This will also do door locks. Arm/lock is negative trigger thru a 2K ohm resistor. Disarm/unlock is negative trigger thru a 480 ohm resistor. Single pulse will do disarm without unlocking the doors. Unlock requires a double pulse. MUST use relays. *5 The PCM (Powertrain Control Module) is on the passenger side firewall. *6 The amplifier is located behind the glove box. *7 These wires may not be necessary for remote start. *8 Diesel tach wire use gray/black in the black plug at the PCM.



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