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2004 Silverado 2 dr V6Printed From: the12volt.comForum 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=71957 Printed Date: May 10, 2025 at 3:31 PM Topic: 2004 Silverado 2 dr V6 Posted By: holtonch Subject: 2004 Silverado 2 dr V6 Date Posted: February 01, 2006 at 2:26 AM I am looking for the complete wiring color codes for a remote start system for my friends 2004 silverado 2 dr V6 including the passlock info Please!
Replies: Posted By: notoriouswill Date Posted: February 01, 2006 at 10:37 PM 12volts red (x2) + ignition harness Starter yellow + ignition harness Second Starter N/A Ignition pink + ignition harness Second Ignition white + ignition harness Notes: To avoid the check engine light from coming on and possible damage to the automatic transmission, the second ignition in this vehicle MUST be powered when adding a remote start system. Third Ignition N/A Accessory orange + ignition harness Second Accessory brown + ignition harness Keysense lt. green - ignition harness Power Lock use Directed module 457GW Notes: If Directed module 457GW is not available, refer to DirectFax document 1601. On base model trucks, the 457GW is not necessary. Instead, the lock wire is lt. blue (-), pin B5, and the unlock wire is white (-), pin B10. They are in the lt. blue plug at the BCM. Power Unlock see power lock Lock Motor gray 5wi driver door module in door Unlock Motor tan 5wi driver door module in door Parking Lights+ brown + driver kick panel Parking Lights- gray/black - BCM, brown plug, pin B2 Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back. Hazards white - steering column, 5 pin plug Turn Signal(L) dk. green + steering column, 5 pin plug Turn Signal(R) lt. green + steering column, 5 pin plug Reverse Light lt. green + BCM, black plug, pin F Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back. Door Trigger gray/blk (L), BLACK/ wht (R) - each door module in each door Notes: On base model trucks the door trigger wires are in the lt. blue plug at the BCM, pins B4 and A5. On 4dr trucks the LR door trigger is lt. blue/black, pin A3, and the RR is lt. GREEN/ black, pin A2. They are in the purple plug at the BCM. Use all wires and diode isolate. The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back. Dome Supervision gray/black + BCM, black plug, pin E Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back. Trunk/Hatch Pin N/A Hood Pin N/A Trunk/Hatch Release N/A Power Sliding Door N/A Factory Alarm Arm arms with lock Factory Alarm Disarm lt. green - driver door module in door Disarm No Unlock see factory alarm disarm Tachometer white ac instrument cluster, pin A5 or PCM Notes: The PCM (Powertrain Control Module) is in the left front of the engine compartment to the left of the fan shroud. The tach wire is in the green plug, pin 10. For tach can also go to any of the ignition coils or injectors and use the wire that is NOT pink, black, or brown. Wait to start dk. blue - instrument cluster, pin A2 or PCM Notes: The PCM (Powertrain Control Module) is in the left front of the engine compartment to the left of the fan shroud. The wait to start wire is in the green plug, pin 36. Brake Wire white + brake pedal switch Parking Brake lt. blue - BCM, lt. blue plug, pin A7 Notes: The BCM (Body Control Module) is under the driver side dash. It has 6 plugs in it, the purple plug is on the back. Horn Trigger BLACK / YELLOW to black - steering column Memory Seat 1 red + driver door module in door Memory Seat 2 pink + driver door module in door Memory Seat 3 N/A + Interface Module: Category: Immobilizer Bypass Required: Yes Type: Passlock II Part #: 556LW Alternate Part1 #: 555LW Alternate Part2 #: DesignTech 20402 Alternate Part3 #: DesignTech 29402 Notes: Not required if using the combo interface module. The Passlock II wire colors are yellow, black, and RED / white (not used). Interface Module: Category: Combo Interface Required: Yes Type: Data Bus Part #: 457GW Notes: If you use a 457G which is a DEI product you do not need any of the passlock wires not do you need to tap into any doorlock wires. ------------- 1 Memphis Mojo 15 1 Memphis 4000 watt amp 1 Memphis 75watt 4 channel amp 2 Memphis 6.5" MSQ's ![]() Posted By: autotek27 Date Posted: February 09, 2006 at 6:16 PM MODEL YEAR(S) FULL SIZE PICKUP (NEW BODY STYLE) 2003 -2006 KEY T-HARNESS IMMOBILIZER N/A GM-12 GM's PASSLOCK 2 ANTI-THEFT System, Requires 791 Bypass Module PART COLOR LOCATION 12 VOLT CONSTANT RED (+) IGNITION SWITCH HARNESS STARTER YELLOW (+) IGNITION SWITCH HARNESS STARTER 2 N/A IGNITION 1 PINK (+) IGNITION SWITCH HARNESS IGNITION 2 WHITE (+) See NOTE *6 IGNITION SWITCH HARNESS IGNITION 3 N/A ACCESSORY /HEATER BLOWER 1 ORANGE (+) IGNITION SWITCH HARNESS ACCESSORY /HEATER BLOWER 2 N/A KEYSENSE N/A PARKING LIGHTS ( - ) GRAY/BLACK (-) @ BCM, BROWN or TAN Plug, Pin B2, See NOTE *1 PARKING LIGHTS ( + ) N/A POWER LOCK See NOTE *4 See DIAGRAM POWER UNLOCK See NOTE *4 See DIAGRAM DOOR TRIGGER GRAY/BLACK (-) and BLACK/ WHITE (-) Use both, See NOTE *2 @ DOOR MODULE in each Front DOOR DOMELIGHT SUPERVISION GRAY/BLACK (-) @ DRIVERS DOOR MODULE in DOOR TRUNK RELEASE N/A SLIDING POWER DOOR N/A HORN BLACK / YELLOW (-) @ Comming from the TOP of the Steering Column TACH WHITE, See NOTE *7 @ PCM, GREEN plug, Pin 10, See NOTE *3 WAIT TO START LIGHT See NOTE *5 BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL FACTORY ALARM DISARM LIGHT GREEN (-) @ DRIVER DOOR MODULE in DRIVERS DOOR. ANTI-THEFT YELLOW (+), BLACK (-) and RED / WHITE (Not Used) GM's PASSLOCK 2 System, wires are in Ignition Switch Harness EXTRA INFORMATION NOTE *1 The BCM (Body Control Module) is located JUST below the Steering Column of the vehicle, the BCM has (3)Plugs facing the cab of the vehicle. The (3) Plugs are WHITE, BROWN or TAN and LIGHT BLUE. The 4th Plug, a PURPLE is located on the Back of the BCM. NOTE *2 On BASE model vehicles the DOOR Triggers are at the BCM in a LIGHT BLUE Plug, the DRIVER DOOR is a GRAY/BLACK (-) Pin B4, the PASSENGER DOOR is a BLACK/ WHITE (-) Pin A5. On all other trucks these wires are in each DOOR MODULE in each door. On the 4-door the DRIVERS rear door is LIGHT BLUE/BLACK (-) Pin A3, the PASSENGERS rear door is a LIGHT GREEN/ BLACK (-) Pin A2 in the PURPLE Plug. When connecting to an ALARM SYSTEM, you must DIODE ISOLATE these wires, See DAIGRAM NOTE *3 The PCM (Powertrain Control Module) is located in the LEFT FRONT of the engine compartment to the left of the fan shroud. NOTE *4 this vehicle uses a Special Multi-plex Type Door Locking System that will require (4) Extra Relays Part # 775, to do the Door Locks, See DIAGRAM NOTE *5 when hooking up a REMOTE STARTER on a DIESEL, if the WAIT to START wire from the Remote Starter does not wait until the Light on the dash turn out before cranking, you will need to program in the 5,10 or 15 Second WAIT to START TIMMER in the Installation Manual. On some vehicles the Wait to Start Light on the dash is not a true (+)Positive or (-)Negative and the wire from the Remote Starter will not owrk. When this Wait to Start Timmer is programmed, disconnect and tape up the Wait to Start wire from the Remote Starter that is tied into the Wait to Start Light on the dash. NOTE *6 IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for REMOTE STARTING!!!!!! NOTE *7 On DIESEL ENGINES the TACH is WHITE in the BLACK Bottom plug, Pin 37 on the HYBRID the TACH is in a GREEN Plug, Pin 35 ------------- b-( |
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