2005 gmc denali diagram & modules
Printed From: the12volt.comForum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=69770
Printed Date: July 14, 2025 at 10:58 PM
Topic: 2005 gmc denali diagram & modules
Posted By: tonywin
Subject: 2005 gmc denali diagram & modules
Date Posted: January 01, 2006 at 5:46 PM
Replies:
Posted By: Mike M2
Date Posted: January 01, 2006 at 5:54 PM
| 12volts | red (40A), red (40A) | + | 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 457G or 456G module | ||
| Notes: If Directed module 457G or 456G is not available, refer to DirectFax document 1601. Upper trim level vehicles may have a door lock switch on the right rear panel. If present use white (-) for lock and lt. blue (-) for unlock. | |||
| 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 | - | switch or 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 | - | hazard switch |
| Turn Signal(L) | dk. green | + | turn signal switch |
| Turn Signal(R) | lt. green | + | turn signal switch |
| 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 | see notes | - | see notes |
| Notes: The driver door trigger is gray/black at the driver door module in the door. The RF door trigger is BLACK/ white at the passenger door module in the door. 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 four wires and diode isolate each. 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 | pink/black | - | BCM, purple plug, pin A1 |
| 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. | |||
| Hood Pin | N/A | ||
| Trunk/Hatch Release | N/A | ||
| Power Sliding Door | N/A | ||
| Factory Alarm Arm | arms on lock with door open | ||
| 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 fuel injectors and use the wire that is NOT pink, black, or brown. | |||
| Wait to start | N/A | ||
| Brake Wire | white | + | brake pedal switch |
| Parking Brake | lt. blue | - | switch or BCM, lt. blu 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 | - | switch or BCM, gray plug, pin B9 |
| 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. | |||
| 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 #: 555T | |||
| Alternate Part3 #: DesignTech 20402 | |||
| Alternate Part4 #: 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: Door Lock Interface | Required: Yes | Type: Data Bus |
| Part #: 456G | |||
| Notes: Not required if using the combo interface module. | |||
| Interface Module: | Category: Combo Interface | Required: Yes | Type: Data Bus |
| Part #: 457GW | |||
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Mike M2
Tech Manager
CS Dealer Services
Posted By: mobileworks
Date Posted: January 01, 2006 at 7:33 PM
Posted By: tonywin
Date Posted: January 20, 2006 at 8:58 PM
Posted By: sparkie
Date Posted: January 21, 2006 at 10:58 AM