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Wiring Diagram 2005 Chevy Impala


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Rick7511 
Member - Posts: 7
Member spacespace
Joined: January 06, 2005
Location: Canada
Posted: June 20, 2005 at 10:27 PM / IP Logged  
Does anyone have a Stereo and Alarm wiring diagram for a 2005 Chevy Impala? Thanks.
thepencil 
Gold - Posts: 1,526
Gold spacespace
Joined: December 16, 2002
Location: Canada
Posted: June 21, 2005 at 9:14 AM / IP Logged  
Get yourself a wiring harness for the stereo. It's a lot quicker and safer than cutting and joining up wires .
DIRECTWIRE™ WIRING INFORMATION - CHEVROLET / IMPALA / 2005 / Security
12volts red (x2)(common 60A)   +   ignition harness
Starter yellow   +   ignition harness
Ignition pink   +   ignition harness
Power Lock ORANGE / black   -   BCM, gray 24 pin plug, pin B3
Notes: Lock is negative trigger thru a 470 ohm resistor. Unlock is a straight negative trigger. MUST use relays.
The BCM is under the driver side dash, above the parking brake lever.
Power Unlock same as power lock wire       
Lock Motor see notes       
Notes: Installation of factory keyless upgrade alarm is not recommended on this vehicle because the door lock motor wires rest at approximately 7 volts.
Unlock Motor see lock motor notes       
Disarm Defeat see lock motor notes       
Parking Lights+ yellow (F), BROWN / white (R)   +   passenger junction block end of dash
Parking Lights- white   -   BCM, pink plug, pin A2
Notes: The BCM is under the driver side dash, above the parking brake lever.
Must diode isolate this wire from the BCM to avoid Service Engine Soon light. See DirectFax document 1600 for wiring information.
Hazards same as turn signal wires       
Turn Signal(L) lt. blue (F), yellow (R)   +   turn signal switch
Turn Signal(R) dk. blue (F), dk. green (R)   +   turn signal switch
Door Trigger dk. blue (L), dk. blue/wht (R) -   BCM, gray 16 pin plug, pins A8, A1
Notes: Use both wires and diode isolate each. Have to also diode isolate from the BCM to prevent false alarms. Refer to DirectFax document 1076 for wiring information.
The BCM is under the driver side dash, above the parking brake lever.
Dome Supervision gray   -   BCM, gray 24 pin plug, pin A8
Notes: The BCM is under the driver side dash, above the parking brake lever.
Trunk/Hatch Pin RED / black   -   BCM, gray 24 pin plug, pin A11
Notes: The BCM is under the driver side dash, above the parking brake lever.
Have to also diode isolate from the BCM to prevent false alarms. Refer to DirectFax document 1076 for wiring information.
Hood Pin N/A       
Trunk/Hatch Release black   -   BCM, gray 16 pin plug, pin A7
Notes: The BCM is under the driver side dash, above the parking brake lever.
Power Sliding Door N/A       
Factory Alarm Arm arms on lock with door open       
Factory Alarm Disarm lt. green   -   BCM, gray 16 pin plug, pin B3
Notes: The BCM is under the driver side dash, above the parking brake lever.
Disarm No Unlock see factory alarm disarm       
Tachometer white   ac   Ignition Control Module
Notes: On the 3.4L it is on the top center rear of the engine. On the 3.8L it is on the top right front of the engine.
Horn Trigger black   -   BCM, pink plug, pin B5
Notes: The BCM is under the driver side dash, above the parking brake lever.
Memory Seat 1 N/A       
Memory Seat 2 N/A       
Memory Seat 3 N/A       
Interface Module: Category:
Immobilizer Bypass Required:
Yes Type:
Passlock II
Part #: 555LW
Alternate Part1 #: 555T
Notes: The Passlock II wire colors are yellow, black, and white (not used).
Standard on all models.
Interface Module: Category:
Door Lock Interface Required:
Yes Type:
Multiplex
Part #: 456LW
Notes:
Interface Module: Category:
Combo Interface Required:
Yes Type:
Data Bus
Part #: 457GW
Notes: Can use the 457GW to bypass the Passlock II, but it will not control the door locks on this model year.
      
This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.
Be careful whose advice you buy, but be patient with those who supply it.Wiring Diagram 2005 Chevy Impala -- posted image.
Rick7511 
Member - Posts: 7
Member spacespace
Joined: January 06, 2005
Location: Canada
Posted: June 21, 2005 at 10:10 PM / IP Logged  
Thank you
thepencil 
Gold - Posts: 1,526
Gold spacespace
Joined: December 16, 2002
Location: Canada
Posted: June 22, 2005 at 9:04 AM / IP Logged  
You are welcome.
Be careful whose advice you buy, but be patient with those who supply it.Wiring Diagram 2005 Chevy Impala -- posted image.

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