where is my bcm?
 

Ive read thru numerous post, under the pass. seat, NOPE
on the firewall by the barake pedal. NOPE.
Im begining to loose it, LOL. I appriciate your help, to help me regain my sanity

Hope the below helps
__________________________________________________ _______
DIRECTWIRE™ WIRING INFORMATION - CHEVROLET / MONTE CARLO / 2004 / Remote Start



12volts red (x2) (common 60A) + ignition harness
Starter yellow + ignition harness
Second Starter N/A
Ignition pink + ignition harness
Second Ignition dk. green + ignition harness
Third Ignition N/A
Accessory orange + ignition harness
Second Accessory brown + ignition harness
Notes: This wire must be powered as an accessory wire. If powered as a second ignition, the car will not crank.
Keysense lt. green - ign harn or BCM, gry 16P plg, pin B1
Notes: The BCM is under the driver side dash, above the parking brake lever.
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
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
Reverse Light lt. green + passenger junction block end of dash
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.
Wait to start N/A
Brake Wire white + brake pedal switch
Parking Brake lt. green - BCM, gray 16 pin plug, pin B6
Notes: The BCM is under the driver side dash, above the parking brake lever.
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 #: 556LW
Alternate Part1 #: 555LW
Alternate Part2 #: 555T
Alternate Part3 #: DesignTech 20402
Alternate Part4 #: DesignTech 29402
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.

your awesome! Thanks do you happen to know if the headlights run thru it? I see the drls do..

Check out the below link, Hope it helps.
I think it could be in your switch ? ? Check back to see if any of our expert tech's post a suggestion/solution....

http://www.sparkys-answers.com/2009/...-low-beam.html
:rolleyes:
This is on a 01 Chevy Impala, but they are similar...or maybe the same ?
Hope it helps...Good Luck 4-Sure....the `Kid : )

I posted this in your other thread but here:

In the 2004 Monte Carlo SS this is where it is: ((#1 on the image below))
http://i682.photobucket.com/albums/v...re2sin/BCM.png

i would like wiring info for 03 limited ss. You guys rock!!!!

I hope you guys know that the BCM needs to be programmed at the local Chevy dealer or else it wont work.