2004 Hummer H2 Stereo and security wiring

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ThaScarecrow

Copper - Posts: 65

Joined: June 04, 2003

Location: Canada

Posted: January 02, 2004 at 3:14 AM / IP Logged

I'm looking for alarm/ starter and stereo wiring info for a 2004 H2, any help is greatly appreciated. Thanks.

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boomer_106

Silver - Posts: 710

Joined: November 25, 2003

Location: United States

Posted: January 02, 2004 at 11:00 AM / IP Logged

HUMMER2 2003-2004
WIRE	COLORS	LOCATION
12 VOLTS CONSTANT	RED (X2)	IGNITION SWITCH HARNESS
IGNITION 1	PINK	IGNITION SWITCH HARNESS
IGNITION 2	WHITE	IGNITION SWITCH HARNESS
ACCESSORY HEATER BLOWER	ORANGE	IGNITION SWITCH HARNESS
STARTER	YELLOW	IGNITION SWITCH HARNESS
KEYSENSE	LT. GREEN	LT. BLUE plug, pin A1 @ BCM *1
PARKING LIGHTS ( + )	BROWN ( + )	DRIVERS KICK PANEL
DOOR TRIGGER	( - )	SEE NOTES 2
POWER DOOR LOCK	LT. BLUE ( - )	PURPLE plug, pin B3 @ BCM
POWER DOOR UNLOCK	WHITE ( - )	PURPLE plug, pin B2 @ BCM
TRUNK RELEASE	N/A
TACH SENSOR	WHITE (AC)	pin 10, GREEN plug @ BCM
BRAKE	WHITE ( + )	@ BRAKE PEDAL SWITCH
HORN	BLACK / YELLOW or BLACK ( - )	@ STEERING COLUMN or GRAY plug @ BCM
FACTORY DISARM	LT. GREEN ( - )	DRIVERS DOOR MODULE in door
FACTORY ANTI-THEFT	TYPE	PASSLOCK 2

NOTES:

*1 - The BCM (BODY CONTROL MODULE) is located behind the headlight switch. It has 6 plugs in it, the PURPLE plug is in the back.

*2 - 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.

Dont know about the stereo. Remember to verify all wires before interfacing them for accuracy. Good luck

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ThaScarecrow

Copper - Posts: 65

Joined: June 04, 2003

Location: Canada

Posted: January 02, 2004 at 12:12 PM / IP Logged

Thanks!

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ThaScarecrow

Copper - Posts: 65

Joined: June 04, 2003

Location: Canada

Posted: January 02, 2004 at 12:17 PM / IP Logged

Got the wiring info, just wanted to double check the modules I need for a security/remote start system are DEI 456G and 555L. Correct?

Anyone know anything about installing a stereo in one too? Does the stock HU have to be relocated? Is the stereo amplifier in the HU or is it external?

Thanks.

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boomer_106

Silver - Posts: 710

Joined: November 25, 2003

Location: United States

Posted: January 02, 2004 at 1:16 PM / IP Logged

You might wanna check this thread.

https://www.the12volt.com/installbay/forum_posts.asp?tid=23701&KW=456

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

2004 Hummer H2 Stereo and security wiring

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