2004 Hummer H2 Auto Security Wiring Instructions


Whether your an expert Hummer H2 car alarm installer, Hummer H2 performance fan or a novice Hummer H2 enthusiast with a 2004 Hummer H2, a Eagle Talon car alarm wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car alarm, car security, car remote start, automatic remote starter, shock sensor, tilt sensor, car alarm sensor or any auto alarm is identifying the correct color car security wires for a 2004 Hummer H2 headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!

The Modified Life staff has taken all its Hummer H2 car alarm wiring diagrams, Hummer H2 car security wiring diagrams, Hummer H2 car alarm wire diagrams, Hummer H2 car security wiring schematics, Hummer H2 car security diagrams, Hummer H2 remote starter wiring diagrams and cataloged them online for our visitors to use for free. Our automotive wiring diagrams allow you to enjoy your new auto security electronics rather than spend countless hours trying to figure out which wires goes where.

Feel free to use any Hummer H2 auto alarm wiring diagram that is listed on Modified Life but keep in mind that all information here is provided as-is without any warranty of any kind and most of the auto security wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2004 Hummer H2.

Questions

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2004 Hummer H2 Auto Security Wiring Instructions

Battery Constant 12v+ Positive Wire (+): Red And Red/White
Battery Constant 12v+ Positive Wire Location: At Ignition Switch Harness

Starter Positive Wire (+): Yellow
Starter Positive Wire Location: At Ignition Switch Harness

Ignition Positive Wire (+): Pink
Ignition Positive Wire Location: At Ignition Switch Harness

Second Ignition Positive Wire (+): White
Second Ignition Positive Wire Location: At Ignition Switch Harness

Accessory Positive Wire (+): Orange
Accessory Positive Wire Location: At Ignition Switch Harness

Second Accessory Positive Wire (+): Brown
Second Accessory Positive Wire Location: At Ignition Switch Harness

Key Sense Negative Wire (-): N/A
Key Sense Negative Wire Location: N/A

Parking Light Negative Wire (-): Gray/Black
Parking Light Negative Wire Location: At BCM. Brown Plug, Pin B2. The BCM is located behind the headlight switch. The BCM has 6-plugs, with the purple plug on the back of the module.

Parking Light Positive Wire (+): Brown (Left) And Brown/White (Right). Require Both Wires. This vehicle has 2 (+) positive parking light wires, use both, requires 2 extra relays.
Parking Light Positive Wire Location: In Drivers Kick Panel, Harness To Rear Of Vehicle

Power Door Lock Negative Wire (-): Light Blue
Power Door Lock Negative Wire Location: At BCM, Purple Plug, Pin B3. The BCM is located behind the headlight switch. The BCM has 6-plugs, with the purple plug on the back of the module.

Power Door Unlock Negative Wire (-): White
Power Door Unlock Negative Wire Location: At BCM, Purple Plug, Pin B2. The BCM is located behind the headlight switch. The BCM has 6-plugs, with the purple plug on the back of the module.

Door Trigger Negative Wire (-): The drivers door is a gray/black (-) at the drivers door module in the drivers door. The passenger door is a black/white (-) at the passengers door module in the passengers door. The drivers rear door is a light blue/black (-) pin a3 and the passengers rear door is a light green/black (-) pin a2, both are located at the BCM, purple plug. When connecting to an alarm system use all 4 wires and diode isolate.
Door Trigger Negative Wire Location: See above.

Domelight Supervision Wire (+): Gray/Black
Domelight Supervision Wire Location: At BCM, Black Plug, Pin E. The BCM is located behind the headlight switch. The BCM has 6-plugs, with the purple plug on the back of the module.

Horn Negative Wire (-): Black/Yellow To Black
Horn Negative Wire Location: At Horn Switch Or BCM, Gray Plug, Pin B9. The BCM is located behind the headlight switch. The BCM has 6-plugs, with the purple plug on the back of the module.

Tachometer Wire Negative Wire (-): White (1-6volts Ac) Testing Voltage
Tachometer Wire Negative Wire Location: At PCM, Green Plug, Pin 10. The PCM is located under the hood of the vehicle, on the drivers side next to the battery.

Brake Light Positive Wire (+): White
Brake Light Positive Wire Location: At Switch Above Brake Pedal

Factory Alarm Disarm Wire (-): Light Green
Factory Alarm Disarm Wire Location: In Drivers Door At Door Module

Factory Anti-Theft System: GM Passlock Ii System, Requires Bypass Module
Factory Anti-Theft System Location: N/A

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