Whether your an expert Oldsmobile Alero car alarm installer, Oldsmobile Alero performance fan or a novice Oldsmobile Alero enthusiast with a 2002 Oldsmobile Alero, a Oldsmobile Alero 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 2002 Oldsmobile Alero.

The Modified Life staff has taken all its Oldsmobile Alero car alarm wiring diagrams, Oldsmobile Alero car security wiring diagrams, Oldsmobile Alero car alarm wire diagrams, Oldsmobile Alero car security wiring schematics, Oldsmobile Alero car security diagrams, Oldsmobile Alero 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 Oldsmobile Alero 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 2002 Oldsmobile Alero.

Questions

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If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 2002 Oldsmobile Alero on this page.

2002 Oldsmobile Alero Car Security Wiring Diagram

Battery Constant 12v+ Positive Wire (+): Red (It will be necessary to remove the radio, to access the back of the ignition switch. In some cases you may have to pull the instrument cluster to access the back of the ignition switch when plugging in a T-harness.)
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness

Starter Positive Wire (+): Yellow (It will be necessary to remove the radio, to access the back of the ignition switch. In some cases you may have to pull the instrument cluster to access the back of the ignition switch when plugging in a T-harness.)
Starter Positive Wire Location: Ignition Switch Harness

Ignition Positive Wire (+): Pink (It will be necessary to remove the radio, to access the back of the ignition switch. In some cases you may have to pull the instrument cluster to access the back of the ignition switch when plugging in a T-harness.)
Ignition Positive Wire Location: Ignition Switch Harness

Secondary Ignition Positive Wire (+): Dark Green (It will be necessary to remove the radio, to access the back of the ignition switch. In some cases you may have to pull the instrument cluster to access the back of the ignition switch when plugging in a T-harness.)
Secondary Ignition Positive Wire Location: Ignition Switch Harness

Accessory Positive Wire (+): Orange (It will be necessary to remove the radio, to access the back of the ignition switch. In some cases you may have to pull the instrument cluster to access the back of the ignition switch when plugging in a T-harness.)
Accessory Positive Wire Location: Ignition Switch Harness

Parking Light Positive Wire (+): Brown
Parking Light Positive Wire Location: In Drivers Kick Panel

Power Door Lock Negative Wire (-): White (1-Wire Door Lock System). This vehicle uses a 1-wire door locking system, lock requires a straight (-) negative and unlock requires a (-) negative through a 1500 ohm resistor, some units will also require 2 extra relays.
Power Door Lock Negative Wire Location: In Drivers Kick Panel, Black Plug

Power Door Unlock Negative Wire (-): Same Wire as Above.
Power Door Unlock Negative Wire Location: N/A

Door Trigger Positive Wire (+): This vehicle has a green/black (-) for the drivers door in the drivers kick panel and a light blue (-) for all other doors and is located in the drivers running board harness heading under the drivers seat. When connecting to an alarm system, use both door trigger wires and diode isolate. On the 2 door the light blue (-) is located in the passenger kick panel.
Door Trigger Positive Wire Location: In Drivers Kick Panel And Running Board

Domelight Supervision Wire (-): Green/Black (Requires Relay)
Domelight Supervision Wire Location: In Drivers Kick Panel

Trunk Release Positive Wire (+): Black/White (Requires Relay)
Trunk Release Positive Wire Location: At Trunk Release Switch

Horn Negative Negative Wire (-): Black
Horn Negative Negative Wire Location: At Steering Column Harness

Tachometer Wire Negative Wire (-): Purple/White
Tachometer Wire Negative Wire Location: At Ignition Coil

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

Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Factory Anti-Theft Wire: Yellow (+) And Black (-) And White (Not Used)
Factory Anti-Theft Wire Location: GM Passlock 2 System. Wires Are At The Top Of The Ignition Switch Tumbler.

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