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2002 Olds Alero

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=40077
Printed Date: July 27, 2025 at 5:32 AM


Topic: 2002 Olds Alero

Posted By: malucyk
Subject: 2002 Olds Alero
Date Posted: September 30, 2004 at 10:39 PM

Can someone please post a wiring diagram for a
2002 Olds Alero.


Thanks

Matt



Replies:

Posted By: mo12v
Date Posted: October 01, 2004 at 1:27 AM

This is what I have: 
DATA BUSS MODULE CAN BE USED ALSO

Constant 12 voltsRED & RED / BLACKIGNITION SWITCH HARNESS BEHIND RADIO
Ignition 12 voltsPINKIGNITION SWITCH HARNESS BEHIND RADIO
StarterYELLOWIGNITION SWITCH HARNESS BEHIND RADIO
Dome LightWHITE (-) *AT COURTESY LIGHT
Trunk Pin SwitchORANGE / BLACK (-)AT SWITCH OR LIGHT IN TRUNK
Parking LampBROWN (+)BEHIND RADIO
Power LockWHITEDRIVER KICK
Power UnlockSINGLE WIRE SYSTEMPANEL
* Optional Door Trigger Located At Body Control Module Under Passenger Dash. L GREEN/ BLACK (-) Covers Driver Door, L BLUE (-) Covers All Other Doors. Diode Isolation Needed, Cathode (Band) Side Of Diode Faces OEM Wires.   Single Wire Resistor Door Lock System (1.5 K Ohm for Unlock And A Chassy Ground For Lock).

Accessories
Window UpD\ D BLUE P\ L BLUE D\ D GREEN P\ L GREEN @ MAIN SWITCH
Window DownF/ GRAY F/ BROWN R/ VIO/WHT R/ VIOLET
Ign Key WarnL GREEN (-)IGNITION SWITCH HARNESS
Trunk ReleaseL BLUE (-)AT BCM UNDER PASSENGER DASH
OEM HornBLACK (-)STEERING COLUMN HARNESS
HeadlightsYELLOW (+)AT HEADLIGHT SWITCH
OEM Alarm ArmL BLUE (-)AT BCM UNDER PASSENGER DASH
OEM Alarm DisarmGREEN/ BLACK (-)AT BCM UNDER PASSENGER DASH

 Reversal Rest At Ground Power Window Circuit  
   Negative Pulse Trunk Release

Remote Start
Tach SignalWHITETOP OF ENGINE ON DISTRUBITER
Ignition #2D GREENIGNITION SWITCH HARNESS *
Ignition #3ORANGEIGNITION SWITCH HARNESS (HEAT/AC)
AccessoryBROWNIGNITION SWITCH HARNESS
Neutral SafetyNOT GROUNDING TYPE -OEM SWITCH OPENS STARTER CIRCUIT
Brake LightL BLUE (+)AT SWITCH ABOVE BRAKE PEDAL
Reverse LightL GREEN (+)AT SWITCH ON TRANSMISSION
Rear Window DefrostN/ATIMER BUILT INTO SWITCH

G.M. Passlok II     * D GREEN Wire Is Powered In "Run" & "Start" Position. This Circuit Needs To Be Powered For Engine To Start.



-------------
MO

Don't Learn from Others Mistakes
You Might Be the One That Knows.





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