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OLDSMOBILE ALERO

MODEL	YEAR(S
ALERO	1999-2002

KEY	T-HARNESS	IMMOBILIZER
N/A	N/A	PASSLOCK 2, Requires 791 Bypass Module

PART	COLOR	LOCATION	DIAGRAM
12 VOLT CONSTANT	RED (+) See NOTE *1	IGNITION SWITCH HARNESS
STARTER	YELLOW (+) See NOTE *1	IGNITION SWITCH HARNESS
STARTER 2	N/A
IGNITION 1	PINK (+) See NOTE *1	IGNITION SWITCH HARNESS
IGNITION 2	DARK GREEN (+) See NOTE *1	IGNITION SWITCH HARNESS
IGNITION 3	N/A
ACCESSORY/HEATER BLOWER 1	ORANGE (+) See NOTE *1	IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2	N/A
KEYSENSE	N/A
PARKING LIGHTS ( - )	N/A
PARKING LIGHTS ( + )	BROWN (+)	IN DRIVERS KICK PANEL
POWER LOCK	WHITE (1-Wire Door Lock System) See NOTE *2	IN DRIVERS KICK PANEL, BLACK Plug	26500_ALERO_ALERO 1 WIRE JBS UNITS.pdf
POWER UNLOCK	Same wire, See DIAGRAM	See DIAGRAM	5124_ALERO_ALERO 1 WIRE ALERT SHELBY UNITS.pdf
LOCK MOTOR WIRE	GRAY (+)	IN DRIVERS KICK PANEL
DOOR TRIGGER	See NOTE *3	IN DRIVERS KICK PANEL and RUNNING BOARD	26500_ALERO_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION	GREEN/BLACK (-), Requires Part #775 Relay	IN DRIVERS KICK PANEL
TRUNK RELEASE	BLACK/WHITE (+), Requires Part #775 Relay	@ TRUNK RELEASE SWITCH
SLIDING POWER DOOR	N/A
HORN	BLACK (-)	@ STEERING COLUMN HARNESS
TACH	PURPLE/WHITE	@ IGNITION COIL
WAIT TO START LIGHT	N/A
BRAKE	LIGHT BLUE (+)	@ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM	N/A
ANTI-THEFT	YELLOW (+) and BLACK (-) and WHITE (Not Used)	GM's PASSLOCK 2 System, wires are at the top of the Ignition Switch Tumbler

NOTES

NOTE *1 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 acess the back of the Ignition Switch when plugging in a T-HARNESS. NOTE *2 this vehicle uses a 1-Wire Door Locking System, LOCK requires a Straight (-)Negative and UNLOCK requires a (-)Negative thru a 1500 Ohm Resistor, some units will also require 2 extra Relays part #775, to connect, See DIAGRAMS NOTE *3 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. See DIAGRAM, On the 2 Door the LIGHT BLUE (-) is located in the Passenger kick panel.

LINK 1	LINK TEXT 1	LINK 2	LINK TEXT 2

EXTRA INFORMATION

Show Large Image This picture shows the WHITE,1-Wire Door LOCK/UNLOCK wire located in the BLACK Multi-Pin Plug, located in the Drivers Kick Panel. Show Large Image This picture shows the IGNITION SWITCH HARNESS wires in a cavity to the LEFT of the Radio with Radio removed, do not unplug the Radio, just let it hang outside of its mounting location. When NOT using a T-HARNESS, it is easier to catch these wire in this Show Large Image This picture shows the PASSLOCK 2 wires, the YELLOW, BLACK and WHITE wires (WHITE wire is not used) seperated from the rest of the IGNITION SWITCH wires, in the IGNITION SWITCH Harness. The YELLOW and the BLACK wires are used when connecting the 791 Bypas Show Large Image After removing the Brake Switch cover, you will be able to see the Brake Switch mounted to the Bracket above the Brake Pedal. The BRAKE SWITCH has (2) Plugs on it a BLUE and a GRAY, the (+) LIGHT BLUE BRAKE wire, marked with the RED Clip in this picture i Show Large Image This picture shows the (+) BROWN PARKING LIGHT wire, marked with the RED Clip, in the Passenger Kick Panel at a harness heading to the Rear of the Vehicle. Show Large Image The (+) BLACK/WHITE TRUNK RELEASE wire, marked with the RED Clip in this picture, is located in the LARGE Harness, in the Drivers Kick Panel, heading to the Rear of the vehicle. Show Large Image The BCM on this vehicle is held into place on this vehicle, under the Passenger dash, next to the Under Dash Light. It is just slid into place on a bracket. Slide it toward the Light will remove it from its holder. Show Large Image By sliding the BCM out of it holder will let you gain access to the plugs on the unit a little better. Show Large Image This is a picture of the GM-6 T-HARNESS, if you purchased a T-Harness for this vehicle, use this picture to make sure you recieved the correct harness. Show Large Image This is a picture of the GM-6 T-HARNESS Male End of this T-Harness, if you purchased a T-Harness for this vehicle, use this picture to make sure you recieved the correct harness. The Male End of this T-Harness plugs into the Back the Ignition Switch of th Show Large Image This is a picture of the GM-6 T-HARNESS Female End of this T-Harness, if you purchased a T-Harness for this vehicle, use this picture to make sure you recieved the correct harness. The Female End of this T-Harness plugs into the Ignition Switch Harness Pl