Same as I see it:
| Constant 12 volts | RED | IGNITION SWITCH HARNESS |
| Ignition 12 volts | PINK | IGNITION SWITCH HARNESS |
| Starter | YELLOW | IGNITION SWITCH HARNESS |
| Dome Light | WHITE (-) | AT INTERIOR LIGHT |
| Trunk Pin Switch | SAME AS ABOVE | |
| Parking Lamp | BROWN (+) | HEADLIGHT SWITCH |
| Power Lock | LT BLUE (+) | DRIVER KICK PANEL |
| Power Unlock | WHITE | DRIVER KICK PANEL |
Positive Pulse Door Lock
| Accessories |
| Window Up | D\ DK BLUE P\ LT BLUE AT MASTER SWITCH IN DRIVER DOOR | |
| Window Down | F/ BROWN F/ TAN * | |
| Ign Key Warn | LIGHT GREEN (-) | IGNITION SWITCH HARNESS |
| Trunk Release | PURPLE (+) | AT LIFT GLASS RELEASE SWITCH |
| OEM Horn | BLACK (-) | STEERING COLUMN HARNESS |
| Headlights | WHITE (+) | HEADLIGHT SWITCH |
| OEM Alarm Arm | NO OEM ALARM PRESENT | |
| OEM Alarm Disarm | IN SCHEMATICS | |
* Circuit Type: Reversal Rest At Ground
| Remote Start |
| Tach Signal | WHITE/ BLACK | AT ANY COIL |
| Ignition #2 | WHITE | IGNITION SWITCH HARNESS |
| Ignition #3 | ORANGE | IGNITION SWITCH HARNESS |
| Accessory | BROWN | IGNITION SWITCH HARNESS |
| Neutral Safety | NON GROUNDING TYPE | |
| Brake Light | WHITE (+) | AT SWITCH ABOVE PEDAL |
| Reverse Light | LT GREEN (+) | AT LAMPS OR ON TRANSMISSION |
| Rear Window Defrost | | |
General Motors Passlock ll
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MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
the schematics for the 05 are the same as the 04. all your wires are at the bcm behind the radio, door triggers you have to diode isolate all four wires also at the bcm.
Shows 2003 to 2005
Here is 2002:
| Constant 12 volts | RED (2) | IGNITION SWITCH HARNESS |
| Ignition 12 volts | PINK | IGNITION SWITCH HARNESS |
| Starter | YELLOW | IGNITION SWITCH HARNESS |
| Dome Light | BLUE (DR) | DIODE ISOLATION NEEDED AT BCM * |
| Trunk Pin Switch | SAME AS ABOVE | COMMON WITH DOORS |
| Parking Lamp | BROWN (+) | AT HEADLIGHT SWITCH |
| Power Lock | BLUE | DRIVER KICK PANEL |
| Power Unlock | WHITE | DRIVER KICK PANEL |
* All 4 Doors Are Wired Independently And Are Found At The BCM Behind The Radio.Orange (Passenger Door),Blue (Driver's Door).Pink (Rear Door) Yellow(Sliding Door).Diode Isolation Needed Cathode(Band) Side Of Diode Faces OEM Wires. Positive Pulse Door Lock
| Accessories |
| Window Up | D\ D BLUE P\ L BLUE/WHITE @ MAIN SWITCH | |
| Window Down | R/ BROWN S/ TAN | |
| Ign Key Warn | L GREEN (-) | IGNITION SWITCH HARNESS |
| Trunk Release | PURPLE (+) | AT SWITCH OR IN DRIVER'S KICK PANEL * |
| OEM Horn | BLACK (-) | STEERING COLUMN HARNESS |
| Headlights | WHITE (+) | AT HEADLIGHT SWITCH |
| OEM Alarm Arm | N/A | |
| OEM Alarm Disarm | LT.GREEN(-) | IN DRIVER'S KICK PANEL |
* Alt. Rear Hatch Release is LT. BLUE Wire (-) At BCM Located Above Radio, Behind Center Of Dash Reversal Rest At Ground Window Circuit
| Remote Start |
| Tach Signal | WHITE | AT IGNITION COIL |
| Ignition #2 | WHITE | IGNITION WITCH HARNESS |
| Ignition #3 | ORANGE | IGNITION SWITCH HARNESS |
| Accessory | BROWN | IGNITION SWITCH HARNESS |
| Neutral Safety | NOT GROUNDING TYPE | OEM SWITCH OPENS STARTER CIRCUIT |
| Brake Light | WHITE (+) | AT SWITCH ABOVE BRAKE PEDAL |
| Reverse Light | L GREEN (+) | AT STEERING COLUMN HARNESS |
| Rear Window Defrost | N/A | TIMER BUILT INTO SWITCH |
G.M. Passlock II Diagram.
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MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.