BYPASSIN KEYLESS ENTRY
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=42881
Printed Date: May 13, 2025 at 7:49 PM
Topic: BYPASSIN KEYLESS ENTRY
Posted By: Sprayed
Subject: BYPASSIN KEYLESS ENTRY
Date Posted: November 13, 2004 at 10:31 AM
alrighty guys heres the problem...installing an autopage 850lcd on my 2001 tahoe lt....and i can seem to bypass the keyless entry...(im assuming i have to since i did on my other truck)....anyways any help would be appreciated any wiring diagrams also...so i can double check mine...thanks!
Replies:
Posted By: snguyen
Date Posted: November 13, 2004 at 10:35 AM
| Item | Wire Color | Polarity | Wire Location | | 12V | red | + | ignition harness | | STARTER | yellow | + | ignition harness | | IGNITION | pink | + | ignition harness | | ACCESSORY | orange | + | ignition harness | | SECOND ACCESSORY | white | + | ignition harness | | TACHOMETER | white *5 | | ECM *3 | | POWER LOCK | lt. blue | + | brown plug at BCM *1 | | POWER UNLOCK | white | + | brown plug at BCM *1 | | PARKING LIGHTS + | brown | | lt. blue plug at BCM *1 | | PARKING LIGHTS - | white | | lt. blue plug at BCM *1 | | DOOR TRIGGER | *2 | - | BCM *1 | | HEADLIGHTS | white | + | lt. blue plug at BCM *1 | | WIPERS | | | | | LF WINDOW UP/DN | blue - brown | A | drivers door switch | | RF WINDOW UP/DN | blue - brown | A | passenger door switch | | LR WINDOW UP/DN | blue - brown | A | LR window switch | | RR WINDOW UP/DN | blue - brown | A | RR window switch | | TRUNK/HATCH PIN | none | | | | HOOD PIN | none | | | | TRUNK/HATCH RELEASE | none | | | | FACTORY ALARM ARM | none | | | | FACTORY ALARM DISARM | lt.green | - | drivers kick *4 | | HORN TRIGGER | black | - | brown plug at BCM *1 | | BRAKE WIRE | white | + | brake pedal switch | | LOCK MOTOR | gray | | drivers kick panel | | UNLOCK MOTOR | tan | | drivers kick panel | | DISARM DEFEAT | tan | | passengers kick panel | | DISARM NO UNLOCK | none | | | | DOME SUPERVISION | none | | | | SPEED SENSE | dk.GREEN / WHITE | | ECM *3 | | SUN ROOF OPEN/CLOSE | none | | | | SUN ROOF LIMIT | none | | | | LF SPEAKER | none | | | | RF SPEAKER | none | | | | LR SPEAKER | none | | | | RR SPEAKER | none | | | | RADIO 12V | none | | | | RADIO GROUND | none | | | | RADIO SWITCH | none | | | | RADIO ILLUMINATE | none | | | | POWER ANTENNA | none | | | | | | Notes: | NOTE: This vehicle has the passlock II immobilizer system that, when adding a remote start, must be interfaced with. Use DEI part 555t or 555L. *1 The BCM is located behind the drivers side of the dash. The plugs on the BCM face towards the rear of the vehicle. The parking lights are in pin A5 and the headlights are in pin A11. *2 Use tan for the drivers door located in pin B4 of the purple plug, the passenger doors are a blue/white in the lt. blue plug, and the rear hatch pin is a pink/black in the lt. blue plug. You must diode isolate these wires. *3 ECM is located near the battery, down low, between the fender and the fan under the black plastic cover. On the 4.3L, the tach wire is at pin 20 in the connector labeled 'red', and VSS wire is at pin 3 in the connector labeled 'black'. On the 4.8L, 5.3L, and 6.0L, the tach wire is located at pin 10 in the 'red' connector, and VSS wire is located in pin 50 of the 'red' connector. *4 Also found in the purple plug of the BCM. *5 Diesel wait to start wire is dk. blue (-) located at the instrument cluster. |
Posted By: snguyen
Date Posted: November 13, 2004 at 10:36 AM
| TAHOE GAS/DIESEL 2000-2002 | | WIRE | COLORS | LOCATION | | 12 VOLTS CONSTANT | RED | IGNITION SWITCH HARNESS | | IGNITION 1 | PINK (+) | IGNITION SWITCH HARNESS | | IGNITION 2 | WHITE (+) | IGNITION SWITCH HARNESS | | ACCESSORY /HEATER BLOWER | ORANGE (+) | IGNITION SWITCH HARNESS | | STARTER | YELLOW (+) | IGNITION SWITCH HARNESS | | PARKING LIGHTS (+) | BROWN | at the LIGHT BLUE Plug, BCM, Pin B6 See NOTE * | | DOME LIGHT | See NOTE ** | See NOTE * | | POWER DOOR LOCK | LIGHT BLUE | at the BROWN Plug, BCM, Pin A4 See NOTE * | | POWER DOOR UNLOCK | WHITE | at the BROWN Plug, BCM, Pin A3 See NOTE * | | FACTORY DISARM | LIGHT GREEN (-) | at the PURPLE Plug, BCM, Pin B3 See NOTE * | | TACH SENSOR | WHITE | at the ECM See NOTE *** | | DIESEL WAIT to START | DARK BLUE (-) | at the INSTRUMENT CLUSTER | BRAKE | WHITE (+) | at the SWITCH ABOVE BRAKE PEDAL | HORN | BLACK (-) | at the BROWN Plug, BCM, Pin A9 See NOTE * | | FACTORY ANTI-THEFT | PASSLOCK II | Requires part #791 bypass module |
NOTE * The BCM (Body Control Module) is located behind the DRIVERS SIDE of the DASH, with the PLUGS facing the rear of the vehicle. NOTE ** Use the TAN(-) wire in the PURPLE plug, Pin B4 for the DRIVERS Door at the BCM, for ALL OTHER doors use the BLUE/WHITE (-) Pin11 of the LIGHT BLUE plug. When connecting to an alarm use both wires and diode isolate. For DOME LIGHT SUPERVISION use the TAN(-) wire in the PURPLE plug, Pin B4 at the BCM. NOTE *** The ECM (Electronic Control Module) is located near the BATTERY down low, between the FENDER and the FAN under the BLACK PLASTIC COVER. The 4.3L tach wire is in a 20 pin connector labeled RED. The 4.8L, 5.3L and 6.0L tach wire is in Pin 10 in the RED connector.
Posted By: snguyen
Date Posted: November 13, 2004 at 10:37 AM
Remote Starter Wiring Colors and Notes | Function | | Vehicle Color | Location | Start: | | YELLOW (# AWG) | IGNITION SWITCH HARNESS | Ignition #1: | | PINK (# AWG) | IGNITION SWITCH HARNESS* | Ignition #2: | | WHITE (# AWG) | IGNITION SWITCH HARNESS(ECM) | Ignition #3: | | N/A | | Accessory: | | ORANGE | IGNITION SWITCH HARNESS (HEAT/AC) | Brake Light: | | WHITE (+) | AT SWITCH ABOVE BRAKE PEDAL | Tach Signal: | | VIOLET/WHITE | AT PLUG ABOVE VALVE COVER ON DR. SIDE | Parking Lights: | | BROWN (+) | # PIN PLUG IN FUSE PANEL OR AT SWTICH | Headlights: | | YELLOW (+) | AT HEALIGHT SWITCH | OEM Alarm Disarm: | | GREEN | IN FLAT CONNECTOR IN DR. KICK PANEL | OEM Alarm Arm: | | N/A | | Diesel Glow Plug: | | | | Clutch Bypass Wire: | | | | Notes: | | *This Vehicle Is Equipped With GM's PASSLOCK II Anti-Theft System. Use Universal Alarm Bypass Module part # 2x402 where X can be any number. |
Alarm and Keyless Entry Wiring Colors and Notes | Function | | Vehicle Color | Location | Constant +12 Volts: | | RED (2) | IGNITION SWITCH HARNESS | Starter Kill: | | YELLOW (# AWG) | IGNITION SWITCH HARNESS | Ignition +12 Volts: | | PINK (# AWG) | IGNITION SWITCH HARNESS* | Dome Lights/Superv: | | WHITE | AT PLUG IN CONVIENENCE CENTER ** | OEM Horn: | | BLACK (-) | STEERING COLUMN HARNESS | Power Lock: | | LT. BLUE | # PIN PLUG AT FUSE PANEL ON DR. SIDE | Power Unlock: | | WHITE | DRIVER'S KICK PANEL IN BODY CAVITY *** | Trunk Release: | | N/A | | Alarm Input Wire: | | WHITE | AT PLUG IN CONVIENENCE CENTER ** | Notes: | | ** Convenience Center Is Locate Under Driver's Dash Near Fire Wall (Listen for dome light relay). *** See Note #202 - Positive Pulse Door Lock Diagram. |
Posted By: Sprayed
Date Posted: November 13, 2004 at 11:47 AM
Oh your good....But are you this good?...Tryin to hook up my door lock &unlock....and when I hook up the door lock to the (trucks) unlock wire...and the door unlock to the (trucks) lock wire....they work on opposite terms(when i press the alram lock , it unlocks the truck & and press the unlock it locks the truck)....BUT when i hook them up like it said...(lock to lock & unlock to unlock) it only unlocks the doors and will not lock them!!....Do i have to bypass the keyless entry??.......BTW thanks!!
Posted By: snguyen
Date Posted: November 13, 2004 at 3:02 PM
NOTE ** Use the TAN(-) wire in the PURPLE plug, Pin B4 for the DRIVERS Door at the BCM, for ALL OTHER doors use the BLUE/WHITE (-) Pin11 of the LIGHT BLUE plug. When connecting to an alarm use both wires and diode isolate. For DOME LIGHT SUPERVISION use the TAN(-) wire in the PURPLE plug, Pin B4 at the BCM.
Posted By: Sprayed
Date Posted: November 13, 2004 at 3:51 PM
K......I'll try that....I was taking that as to be all for the dome light....for some dayum reason
|