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98 tahoe viper 791xv

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=116242
Printed Date: July 15, 2025 at 8:08 AM


Topic: 98 tahoe viper 791xv

Posted By: kaotikzero01
Subject: 98 tahoe viper 791xv
Date Posted: September 10, 2009 at 10:17 AM

hey guys im wanting to install my 791xv into my 98 2 door tahoe any special ways to put it in? also im wanting to hook up the remote start.. any help is greatly appreciated thanks!



Replies:

Posted By: tommy...
Date Posted: September 10, 2009 at 9:43 PM
BatteryRED(+)IGNITION SWITCH HARNESS
posted_imageIgnition 1PINK(+)IGNITION SWITCH HARNESS
posted_imageIgnition 2WHITE(+)IGNITION SWITCH HARNESS
posted_imageAccessory 1ORANGE(+)IGNITION SWITCH HARNESS (HEAT/A.C.)
posted_imageAccessory 2BROWN(+)IGNITION SWITCH HARNESS
posted_imageStarter 1YELLOW(+)IGNITION SWITCH HARNESS
posted_imageAnti-Theft TypeRESISTOR BASED SYS
posted_imageAnti-Theft DescriptPASSLOCK II
posted_imageKey SenseLIGHT GREEN(-)IGNITION SWITCH HARNESS
posted_imageTachometerWHITE(-)AT COIL PASS REAR OF ENGINE
posted_imageSpeed SenseDARK GREEN / WHITE(AC)PIN 15 AT RADIO HARNESS OR PIN K CCM
posted_imageParking LightsBROWN(+)HEADLIGHT SWITCH
posted_imageBrake LightsWHITE(+)AT BRAKE SWITCH
posted_imageReverse LightsLIGHT GREEN(+)MODULE AT LEFT SIDE OF DRIVERS DASH
posted_imageHornBLACK(-)AT STEERING COLUMN

Power UnlockWHITE(+)RELAY ABOVE GAS PEDAL
posted_imagePowerLockLIGHT BLUE(+)WITHOUT KEYLESS ENTRY SHOULD BE 5-WIRE.
posted_imageLF Window UpDARK BLUE(REV)DRIVERS DOOR SWITCH
posted_imageLF Window DnBROWN(REV)DRIVERS DOOR SWITCH
posted_imageRF Window UpLIGHT BLUE(REV)DRIVERS KICK PANEL
posted_imageRF Window DnTAN(REV)DRIVERS KICK PANEL



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M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!




Posted By: tommy...
Date Posted: September 10, 2009 at 9:44 PM
Headlights-LoYELLOW(+)AT LIGHT SWITCH
posted_imageLF Pk Lt BulbBROWN(+)AT FRONT LEFT PARKING LIGHT
posted_imageRF Pk Lt BulbBROWN(+)AT FRONT RIGHT PARKING LIGHT
posted_imageLR Pk Lt BulbBROWN(+)AT REAR LEFT PARKING LIGHT
posted_imageRR Pk Lt BulbBROWN(+)AT REAR RIGHT PARKING LIGHT
posted_imageWipers-LoVIOLET(+)AT STEERING COLUMN
posted_imageTrnk ReleaseBROWN(+)AT SWITCH OR DRIVER'S KICK PANEL

BatteryRED(+)IGNITION SWITCH HARNESS
posted_imageIgnition 1PINK(+)IGNITION SWITCH HARNESS
posted_imageStarter 1YELLOW(+)IGNITION SWITCH HARNESS
posted_imageAll Door TriggerVIOLET(-)EITHER PIN SWITCH
posted_imageTrunk TriggerPPL(-)4 PIN BLK CONN DR.KICK PANEL
posted_imageAlarm DisarmTAN
posted_imageParking LightsBROWN(+)HEADLIGHT SWITCH



-------------
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!




Posted By: tommy...
Date Posted: September 10, 2009 at 9:47 PM

Have you decided on a bypass yet...Here is one way to do it without buying one... https://documents.audiovox.com/700054.pdf

IN 1997 GM INTRODUCED A NEW ANTI-THEFT SYSTEM. THIS SYSTEM IS STILL BEING USED IN 2005 VEHICLES. IT USES A CALIBRATED RESISTANCE IN THE IGNITION

CYLINDER TO PROVIDE A CODE TO THE BODY FUNCTION COMPUTER. WHEN THE KEY IS TURNED TO THE START POSITION, THE CYLINDER CONNECTS ITS INTERNAL

RESISTANCE BETWEEN THE YELLOW (22G) WIRE AND THE BLACK (22G) WIRE. ONCE THE KEY IS RELEASED TO THE RUN POSITION THE RESISTANCE REMAINS

ACROSS THE YELLOW AND BLACK WIRES. ONLY WHEN THE KEY IS TURNED OFF, DOES THE CYLINDER OPEN THE CONNECTION BETWEEN THE RESISTOR AND THE

BFC. THE STEPE BELOW WILL ASSIST YOU IN CONSTRUCTING THE PROPER INTERFACE CIRCUIT.

1. START WITH THE IGNITION IN THE OFF POSITION AND PARKING BREAK APPLIED.

2. CUT THE YELLOW WIRE AND CONNECT THE RED TERMINAL OF A MULITMETER TO THE KEY SIDE. SET THE METER TO THE OHM SCALE.

3. CONNECT THE BLACK LEAD TO THE BLACK OR ORANGE / BLACK WIRE AND OBSERVE THE READING.

4. TURN THE IGNITION SWITCH TO THE RUN POSITION, THEN DEPRESS AND HOLD THE BRAKE PEDAL. IF THE RESISTANCE CHANGED THAT MEANS YOUR VEHICLE

HAS AN EARLIER PASSLOCK1 SYSTEM.

5. MOVE THE SHIFTER TO THE REVERSE POSITION, THEN, WHILE CONTINUING TO DEPRESS THE BRAKE PEDAL, TURN THE KEY FORWARD TO THE START POSITION

AND READ THE RESISTANCE ON THE MULTIMETER.. RECORD THE VALUE AND RETURN THE SHIFTER TO THE PARK POSITION.

6. FIND A MATCHING RESISTOR FROM THE PACK INCLUDED WITH THE REMOTE START OR PURCHASE ONE. BE SURE THAT THE VALUE IS WITHIN 5% OF YOUR

MEASUREMENT.



-------------
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!




Posted By: kaotikzero01
Date Posted: September 10, 2009 at 11:38 PM
thanks for your help tommy




Posted By: tommy...
Date Posted: September 11, 2009 at 7:52 AM
Sure thing(your welcome)...Please post results...!

-------------
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!





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