programming viper car alarm
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=63482
Printed Date: July 07, 2025 at 7:54 PM
Topic: programming viper car alarm
Posted By: jagyro
Subject: programming viper car alarm
Date Posted: September 29, 2005 at 12:40 PM
does anyone know how i would be able to program a viper 791xv car alarm. I have a problem with my tac wire, or atleast one shop told me and they said it needs to be programmed to fix the problem. The car turns over a few times but dosnt start, it just stops everything and goes silent, while holding the key it starts up again and runs.
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99 z28
Replies:
Posted By: kgerry
Date Posted: September 29, 2005 at 1:36 PM
press and hold the valet push switch within 5 seconds of starting the car with the key... the LED will come on solid to confirm tach learned
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: jagyro
Date Posted: September 29, 2005 at 9:01 PM
heres a question, is the tac wire specific to remote starting? Because i didnt hook they didn't hook that up because its a manual.
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 9:11 PM
so umm yea, if the remote start IS NOT hooked up, you still will need the tach wire connected??
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 9:20 PM
LOL well this is the thing i got the 791xv installed right w/o remote start"manual" and when they hooked up the ign section of it, the car didnt want to start up right away. It would turn over a couple times then the starter would turn of and the car wouldnt run, while holding the key in the same possition"run" it would kick back on and start up finaly. I talked to a shop over in my area"another shop" and they said that it was prob my tach needing to be programmed. But i don't have remote start hooked up so why would i need that??
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 9:29 PM
Im not sure what it could be cause the only times it happend was after i got off work it wouldnt start up right away. It did the whole thing i was talking about. But after i drove it around for about 20 min and turned it off and tried again. I wouldn't have a problem. Maybe a sticky relay what do you think??
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 9:33 PM
oh yea when it happend the alarm wasnt set ither all night
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 9:39 PM
99 z28 camaro, oh yea ive also seen posts about my car alarm needing a bypass. because i got VATS "stock alarm"
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 9:52 PM
yes i do, but i think i disabled it. Did the whole turn key do this, do that, then that.
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 11:36 PM
i disabled the factory alarm threw removing the radio fuse then turning to ign, the hitting the door unlock button till i only herd 1 chime. suposably thats suposed to disable the factory alarm. Im just taking that alarm completly out of the picture.
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99 z28
Posted By: jagyro
Date Posted: September 29, 2005 at 11:59 PM
i was thinking about it right, but back just when installed it, it had the problem a whole lot. Like every time i tried starting it. They pulled the relay for the remote start the 500m xcrs modual and the problem went away. But a week later it started again. Do you think if they left the tach wire connected it could be screwing with the alarm? Or maybe the remote start portion is not disabled? If it isn't how would u disable it?
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99 z28
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