Problems with the 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=47444
Printed Date: May 14, 2024 at 12:15 AM
Topic: Problems with the Viper 791XV
Posted By: DukeDuke
Subject: Problems with the Viper 791XV
Date Posted: January 11, 2005 at 11:08 AM
I have a Viper 791XV on my dodge ram. The remote start doesn't every work. It will attempt a start up and then just doesn't do anything, and will try and a few more times, but it will just never turn all the way over. As well, when I go to lock/unlock my truck, I hit the button, it does the function and then beeps back at me like its not getting feedback from the truck saying it is locked. As well, when I do something, lets say, unlock the doors, the remote might still show locked doors. Or, if I attempt to start the truck via remote start, it will show that the truck is running when it never has. Until I take the battery out and reset it. I am thinking it must be the remote or ant. Do you have any ideas? Can you help me please?
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Duke Duke
Replies:
Posted By: meltingplastic
Date Posted: January 11, 2005 at 12:56 PM
2 way remotes seem to go bad alot.. might try gettin a different remote.. did all the features used to work?
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Driving a Bagged, Caddied 02 s10
Posted By: DukeDuke
Date Posted: January 11, 2005 at 1:14 PM
yeah they used to
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Duke Duke
Posted By: Jschult3
Date Posted: January 11, 2005 at 2:02 PM
When was the install done? If all the functions did work when it was originaly installed it could be the remote. Other causes could be loose wiring, loose connections etc... J ------------- Jeff
Always Verify Wire information before Connecting! Just a Darn Good DIY'R
Posted By: DukeDuke
Date Posted: January 11, 2005 at 2:26 PM
It was installed 8 or 10 months ago ------------- Duke Duke
Posted By: Jschult3
Date Posted: January 13, 2005 at 11:33 AM
Try a new battery in the remote first Check the antenna connection inside the vehicle If that doesn't work try a new remote. You can find them on e-bay for about 70.00usd. If you have a buddy with the same system(any viper transponder) try programming their remote into your car and see if it works. If it does you know you'll need a new one. If you don't have the 791xv install instrucions I have on .PDF and can send to you. ------------- Jeff
Always Verify Wire information before Connecting! Just a Darn Good DIY'R
Posted By: Jschult3
Date Posted: January 13, 2005 at 11:35 AM
Almost forgot- If the starter is trying and then stops you can check the shutdown diagnostics per the manual. Let me know if you need it. Jeff ------------- Jeff
Always Verify Wire information before Connecting! Just a Darn Good DIY'R
Posted By: gus1
Date Posted: January 13, 2005 at 1:19 PM
1) Remote has issues. Not unheard of at all with the Viper 2ways. I have seen several exibit the same symptoms... usually bad solder joints in the remote itself- replace.
2) Check the grounds. Also, where didtheygo for tach? Try a different tach source, relearn, etc.
I am assuming this is an older (pre 2002) truck with no immobilizer.
Gus
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Wherever I go, that is where I end up......
Posted By: DukeDuke
Date Posted: January 19, 2005 at 3:33 PM
It is a 1999 Dodge Ram 1500 4x4 with the 318. I believe they used the wire that is black and white or gray and black, I will have to check into it. A buddy of mine who is the installer at the car audio store, did it for me after hours, it looks like SH*T, like it could be a fire hazard, however, I checked all the wires and they are all connected right, I am about to go outside and check the remotes, for some good reason, I bought a 2nd remote and never used it, so I will try it right now. If you have anymore ideas or suggestions, please post, as well, please tell me if you know what wire i should tach it to! Thanks! ------------- Duke Duke
Posted By: gus1
Date Posted: January 19, 2005 at 3:57 PM
Tach should be either BLACK/ grey or grey with black over at either the coil on the front passenger side of the block, or at the TCM mounted to the passenger firewall.
Gus
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Wherever I go, that is where I end up......
Posted By: DukeDuke
Date Posted: January 19, 2005 at 4:03 PM
I believe it is connected onto a spark plug, there is a green and red or green and orange wire coming out of what looks like a spark plug on the drivers side of the engine. and the wire is connected to the other wire, not the green RED / green orange wire...
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Duke Duke
Posted By: DukeDuke
Date Posted: January 19, 2005 at 4:04 PM
I am sorry, that sounded TOTALLY confusing, let me run outside and check...
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Duke Duke
Posted By: DukeDuke
Date Posted: January 19, 2005 at 4:07 PM
there are 4 plugs on the engine block 1 then a space 1 then a big space, 1 then a space and 1... it is connected to the first plug(looks similar to a spark plug connection) there are 2 wires coming out of it, one that is green and orange and one that is white and blue, it is connected to the white and blue wire.
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Duke Duke
Posted By: DukeDuke
Date Posted: January 19, 2005 at 4:33 PM
as well, the valet button is mounted to the bar under the knee panel, and it looks like the back of it has just melted for some reason
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Duke Duke
Posted By: DukeDuke
Date Posted: January 24, 2005 at 10:03 AM
Just thought I would post this as well, and see if the alarm could be the cause of this problem as well, my battery in the truck will not stay charged, it seems to die after it has sat in the cold for about 24 hours or so. I am not sure if it is because the alarm is messing up, or because or something else. But, just thought I would throw that into the mix and see if maybe someone could come up with a solution and see if they could help me with it! Please let me know if you have any ideas or know what the cause of my problem is! Thanks!
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Duke Duke
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