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Discussion Starter #1
Just received my new alarm yesterday and like usual I am going to attempt to install myself before calling the professionals. I looked under the car but I wanted to make sure I had the right location. Can someone post pics or verify the iginiton wiring harness. I saw what I believe are the wires, which are the much fatter ones, but I wanted to make sure before I start cutting wires. Also can someone give me the locations that they put their control centers and cpu. Thanks
 

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First and foremost ALWAYS ALWAYS cut a "window" or strip of insulation from the heavy gauge ignition wires and solder the wire that you need to interface to it, if you are talking this is just an alarm then yeah you will have to cut the starter wire for the disable portion.

Control Centers and CPU?!!!! What is that. if you are talking the brain box, bury it so if someone tried to steal your car they would have a hell of time finding the box.

Ignition wires are on the top and side of the steering column.

What model and brand of alarm are you installing, or attempting I should say :)
 

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Discussion Starter #3
Thanks. Yeah I read up on soldering and how to strip the wire. I was just making sure that I had the right location. So I am guessing the thicker wires are the ignition wires that I need to use.
Yeah I am taking about the brain but that is what the book called them. I just wanted to know a good location it or where most installers put it.
I am atempting a Viper 5901 but I think I am in over my head and I havent even taken the plastic off the box. LOL.
 

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Yes I would suggest that you get all the appropriate FSM or wiring diagrams for the car as they will have the color code listed, as well as double check the wires function with a meter. It isn't very complicated to install a 5901, I have done a few of them. I fyou are going to attempt it yourself, just read through everything thoroughly and double if not triple check your connections. Also if hooking up the remote start function on the alarm be aware of the VATS system if you have it on your car, will have to be disabled. This a pretty good forum to check out and for you to do some research on, what is your location? Doubt you are close to me, but you never know, I could help you out.
 

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Discussion Starter #5
Yeah I have all the wire diagrams from here and 12volt. I just dont see where all the connections are supposed to go. I dont have a VATS system so i thought I would have an easier time but I am second-guessing now. I'm in NC but I actually have family in Kalmazoo. Thanks for the help so far.
 

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the wire diagram on here is dead on, i installed a commando fm870 on mine and it was not all that hard, just take your time and be sure you connect the correct wires, would probably be easier on your back if you remove the front seat so you could lay on the floor, solder is a must along with lots of insulation, hide the brain in a good place and dont tell anyone where it is(cant trust anybody these days, ask me how i know) if you feel you can do it yourself then do cause shops charge a good deal of cash for the install, good luck if you have trouble let us know and we will try to help as best we can from over the web
 

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Discussion Starter #8
Thanks for all of the help. I feel like a dumbazz because nothing is making sense. I am looking at the install guide and I saw the vehicle diagrams from 12 volt and a few other sites. After looking around I dont see where half of the wires on the 3 alarm harnesses are supposed to go. I think I am going to have to throw in the towel. Now i see why people pay so much to allow professionals to do it.
 

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Discussion Starter #11
Yeah there are like a million wires. I just wish I knew which ones I actually needed. I talked to a guy who installs and he said without the VATS he could do it in about an hour and a half next week. I have my doubts about this guy after reading the forums and peoples install times. But if what he is saying is true then I really feel like a sorry azz.
 

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Well you have to think about it though, if he has done the installation a couple of times on our version of cars, it goes pretty fast, but I am not sure that the quality would be there. My friend that installs them all day long, takes at least 3 hours to do an install on a basic car. VATs isn't rocket science, measure the key resistance, install resistor across wires going to ignition cylinder and that is it, maybe half an hour. Finding and double checking the interface wiring takes longer than disabling/tricking out VATs does.

Things that take the longest for the installation

- routing wiring to make for a clean installation
- mounting the boxes in a good location, i.e. hidden and making sure that the shock sensor is on the main support of the dash from proper operation.
- mounting the siren
- running the wiring for the tach feed
- location and drilling hole for status LED and location for remote disarm switch
- double checking the wiring is a big thing, even if I know where it goes I double check to be certain
 

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an hour and a half?, i dont know about that, as far as what wires to use, i debated that myself, but once you get under the dash, just grab the wire diagram, installation book, and the needed tools, and take it one wire at a time, when you come to a wire you dont need, just move on to the next one
 

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an hour and a half?, i dont know about that, as far as what wires to use, i debated that myself, but once you get under the dash, just grab the wire diagram, installation book, and the needed tools, and take it one wire at a time, when you come to a wire you dont need, just move on to the next one
That is good advice, just take your time if you are going to do it yourself. Maybe I should just get a remote start alarm for my Roady and do an installation how to. I think that there are alot of guys out there that would like to do this sort of installation, but get intimidated with the wiring that is involved.
 

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Discussion Starter #15
Yeah i cant believe that nobody has done a step by step how-to for alarms. Thanks for all of the advice so far though. I guess I am going to attempt it over the holidays and if it doesn't work I will take it to the installer. If I miss a wire when installing, I am assuming that nothing bad can happen??? Right?? Thanks
 

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Yeah i cant believe that nobody has done a step by step how-to for alarms. Thanks for all of the advice so far though. I guess I am going to attempt it over the holidays and if it doesn't work I will take it to the installer. If I miss a wire when installing, I am assuming that nothing bad can happen??? Right?? Thanks
the remote start is the portion that you are going to have to worry about the most, if there is a wire missed or not wired correctly it can cause things like starter run on and stuff like that. It is pretty straight forward, in the next few days I will see if I can dig into my car so that you can see where the wiring needs to be spliced to, can't guarantee it, but I will try,
 

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Discussion Starter #17
I am definitly going to document this install if it turns out ok. OK I just finished ripping the dash apart and located most of the wires from the 12 volt wire diagram. I do have a couple of questions though. Are these the only wires (18 total) that I will be using for my alarm? In the instructions for the 12v constant it is saying that I need to add another fuse. It already has a 15A but it is saying that is for the control module. What size fuse should I use if any? Lastly for now, where in the hell do all of the Aux (H2) wires go? And can someone translate what they are talking about if they have the Viper Installation guide: http://www.directeddealers.com/manuals/IG/Viper/N5702V_2008_08web.pdf
 

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I am definitly going to document this install if it turns out ok. OK I just finished ripping the dash apart and located most of the wires from the 12 volt wire diagram. I do have a couple of questions though. Are these the only wires (18 total) that I will be using for my alarm? In the instructions for the 12v constant it is saying that I need to add another fuse. It already has a 15A but it is saying that is for the control module. What size fuse should I use if any? Lastly for now, where in the hell do all of the Aux (H2) wires go? And can someone translate what they are talking about if they have the Viper Installation guide: http://www.directeddealers.com/manuals/IG/Viper/N5702V_2008_08web.pdf
Just going over it really quick but I will look it over more thoroughly, it has been about a year or so since I ave installed on.

H2 harness, you won't use at all, unless you need door poppers or something like that. Also runs for factory alarm stuff, which you don't have, or if you want the horn to honk when alarm is triggered, which I doubt.

I don't believe that you need another fuse. Unless you are tapping off of this wire for other things like remote trunk pop and dome light supervision. you will need to add a fuse to the wire that is feeding these relays.

I will see what I can draw up for you tonight or later in the week
 

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Discussion Starter #19
On the heavy guage 10 pin connector I am not sure which ignition wires I actually need to use. I know that I have to use the pink one for the main but what about the fused ignition 2 wire, fused ignition 1, ignition 2 flex relay, and 87a wires that are on the alarm wires? The same goes for the starter. Which starter wire from the alarm do I need to hook up to the ignition switch harness? Thanks
 

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