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alarm installers please chime in

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Old 02-01-2007, 03:51 PM
  #21  
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Originally Posted by Shogun
I have done my fair share of remote start installs. The last one was on a newer GM that needed an immobilizer. Now, this is where my question comes in.

Is the tC too new to have an immobilizer made with the code already in it? The GM I did the install on had this small box that hooks up to the other wires and learns the code of the car the first time you turn it on and then works without the key.

I would suspect that an immobilizer could be made for the Scion to do the same thing. Of course, maybe the technology used it just expensive anyways. Of course, now that I think about it, the immobilizer was more than the remote start ($55) so the cost of the valet key probably evens it out.

Off topic: What is the point of the valet key? Why does it matter to make sure it does not have the keyless entry? Maybe it is lost on me since I have yet to ever use a valet.
see, i also thought that it would learn the code but i guess they don't have that for all cars yet.

also, the valet key is made so you can not use it to open the glove box. so when you give the car to someone to work on you give them the valet key. but please don't do that, it's very annoying getting a customers car you need to work on and not being able to take the glove box out when you have to.
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Old 02-01-2007, 04:55 PM
  #22  
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Originally Posted by Stealth_Fighter_tC
Originally Posted by ryomanmkiii
Originally Posted by Stealth_Fighter_tC
Originally Posted by ryomanmkiii
there is a company that have blank keys that you can have you're chip cloned to. the key isn't cut but have the electronics inside to be placed in the 556uw.
Thats not a bad idea, and dont get me wrong, But when I bought my tC It came with 2 remotes, and a spare valet key, so buying another blank just for the alarm to work, seems kinda......well expensive, and dumb! BUT if you got the money, and use for the "real" valet, then id say do that!! Just my opinon
the key i'm referring to isn't a toyota manufactured key. it's third party key and the cost is significantly less than getting a key from a dealer.. (i need spell check)
Thats a good idea, I wasnt downing it at all, I was just saying when I bought my tC I got 3 keys, 2 remotes, and 1 valet which I have no use for anyway....So I used that one for my alarm, and I still have a spare key! Thats all I was saying.
oh my bad!
yeah the valet key is the best bet. you don't want to stick a key in the transponder that the remote fob built on to it in there. you need those.
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Old 02-01-2007, 04:57 PM
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Originally Posted by Shogun
I have done my fair share of remote start installs. The last one was on a newer GM that needed an immobilizer. Now, this is where my question comes in.

Is the tC too new to have an immobilizer made with the code already in it? The GM I did the install on had this small box that hooks up to the other wires and learns the code of the car the first time you turn it on and then works without the key.

I would suspect that an immobilizer could be made for the Scion to do the same thing. Of course, maybe the technology used it just expensive anyways. Of course, now that I think about it, the immobilizer was more than the remote start ($55) so the cost of the valet key probably evens it out.

Off topic: What is the point of the valet key? Why does it matter to make sure it does not have the keyless entry? Maybe it is lost on me since I have yet to ever use
a valet.
as far as DEI products go, they have never made a unit like they do for gm and other domestic car make. ever since i've been installing toyoya and lexus cars the 556u or 556uw
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Old 02-01-2007, 05:19 PM
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Originally Posted by Stealth_Fighter_tC
Originally Posted by StevieSoFly
yeah i want the range! oh well what i really want is the viper 7900 but all the places I've called dont carry it and don't plan on it any time soon because not much of a demand they said.
yeah thats the same thing I said when i was looking for an alarm! The 7900? havent seen that one yet. Ill continue to search for a cheap 5900, if I find something ill PM you with the site and info!
yeah please do that. ill pm you too if i get any info on it
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Old 02-01-2007, 06:48 PM
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Originally Posted by StevieSoFly
Originally Posted by Stealth_Fighter_tC
Originally Posted by StevieSoFly
yeah i want the range! oh well what i really want is the viper 7900 but all the places I've called dont carry it and don't plan on it any time soon because not much of a demand they said.
yeah thats the same thing I said when i was looking for an alarm! The 7900? havent seen that one yet. Ill continue to search for a cheap 5900, if I find something ill PM you with the site and info!
yeah please do that. ill pm you too if i get any info on it
Ok, sounds good
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Old 02-05-2007, 04:15 PM
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follow this link to the DEI toyota lexus interface 555xw

http://www.directedstore.com/cgi-bin...ategory%3DB_IN
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Old 02-05-2007, 04:17 PM
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niiice... i think im getting my 791xv this weekend!
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Old 02-06-2007, 05:42 AM
  #28  
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well, with that one, do you still have to leave the key in the car?
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Old 02-06-2007, 07:17 PM
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Its not the specific unit that dictates whether or not you're leaving a key in the car, its the car itself, it needs an immobilizer bypass in order to remote start, and the immobilizer needs the key, its that simple. No key in a 556u = no remote start. Hope this clears it up for you...
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Old 02-27-2007, 08:04 AM
  #30  
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ok, so i found a couple alarms at my house, one being a matrix 3.5. well these were uninstalled at my dealership and this one happen to come with a 555u. will this one work for the tc? i was looking at the pics of the 556u on ebay and they look exact.y the same. it has 2 pins that go to the ignition loop and a 3 pin connector (red) that i'm not sure where it goes. oh and guess what, i open it up and find a key for a mitsu. lol.

also it had a XCRS 500m, what does this do? the red 3 pin connector went to it.
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Old 02-27-2007, 02:42 PM
  #31  
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personally when i put my python 881xp in i used the key with the factory fob attached to it for the 556uw. I use my valet key now. I didn't see the need to have the factory keyless system when my after market does it. To clarify a little more here. you have to use the 556uw. the way it works... the key goes in the box (556uw), it gets hooked up to power, ground and a "status" wire. the status wire is the wire that tells the 556uw to turn on. when you remote start the vehicle, this wire is grounded and activates the 556uw. inside the box is anoter little box that the key slides in that is covered with coiled copper wire. The wire reads the resistance of the chip in the key. once it reads the resistance it sends that signal to the ignition switch via a wire looped around the switch. The loop tricks the switch into thinking that the key is actually in the switch in turn allowing the vehicle to start. in a nut shell, you have to have the 556uw. For all the people looking for the viper 5900 you can also get the python 990 available at circuit city. It is the same thing just different color. python and viper are all the same company just marketed differently. hope this helps
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Old 02-27-2007, 04:10 PM
  #32  
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i understank all that but my question is will the 555u work? it does the same thing as the 556.
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Old 02-28-2007, 01:53 AM
  #33  
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well good news. i came to work and my friend was in the process on uninstalling a alarm and guess what, i got a 556u. now, does anyone have a wiring diagram for the 6 wires in that harness?
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Old 02-28-2007, 07:34 PM
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you only need three wires, blue black and red. blue goes to status wire off of remstart brain. black is ground and red is constant power. if your brain has a 2nd status (defroster) wire, you can use that instead of 1st status off of satellite relay pack. makes for an easier and cleaner install
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Old 02-28-2007, 07:39 PM
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But to clear things up, the 555U and the 556U do the same thing.
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Old 02-28-2007, 08:08 PM
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cool, thanks for the info. i opend the 2 up and they are a little different but i guess i'll use the 556u since it came out of a tc also. thank you.

also, the 3.5 that i got the 555u from came with some type of XCRS (500m) i think, what does this do? this is what the 555u as connected to. but if i don't use this i can just connect the 3 wires you mentioned? and by remote start brain you mean the alarms brain right? i'll probably get the Python 950 if it matters.
thanks for all the help.
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