what brand remote start alarm system?

Thanks guys I've figured out which control module and what remotes I want and it seems I can source them. How hard would this be to DIY install? I am fairly handy but have never taken a big electrical project before. Obviously with a lot of reading and researching prior commencing the install. The car is a 2003 model Mitsubishi Diamante with a factory alarm system fitted

I've done quite a bit of electrical add-ons on my vehicles so I was fine with the electrical aspect of mine, My issue was where to mount the module and how to get my hands in there to secure the module once I got it in a place I liked it in. Like I always say to anyone that asks me about electrical, just remember unless you use a diode the power will flow in both directions, so make sure you have a good idea of what your doing otherwise it really isn't that hard. Most all of the wiring diagrams/charts you can find on the internet just double check them with your install and you should be fine. Everywhere I read says to solder connections, If you can and want to by all means go that route, however, I just used T-Taps and My install has been fine; If I ever run into an issue with a connection I will see about trying to solder them, Unfortunately no matter how many tomes I try (on scraps) the only thing I can seem to muster up is what looks like (on youtube) as a "Cold-Solder", so I'll have to find someone to help with that If the time ever comes.

From what I see the hardest bit should be figuring out which wire to splice into. I was also planning on using those T-Tap (posi taps whatever they are)to at least initially test that all works well and once it does I would consider soldering them. I wouldn't start with solder as it might get too messy if I make a mistake.

I dob't know if the Australian cars use the same wire guides as the American but I know af a couple places that you can get wire guides from and I've made the printouts from them into a single PDF file, If you want it just PM me and I'll see if I can send it through here, otherwise I can just e-mail it. I don't have a diamante so I don't know how acurate the guides will be but it may be a start.

I've come to learn that even though they are built in the same factory, the US and AU spec Diamantes use different wiring looms. I can get the wiring schematics for the AU spec. This should be enough to wire up an alarm shouldn't it?

it should, just test and double check the connections (to the spec sheets) with a DigitalMultiMeter or at least a test light to make sure you have the right wires, once you know you have the correct wires, have at it and enjoy.