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Rezensionen (1)
30. Dez 2015
Great product, installation can be tricky
1 von 1 finden das hilfreich I have installed items like this before so I had an idea of what I was getting myself into. Even so, the installation instructions are not very clear. I went and found a review on Amazon that explained in very good detail how this thing works. With that, and some other research that my 2004 Jeep Grand Cherokee was negatively polar (or negatively switched, how ever you say it) and buying the adapter to connect this Viper product to my Jeeps data wire (thus getting factory alarm and arming) I was set.
It should be noted this is just the key less entry. There is no siren or locks, as some other products have.
All in all this product is great! I love it! (4 starts only for the crappy installation instructions)
Here is the helpful Amazon review for anyone that wants. I can't post a link so here it is:
"This product has a lot of features and except for one (which I'll get to in a sec) they do what they say. The problem is that the directions of the wiring diagram are pretty vague. I did some reading up after looking at the wiring diagram to see what others said and a lot of the talk seemed to be about the instructions being just hard enough to follow that you really had to know your business to install the product, otherwise you should take it to a professional installer. Well, I have a BS in Electrical Engineering and I've worked as an electrical technician in manufacturing, and have read hundreds of equipment OEM manuals, schematics and wiring diagrams. I disagree with what I read. I think there are a lot of reasonably skilled do-it-yourselfers that could do this install with a little better instructions. Here's the thing. The wiring diagram states certain wires go to (several examples) Lock #30 common output, Lock #87 Normally closed, Lock #87 normally open (input), Unlock #30 common (output), etc. OK, so if all I have to do is ground (or apply +12v to) a certain wire in the car's wire harness and it triggers the door to lock, and ground (or apply +12v to) a different wire and it triggers the door to unlock... why can't the directions just say this wire (#5) is a ground (or +12v) wire, this wire (#6) connects to the wire for locking the car, and this wire (#7) to the wire for unlocking the car?? Well the answer is that automotive relays (hint: look them up on google) use a common terminal nomenclature. Automotive relays always label the coil terminals as 86(+) and 85(-), and the contacts as 30(common) and 87a(normally closed) and 87(normally open). Once you know that, their instruction will fall into place. Here you go: there are 3 wires that are labelled as "Lock" wires. (1)Lock #30 common output, (2) Lock #87 Normally closed, (3) Lock #87 Normally Open (input). Let me decipher... (1) Lock #30 common output means tie this wire to the wire on your car that when grounded (or tied to +12v) causes the door to lock, (2) Lock #87 Normally Closed means connect this wire to nothing (usually), and (3) Lock #87 Normally Open (input) means hook this wire up to either ground or +12v, depending on what triggers your car's locking mechanism. Once the system is all hooked up, pressing the lock button on the remote will disconnect 30 from 87 Normally closed (the "rest" state) and connect 30 to 87 normally open for a brief moment... long enough to trigger the lock, then it will "release" back to the rest state. This exact set of rules is identical for the "Unlock" wires. If you know this, your job, which is much easier is to either read a wiring diagram for your car if you have one, or do a search on the internet where some nice soul has identified the wires you need to hook into on your car. I really hope this helps somebody some day because I hate it when great products fail with poorly written instructions. OK, the last thing... earlier I said that there was one feature that doesn't do what it says. The Horn Honk output is supposed to make the horn honk when you lock and unlock your car. You tie this into the ground side of the coil of the horn relay and it grounds the coil, which should close the horn relay contacts and sound the horn. In reality, when I hit the lock on the remote, the light flash works but the horn doesn't sound even though the doors lock. If I hit it again, this time it sounds the horn. Never the first time, always the second time. Don't know why. No big deal... the lights flash so I can visually see that the doors locked. Most of the time you're right next to the car anyway and can hear the locks activate. That's it folks. Enjoy this product.
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