How To/Tips: For those with Remote Start Alarms

KevShek · Nova Slayer Joined: 08 Oct 2006 Karma :

Following on from my other thread, ive decided to post up a couple of tips for those with remote start alarms.

My system consists of the following model purchased from Ebay.
https://i71.photobucket.com/albums/i132/kevshek/bike/ab_1_b.jpghttps://i71.photobucket.com/albums/i132/kevshek/bike/be_1.jpg

Upon testing, i discovered 2 possible drawbacks with these systems or system like mine.

1) After remotely starting the bike, there is no way the alarm system knows when to shut down meaning that the bike can be ridden away without the keys. This i have tried and should be prevented.

2) It is possible that the alarm system could try to start the bike when its invertantly left in gear. This wont happen on most electric start bikes as there will be OE safety measures in place. If however yours does, this should be prevented also.

To combat both the above problems, i have devised 2 simple circuits using automotive 12 volt relays.

1)
https://i71.photobucket.com/albums/i132/kevshek/bike/RemotStartCutOut.jpg
The above circuit works by using the EARTH provided by the Ignition OFF position (ie. No Keys) and Live from the brake light, thus switching the relay feeding an earth to shut down the engine. If either brake lever or pedal is used, when there is NO KEY in the ON position, the bike will shut down. If a key is present and in the ON position, the circuit becomes dormant.

2)
https://i71.photobucket.com/albums/i132/kevshek/bike/RemoteStartNeutral.jpg
The circuit above works by interupting the remote start wire connected to the bike. If the NEUTRAL light live is not provided, the relay will not activate to allow the remote start to pass, therefore, it will not start if in gear.

Hope this helps.
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YZF R125

Ichy · World Chat Champion Joined: 15 Jul 2005 Karma :

Still hungover from last night but I'm really confused now

You need the key to be in the on position to remote start the bike? Or is it that once remote started you will kill the bike the first time you use your brakes?

As explained earlier, on the cheap chinese alarms I've fitted arming the alarm turns the ignition off, even on the Kawasaki's which don't have a ignition off wire (they don't use the grey). The way they are designed, I think they call it anti-hijack, if you arm the alarm with the key in the on position it still turns the ignition off. Disarming the alarm resets it all.
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KevShek · Nova Slayer Joined: 08 Oct 2006 Karma :

a major part of the problem is that the english instructions are crap, really bad translation, but from what ive learnt wiring and operating mine you can: ignore the keys for a moment,

start the bike when alarm is armed, and ride off on the bike.

start the bike when alarm is not armed, and ride off on the bike.

either way, you dont want to ride off on the bike with no keys, especially if it isnt you!

circuit 1 just makes sure that in the event of no key in the ignition, the bike has a secure way to shut down the engine while on remote start.

you mention earlier something about the bike being x amount away from the fob and cutting out, what did you mean by that, cos there nothing in the crap instructions.
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YZF R125

Ichy · World Chat Champion Joined: 15 Jul 2005 Karma :

KevShek · Nova Slayer Joined: 08 Oct 2006 Karma :

Ichy · World Chat Champion Joined: 15 Jul 2005 Karma :

I think the problem here is that you are considering a practical use for remote start, warming up the bike. You wouldn't start your bike with the keys then walk back inside while it warms up so why would you do it remotely? I now understand that you deliberately want the bike to die when you press the brake.

Does the immobiliser still work? Can you start the bike with the key with the alarm on? If it works properly then when someone forces the ignition with a screwdriver it shouldn't start.

The main purpose for remote start is the gadget factor. To be able to walk up to the bike and start it from 20 feet away while people are watching. Some custom or show bikes have it so that they don't have to fit an ignition barrel.
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KevShek · Nova Slayer Joined: 08 Oct 2006 Karma :

Warming up yeah, that what i would use it for. We all know is not good to rag or ride the bike hard from cold, so while getting on my gear, i could have the bike warming up safely and securely. I do understand the trick/show off bit, have done that myself, but i got bored. Even with the car, i do use it to warm the thing up especially with the coming weather.

When the alarm is armed, the immobilser does still work, that was one of the things i also tested. If you try to start the bike, all hell breaks loose, siren goes, light flash, you can crank the bike using the start button, but it will simply not fire up (i do know the reason why but i wont say - its giving too much info away)

But like ive said in the first post, neither circuit will interfere with the alarm in any way. They only become active in the event of each power supply being given at any one moment. They are safe to use in conjunction with the alarms is you suffer from either problem.
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YZF R125