Re: Help! How to deactivate car alarm?

[Matt Ion <soundy@xxxxxxxxxxxxxxx>]

mixedsig@xxxxxxxxx wrote:
> I disconnected the battery for a couple of weeks to do some repair work
> on my truck. When I reconnected battery after the repair was done, I
> found an alarm system was activated. It's preventing me from starting
> the engine. I didn't even know the truck was equipped with an alarm
> system before the incidence. The previous owner probably deactivated it
> when he sold the truck to me. I don't have the remote and alarm
> manual. I am wondering if there is a way to deactivate the alarm again.
> The alarm is an after-market device. I have no idea about the wiring on
> it. If you know how to fix this issue or where I can find help, please
> let me know. Thank you!

Now that the class clowns have had their say...

Many car alams use a starter- or ignition-disable relay, which is simply
a relay inserted in the starter or ignition lead and activated by the
alarm.  If it's an aftermarket alarm, this should be fairly easy to
trace as the relay will usually be under the dash near the bottom of the
steering column, in one of the larest wires you'll see.  Once you find
it, remove it and splice the wires back together, OR... leave it in, and
simply replace that alarm brain with a new one that you DO have the
remote for, making use of the existing starter kill and other installed
features.  Any decent alarm installer should have no problem tracking
down the existing system.


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