hood safety latch lock
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=113609
Printed Date: May 15, 2025 at 5:19 PM
Topic: hood safety latch lock
Posted By: number2
Subject: hood safety latch lock
Date Posted: May 05, 2009 at 10:08 AM
Has anyone rigged up a simple solenoid that will lock the hood safety latch in place when the alarm is triggered?
Replies:
Posted By: Big Dog
Date Posted: May 05, 2009 at 3:25 PM
I suggest a mechanical hood lock. Directed Electronics had one years ago but still might be available 565T or 566T or 567T. It had a T handle inside the vehicle with a key lock. Electronic hood lock can fail or will not unlatch with a dead battery (and guess where the battery is).
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Prepare your future. It wasn't the lack of stones that killed the stone age.
Posted By: number2
Date Posted: May 05, 2009 at 3:40 PM
I was thinking of something a bit more simple. Just a solenoid that pushes a rod through a hole or just against the latch and retracts with with no power.
Posted By: Big Dog
Date Posted: May 05, 2009 at 3:53 PM
number2 wrote:
a solenoid that pushes a rod through a hole or just against the latch and retracts with with no power.
A solenoid without power might be a challenge to find. ------------- Prepare your future. It wasn't the lack of stones that killed the stone age.
Posted By: number2
Date Posted: May 05, 2009 at 4:15 PM
Big Dog wrote:
A solenoid without power might be a challenge to find.
push-type, spring-return solenoid.
Posted By: sti05
Date Posted: May 05, 2009 at 4:24 PM
That being the case, it would be drawing power the whole time your system was armed. You would find yourself with a dead battery all the time.
Posted By: number2
Date Posted: May 05, 2009 at 4:39 PM
Is there a way to have it activated only when the alarm is triggered??
Posted By: sti05
Date Posted: May 05, 2009 at 5:43 PM
Well, what if the alarm was triggered because the hood opened? Honestly if someone really wants to get under your hood, they could easily cut the wires to such a device. Whats under your hood your so worried about anyway?
Posted By: number2
Date Posted: May 05, 2009 at 9:37 PM
sti05] wrote:
Whats under your hood your so worried about anyway?
Really? What good is an alarm if someone can disable the siren in a few short seconds. I was thinking this could be an altertantive to a backup battery. Plus it could throw someone off their corse of action if they end up frustrated because they can't get the safety latch to move.
Posted By: sti05
Date Posted: May 06, 2009 at 1:38 AM
I guess, just it seems more trouble than it's worth. By all means try it. Id like to see how you make it work.
Posted By: KPierson
Date Posted: May 06, 2009 at 7:22 AM
You should be able to run the solenoid off the siren output. It may be beneficial to include a short time delay (you will need a relay to drive the solenoid anyway). That way it won't energize when the system chirps. ------------- Kevin Pierson
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