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Hood alarm switch- how have you done it?


Simeon

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Just planning the installation of a car alarm, mainly for the benefit of remote door locking and I am wondering how people have arranged a hood contact to detect opening of the hood?

I am thinking about a pin switch on the flat area that covers the heater plenum but looking for any other neat and reliable suggestions.

Thanks

Simeon

rtheriaque wrote:

Carbs: They're necessary and barely controlled fuel leaks that sometimes match the air passing through them.

My build blog:http://www.bmw2002faq.com/blog/163-simeons-blog/

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Place it in the least obtrusive location. If your car is a standard that's theft deterrent. To open the hood one would need to break into the car.

Andrew Wilson
Vern- 1973 2002tii, https://www.bmw2002faq.com/blogs/blog/304-andrew-wilsons-vern-restoration/ 
Veronika- 1968 1600 Cabriolet, Athena- 1973 3.0 CSi,  Rodney- 1988 M5, The M3- 1997 M3,

The Unicorn- 2007 X3, Julia- 2007 Z4 Coupe, Ophelia- 2014 X3, Herman- 1914 KisselKar 4-40

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 To open the hood one would need to break into the car.

yes.  I would not even bother with a hood switch.  the thieves have already set off the alarm when they broke into the car to open the latch.

 

thieves are not going to take the time to pull the grills off, unscrew the 6 bolts on the hinges, and pry the hood off from the front.  heck, if they get that far the hood hinge mechanism will stop them from opening further.  a whole group of us that were familiar with 02's tried to open a stuck 02 hood this way once.  it was painful and took a long time...and we had access to the inside of the car to boot.

Edited by mlytle

2xM3

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I welded mine closed.  That solved THAT problem.

 

But yes, I've seen parts cars with pin switches on the flat of the top of the fender...

 

... and likewise in back.  But it leaked in back, because your average pin switch is not waterproof

 

t

"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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I did debate the usefulness of a hood contact and I imagine that the trunk is easier broken into with a crowbar. Of course, by that time they would have caused several thousand dollars worth of damage to find the crap in my boot worth nothing. Alarm won't stop that unless they are deterred by the stickers and flashing LEDs.

rtheriaque wrote:

Carbs: They're necessary and barely controlled fuel leaks that sometimes match the air passing through them.

My build blog:http://www.bmw2002faq.com/blog/163-simeons-blog/

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