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Bonnet (hood!) switch and Boot (trunk!) switch.


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Hi, I'm after a little inspiration... 


I'm installing an alarm/immobiliser and want to fit a bonnet (hood) and boot (trunk) switch. Before i go and figure it out for myself, I was wondering if anybody had a good solution already? 


Pics please! 





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This isn't an advertisement, but the automatic opener kit that I sell has a switch included.  The photo might give you an idea.  The grey metal frame mounts on the latch screws, no holes to drill.


I have no experience with the hood, but would expect that a switch could be vertically mounted somewhere under hood in front of the windshield pretty easily, hitting on some part of the hood when closed.  Note that there is not much room fore and aft in this area where a vertical switch will contact the lid, but it works...

opener with light on.JPG

Edited by calw
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The bonnet switch can be mounted up through the centre plate over the heater air intake plenum where the centre catch is.  


I haven't got any pictures but that is where I was going to put mine before being put off.

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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Good ideas - I've got a plan for the trunk switch inspired by Calw's bracket. The hood switch is on a short fly lead from the alarm siren - so I could mount that under the centre plate, and the switch nearby.


Thanks guys!



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I mounted mine for the hood directly in the center underneath the bumper. I had to drill a hole in the bumper so the plunger for the alarm switch contact the second layer of the bumper. When I first installed it the alarm switch base was too thick and it held the hood up a bit making it hard to latch and it was bending the catch. I can post some pics later.

Andre B.

1971 BMW 2002

Wanna-be racer, too stiff for the street...

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