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bonnet light switch
https://forums.tipec.net/viewtopic.php?f=25&t=20716
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Author:  flt505 [ Sun Dec 13, 2015 9:46 pm ]
Post subject:  bonnet light switch

Hi Folks -

OK - side lights on - bonnet light on - close bonnet slowly, very closed - light goes off! Where is that little trigger switch!!??
Anybody know? Just an enquirer...

Dave
CT

Author:  russmw [ Sun Dec 13, 2015 10:24 pm ]
Post subject:  Re: bonnet light switch

From memory I don't think there is a physical switch but its a small mercury switch within the bulb housing that switches it on/off.

Simple bit of engineering!

Author:  fire3500 [ Fri Dec 25, 2015 7:44 pm ]
Post subject:  Re: bonnet light switch

russmw wrote:
From memory I don't think there is a physical switch but its a small mercury switch within the bulb housing that switches it on/off.

Simple bit of engineering!


This, and the contacts fur up... it's a beautiful bit of engineering, like the fact the door windows work with the doors open. :wink:

You don't get that kind of simple genius on a modern one!

Author:  flt505 [ Sat Dec 26, 2015 6:22 pm ]
Post subject:  Re: bonnet light switch

Mercury?!!

You sure? I have my doubts about even Porsche using this lethal substance in car manufacturing! That means that every 944 in an accident or scrapped is a toxic health hazard? Where's Clarkson??

Dave
CT

Author:  gothatway [ Sat Dec 26, 2015 8:16 pm ]
Post subject:  Re: bonnet light switch

Also used for the boot light in Jaguar 420s and presumably S-types. Rarely worked for long.

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