preon p2 works with no tail cap installed?

american

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Mar 17, 2010
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782
new four sevens preon 2 it will light up with 2 batteries in and no tail cap at all if i tap it or shake it any ideas? somehow its completing a circuit with the tail even installed. i seem to be having the erratic problems typical of these lights with the click switch. but i noticed it does this. this is the black model with the titanium tail and head matte finish. are these two problems related?
 

Yamabushi

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Apr 16, 2012
Messages
761
Location
Canada
On some AAA batteries, the wrapper does not quite go all the way to the negative end. The exposed metal can touch the internal threads at the tail.

EDIT: The click switch problem is usually fixed by tightening the retainer ring but one of my Preon 2s had a bad switch. It would only operate if I loosened the retaining ring. 4Sevens sent me a free replacement on warranty.
 
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american

Enlightened
Joined
Mar 17, 2010
Messages
782
would the battery problem give me any connection problem? i took the reatining rings and all the switch things out and cleaned the contacs with alcohol and it seems to work now im thinking the switch wasnt seated all the way down.
 

jorn

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Nov 8, 2008
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2,499
Location
Norway
If it worked with no tailcap, then your batteries are the problem.
 

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