[TR] Continuing brake light bulb failure

[Chip19474 at aol.com]

Craig,
 
Are you saying that every time you replace the bulb, it works for a  few 
times when the brakes are applied then the bulb actually fails?  When  this 
happens, does the bulb work at all i.e., would it light if you ran a pair  of test 
leads from the battery to the bulb by itself?
 
A couple of thoughts come to mind....If each replacement bulb really does  
fail then I would suspect the bulbs you're using.  Is it possible that  you're 
using 6 volt bulbs?  If you're taking the replacement bulbs out  of a package 
of several bulbs, try using another one of  those bulbs on the other side 
(brake light) as a replacement just as a  test or, better yet, take the battery 
test leads and see how long one the  package bulbs will stay lit from direct 
battery voltage. 
 
Weird things can happen from defective bulbs.  Some of the more common  are a 
tailight becoming very bright on one side when the brakes are applied or  one 
brake light turning off when the brakes are applied but to consistently  burn 
out a 12 volt filament bulb with 12 volts (or even 13.5 to 14.5 volts  if the 
alternator is charging) seems to point to defective  bulbs.
 
Good luck...keep us updated on what you find!
 
Chip Krout
Delaware Valley Triumphs, Ltd.
Skippack, PA
1976 TR6  CF57822U
 
 
In a message dated 8/29/2008 7:49:37 A.M. Eastern Daylight Time,  
thenicholls at verizon.net writes:

I am  having an issue where everything back there 
works, then the bulb fails  when the brake is applied.




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