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automotive LED "replacement" bulbs are P.I.T.A.

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elektroda.net NewsGroups Forum Index - Electronics AUS - automotive LED "replacement" bulbs are P.I.T.A.


Guest

Thu Mar 15, 2018 12:45 pm   



All the T10 wedge bulbs that I have bought (from different vendors) have
been non-polarised, so they work first time.
Now anything smaller, such as B8.5D or T4 is polarised, so they only work
one way. And for some of the applications, you don't know until almost
everything is put back together. And they don't seem to have any markings
to say which side is positive or negative.
None of the pricks selling you these things tell you that they are
polarised.

Computer Nerd Kev
Guest

Thu Mar 15, 2018 11:45 pm   



bruce56_at_topmail.co.nz wrote:
Quote:
All the T10 wedge bulbs that I have bought (from different vendors) have
been non-polarised, so they work first time.
Now anything smaller, such as B8.5D or T4 is polarised, so they only work
one way. And for some of the applications, you don't know until almost
everything is put back together. And they don't seem to have any markings
to say which side is positive or negative.
None of the pricks selling you these things tell you that they are
polarised.


True they should mention it, but with a couple of clip leads connected
to a 12V battery or power supply you should be able to figure out which
way 'round works, and put your own markings on before you put things
together.

--
__ __
#_ < |\| |< _#

~misfit~
Guest

Fri Mar 16, 2018 10:45 am   



Once upon a time on usenet bruce56_at_topmail.co.nz wrote:
Quote:
All the T10 wedge bulbs that I have bought (from different vendors)
have been non-polarised, so they work first time.
Now anything smaller, such as B8.5D or T4 is polarised, so they only
work one way. And for some of the applications, you don't know until
almost everything is put back together. And they don't seem to have
any markings to say which side is positive or negative.
None of the pricks selling you these things tell you that they are
polarised.


Yeah it's a PITA alright. When I replaced all of my dashboard lamps with
LEDs I tested them first and used a red sharpie to mark the positive side.
--
Shaun.

"Humans will have advanced a long, long way when religious belief has a cozy
little classification in the DSM*."
David Melville (in r.a.s.f1)
(*Diagnostic and Statistical Manual of Mental Disorders)

felix
Guest

Sun Apr 01, 2018 1:45 am   



On 16/03/2018 8:57 AM, Computer Nerd Kev wrote:
Quote:
bruce56_at_topmail.co.nz wrote:
All the T10 wedge bulbs that I have bought (from different vendors) have
been non-polarised, so they work first time.
Now anything smaller, such as B8.5D or T4 is polarised, so they only work
one way. And for some of the applications, you don't know until almost
everything is put back together. And they don't seem to have any markings
to say which side is positive or negative.
None of the pricks selling you these things tell you that they are
polarised.
True they should mention it, but with a couple of clip leads connected
to a 12V battery or power supply you should be able to figure out which
way 'round works, and put your own markings on before you put things
together.


that should be obvious

--
"memento mori, memento vivere"

Computer Nerd Kev
Guest

Sun Apr 01, 2018 11:45 pm   



felix <felix_at_real_felix.invalid> wrote:
Quote:
On 16/03/2018 8:57 AM, Computer Nerd Kev wrote:
bruce56_at_topmail.co.nz wrote:
All the T10 wedge bulbs that I have bought (from different vendors) have
been non-polarised, so they work first time.
Now anything smaller, such as B8.5D or T4 is polarised, so they only work
one way. And for some of the applications, you don't know until almost
everything is put back together. And they don't seem to have any markings
to say which side is positive or negative.
None of the pricks selling you these things tell you that they are
polarised.
True they should mention it, but with a couple of clip leads connected
to a 12V battery or power supply you should be able to figure out which
way 'round works, and put your own markings on before you put things
together.

that should be obvious


Probably not to many people who would consider changing a blown bulb to
be the crowning glory of their mechanical independence.

--
__ __
#_ < |\| |< _#

Computer Nerd Kev
Guest

Sun Apr 01, 2018 11:45 pm   



Computer Nerd Kev <not_at_telling.you.invalid> wrote:
Quote:
felix <felix_at_real_felix.invalid> wrote:
On 16/03/2018 8:57 AM, Computer Nerd Kev wrote:
bruce56_at_topmail.co.nz wrote:
All the T10 wedge bulbs that I have bought (from different vendors) have
been non-polarised, so they work first time.
Now anything smaller, such as B8.5D or T4 is polarised, so they only work
one way. And for some of the applications, you don't know until almost
everything is put back together. And they don't seem to have any markings
to say which side is positive or negative.
None of the pricks selling you these things tell you that they are
polarised.
True they should mention it, but with a couple of clip leads connected
to a 12V battery or power supply you should be able to figure out which
way 'round works, and put your own markings on before you put things
together.

that should be obvious

Probably not to many people who would consider changing a blown bulb to
be the crowning glory of their mechanical independence.


Not that I have reason to believe that's the case with the OP, he adds
hastily.

--
__ __
#_ < |\| |< _#

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