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APC 7443 LED's don't work!

 
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Old Dec 22, 2002
  #1  
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APC 7443 LED's don't work!

Here's what I wrote to the company, after neither bulb lit up, leading to me getting my multitester out to diagnose the problem....

"There are 4 leads total coming into the
bulb apparatus, with 2 going to the same place on the circuit board, and the
other 2 going to individual resistors. The latter 2 are the leads that concern
me. They each have a resistor or two and are then connected to either the LED
ring or the middle LED. However, they are also soldered together (in both the
bulbs I bought). When I covered up one lead with electrical tape and plugged
it in, the parking light in the middle would work. When I covered up the other
lead, the outer ring would work when I turned the turn signal on. However,
having both leads exposed (connected to the harness) would seem to me to cause
a short.

When I plugged it in with all leads attached, it got warm (and no LED's lit
up). After a while, the first resistor going to the middle LED burned up
(turned brown). This is because of the short after the resistor, correct?

I believe this was put here to keep the resistance up when the turn signal is
on, so that the flasher won't flash very quickly.

I confirmed the resistor was blown as I tested the circuit with a multimeter
and it indicated an infinite load (open circuit). I tested the good bulb (with
the unblown resistor) and got an ohm load."

What could be the problem? Other people on the forum said these work fine.
Old Dec 22, 2002
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Old Dec 22, 2002
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why did you double post this?

here is your answer.......AGAIN


Old Dec 22, 2002
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Quote
[hr]Originally posted by: FlyRiceRacer02
why did you double post this?

here is your answer.......AGAIN

[hr]
Please do not double post. The thread in the Other Parts and Products forum should stay. This one should not.
 
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