Re: Auto Display Lamps?



harold balls wrote: 
Hey folks,
                 My car (99 cutless) has display lamps out. They are
in the Fan speed , hot/cold and air direction switches module below
the radio. When its dark have the display doesn't light up.  I took it
apart and found four little lamps with a blue piece of plastic over
the lamp, soldered to a circuit board. Only one of the four lamps was
working. Is it feasible to solder in new lamps and if yes, where could
I find these lamps?  thanks for any help!!


First, you have to ID the type of lamps. If there absolutely not
socketed in some form, you probably have a fuse type or
a grain of wheat type. The fuse type look like a automotive fuse
with a metal cap on both ends. The grain of wheat have small lead wires
(some insulated, some not) coming out of one end of the glass bulb
directly. The grain of what bulbs come in different sizes, voltages and
current ratings. I assume your bulbs are 12 volts, but sometimes you
can find two 6 volt in series in some applications.
You might try looking at MCM electronics.

Some suggested solid state replacements. The problem there is a straight LED runs on 2 to 3 volts or so and would need a dropping resistor to
be used in this application. Impossible? NO. But you would have to have
someone who really knew what they were doing to pull it off.

Depending on the size, you may find some small socketed bulbs used for
dash/IP lights and pull the leads straight and try to solder them in.
This will only work for the type of bulb that does not use a metal socket and as the wires on wither side of the glass base.
Poke around a well equipped auto supply house and see what types
they got.

Bob

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