[DeTomaso] LIGHT BULB PART NUMBERS NEEDED

davidabell at att.net davidabell at att.net
Sat Jun 2 15:51:03 EDT 2007


Dave,

That's great information.  I assume the resistor could just be placed in series with the existing dimmer reostat.  Any idea what value resistor would be needed to dim the LED bulbs?

--
Dave Bell


-------------- Original message ----------------------
From: Dave Doddek <pantera at pobox.com>
>
> Leds will respond to various voltages and dim just like a regular bulb.
> This is actually how those big screens work at the ball park.  They are
> giant LED tv displays.
> 
> The problem with leds in a car is not the led, but the dimmer.  Dimmers
> depend on the current of the bulbs to reduce the voltage though a small
> resistance.  Hook up only one bulb in your dash and it wont dim either.
> Leds draw such a small amount of current the dimmer does not make a
> difference.  You could dim them with a higher value resistor that you could
> buy from someone like Newark.
> 
> Dave "electrical guy" D
> 
> At 10:24 PM 6/1/2007 +0000, you wrote:
> >The stock dimmer switch does not work with LED instrument light bulbs.
> Well, actually it turns the LEDs either totally on or off, but doesn't dim
> the output light.  LED's are basically digital devices so an analog voltage
> reostat doesn't really do anything to the brightness of an LED.  I've heard
> that there are digital gizmos that will dim LED bulbs but haven't actually
> tried one yet.  To my eye, the LED instrument lights aren't so bright that
> they need dimming but are significantly brighter than stock (probably
> similar light output to a 5 watt or maybe even an 8 watt incandescent bulb).  
> >
> >I have before and after photos of the tail light LED bulbs (mucho
> brighter), but forgot to do the same thing with the instrument bulbs.  Oops.
> >
> >--
> >Dave Bell
> >
> >
> >-------------- Original message ----------------------
> >From: <cengles at cox.net>
> >>
> >> 
> >> Dear Chris,
> >> 
> >> I vaguely recall something about that, but I certainly can't say. The
> Space City 
> >> Pantera kit makes no mention of that, however.
> >> 
> >> Warmest regards, Chuck Engles
> >> 
> >> 
> >> ---- Christopher Kimball <chrisvkimball at msn.com> wrote:
> >> >Didn't I read that if you use LEDs the dash dimmer doesn't work?
> >> >
> >> >Thanks,
> >> >
> >> >Chris K.
> >> >
> >> >
> >> >>From: <cengles at cox.net>
> >> >>To: Chris Lewis <clewis at dancemusic.net>
> >> >>CC: detomaso at realbig.com
> >> >>Subject: Re: [DeTomaso] LIGHT BULB PART NUMBERS NEEDED
> >> >>Date: Fri, 1 Jun 2007 12:45:02 -0400
> >> >>
> >> >>
> >> >>Dear Chris,
> >> >>
> >> >>I would suggest that you contact Dave Bell or John Taphorn. The Space
> City
> >> >>Panteras have come up with a complete Pantera LED light bulb set that
> >> >>addresses all of your needs. I got mine in the mail yesterday and it has
> >> >>(important for me....) well written directions to replace all of the
> >> >>external lights plus the tach and speedo. Cost $200 plus $5 shipping.
> A bit
> >> >>pricey, but with the advantages of: already field tested by the Space
> City
> >> >>Pantera Technology Team; "lifetime" bulbs; higher lumen output---brighter
> >> >>for those SUVs behind you; less current draw on the electrical system;
> all
> >> >>in one set and you don't have to go through dozens of different LEDs for
> >> >>the optimal replacement for the Pantera. I looked into LEDs earlier
> and in
> >> >>my opinion this kit is pretty darn cost effective.
> >> >>
> >> >>Warmest regards, Chuck Engles
> >> >>
> >> >>
> >> >>
> >> >>---- Chris Lewis <clewis at dancemusic.net> wrote:
> >> >>>I need light bulb part numbers for:
> >> >>>
> >> >>>REAR TAIL LIGHT ASSEMBLIES
> >> >>>
> >> >>>TACH & SPEEDO GAUGES
> >> >>>
> >> >>>AND IF POSSIBLE BRIGHTER THAN STOCK ALTERNATIVES.
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