[Chrysler300] Courtesy light bulbs? Fire by wire.

["Rich Barber" <c300@xxxxxxx>]

Digging around, I found some bulb spec’s.  The 90 bulb is a round-head bulb, single filament double contact rated at 0.58 Amp, 7.54 Watt, 6 candlepower.  The 1004 bulb is also single filament double contact rated at 0.938 Amp, has a slightly elongated bulb and is rated at 12 Watts, 15 candlepower.  More Amps=more Watts=more candlepower= more heat.

 

Chrysler had to deal with the materials they had and probably put a little hotter bulb in some applications in order to shed more light without primary concern over cooking the ivory plastic lenses.  Like with the starter, the normal lights on period would be short as doors are opened and closed.  For preservation of the lens sake, the 90 would be the better choice in dome and courtesy lamp applications, even though the original equipment may have been 1004’s.  Alignment of the bulb and socket are also important as if the bulb touches the plastic lens, all bets are off.

 

LED bulbs are increasingly available and would provide more light with less heat.

 

Onward and upward.

 

Rich Barber

 

From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Ron Waters
Sent: Saturday, January 05, 2013 6:54 AM
To: Chrysler300@xxxxxxxxxxxxxxx
Subject: Re: [Chrysler300] Courtesy light bulbs?

 

  

I would advise against using the 1004 for either the roof rail lights (2dr 
HT, 4dr HT), or the courtesy lights. Brighter bulb means more heat, which 
will discolor or melt the lens if left on for too long. That's what those 
brown spots are that you see on used lenses, BTW.

Ron

----- Original Message ----- 
From: "Ronald Kurtz" mark6268@xxxxxxxxxxxxx <mailto:mark6268%40sbcglobal.net> >
To: "George McKovich" george@xxxxxxxxxxxx <mailto:george%40mckovich.com> >; "Intl 300" 
Chrysler300@xxxxxxxxxxxxxxx <mailto:Chrysler300%40yahoogroups.com> >
Sent: Friday, January 04, 2013 7:42 PM
Subject: Re: [Chrysler300] Courtesy light bulbs?

Hi, George:

According to the service manuals for '58 and '59, #1004 is somewhat brighter
than the #90. In the '59, the 1004 is used for the dome light and the map 
light,
while the #90 is used for the hand brake warning light. No specs are given 
for
the rear courtesy lights on the convertible model. It appears to me the 
choice
is the 1004 bulb.

Best,
Ron Kurtz
E #292

________________________________
From: George McKovich george@xxxxxxxxxxxx <mailto:george%40mckovich.com> >
To: Intl 300 Chrysler300@xxxxxxxxxxxxxxx <mailto:Chrysler300%40yahoogroups.com> >
Sent: Fri, January 4, 2013 6:42:31 PM
Subject: [Chrysler300] Courtesy light bulbs?

Happy New Year... Does anyone know the correct light bulb for the REAR 
courtesy
lights on a 57-59 300 convertible?? Any help would be appreciated.

Thanks
George

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