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looking for "weather eye" bulb alternative

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jl2556 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jl2556 Quote  Post ReplyReply Direct Link To This Post Topic: looking for "weather eye" bulb alternative
    Posted: Oct/17/2017 at 12:04pm
It takes a 1881 per tsm. I don't want to pay $8-$10 shipping for a stupid bulb. Any alternatives that can be found a local parts stores? Can't find a bulb local based on the 1881 part#
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Oct/17/2017 at 12:16pm
Originally posted by jl2556 jl2556 wrote:

It takes a 1881 per tsm. I don't want to pay $8-$10 shipping for a stupid bulb. Any alternatives that can be found a local parts stores? Can't find a bulb local based on the 1881 part#


Wha? Geeze, $8.00 is robbery!

I am sure I have at least one... haven't looked into converting one to LED as of yet. May have time to do a test run with bulb conversion. My existing single high output 16V LED is about the same size as around instrument panel bulb, so fitment can be done without mods.
71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mstrcrftr Quote  Post ReplyReply Direct Link To This Post Posted: Oct/17/2017 at 2:49pm
1816 appears to be the same bulb.. 
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Lyle View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Lyle Quote  Post ReplyReply Direct Link To This Post Posted: Oct/17/2017 at 8:19pm
They are a common BA9S base. Anything of the bulb head size for this base near 4 watts should do. 
1816, 1819, GM157135, 1864 ... some list at $0.44 each
This base fits 6 and 24 volt also so make sure the voltage is correct 14 - 15 VDC
Good hunting.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Oct/19/2017 at 9:31am
I found one of my bags... though each bulb number's luminescence is slightly different than the others.

Example. 1815 is not as bright a 1816, even though they look the same.

Will look for my main bag of bulbs and sort out by giving a lux reading for each bulb number. Will place like bulbs in groups of highest lux reading down to lowest.

71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Oct/20/2017 at 5:10am
All measurements are done at 12v. Higher voltage higher lux reading as well with heat generated.

1816 - 7457 lux
1891 - 4175 lux
1256 (flasher) - 3850 lux (cold) / 2500 lux (flashing)
1815 - 3817 lux
1892 - 1545 lux

T56 - 1849 lux

My huge high output LED is a wee over 10000 lux

Edited by 304-dude - Oct/20/2017 at 5:22am
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Post Options Post Options   Thanks (1) Thanks(1)   Quote farna Quote  Post ReplyReply Direct Link To This Post Posted: Nov/01/2017 at 7:33am
If we only knew the output of the 1881 in lux now we'd be set to make a choice! Testing an old bulb would be okay, though a new one should be a bit brighter. Since most of us have old ones at least we'd know about what to get for the same brightness or how much brighter a replacement to choose.

Just tried to find the specs on the 1881 and came up with this site:
http://www.donsbulbs.com. This only works for older bulbs, not modern/new.
Put the number in the "bulb search", then choose "####USA" to get specs.
The 1881 is 3.72W, 2.2 lumens, BA9s base.
1891 is 3.36W, 2.0 lumens, same base -- a wee bit dimmer, but close to original.
So if you want something brighter the 1815 looks good, but it is 2.8W and 1.4 lumens...  There is a difference between lux and lumens -- so use the watts/lumens for comparison (https://en.wikipedia.org/wiki/Lumen_(unit)).
A Satco SA07838 is 2.59W... doesn't have lumens, but is 14.4V, so should be just a bit brighter than the 1881. https://www.lightbulbs.com/product/satco-07838. You might find it listed as just a 07838 On lightbulbs.com you can put in the base type in the search, but make sure you look at 12-15V bulbs.
Satco 06935 is 3.36W -- probably the brightest I'd go. Wish they had lumens for the Staco bulbs! Found a Satco spec catalog on-line but even it didn't have lumens...
The Eiko 48002 is a good bit brighter at 4W/35 lumens (lightbulbs.com)... probably too bright.

Want an LED bulb? Eiko 81198 is 2 lumens. Superbrightleds.com has a 3 lumen bulb is you want brighter (https://www.superbrightleds.com/moreinfo/ba9s-ba7s/ba9s-led-bulb-1-led-ba9s-retrofit-car/3/15/). Bulb from Superbrightleds is $0.98, shipping $2.29 economy to SC (Superbrightleds is in Missouri). Superbrightleds also has a 2.3 lumen "warm white" bulb that is closest to the original bulb (https://www.superbrightleds.com/moreinfo/ba9s-ba7s/ba9s-led-bulb-1-led-ba9s-retrofit-classic-car-bulb/4/4355/). $1.39 each, but will be a lot closer to the original look. Think I might order some of these, though I do like the brighter white look. The other LEDs are "bright white"

Frank Swygert
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tomj View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tomj Quote  Post ReplyReply Direct Link To This Post Posted: Nov/01/2017 at 11:09pm
OK you may not know that i'm a data packrat :-) here's an ancient Newark or Cramer catalog of miniature lamps, and though the 1881 isn't in it, a lot of them are.

what's the application/position in the panel for the 1881? AMC (and most cars) nearly always used one of two brightnesses (dim, and less dim :-) and either the little round job (glove box, clock, etc) or the longer cylindrical bulb.

if you put a bright one where a dim one was, it looks great! and melts and discolors the little gel, which is already probably ailing.

that said, match up the bulb and base style (miniature bayonet or slide base) and one that's the similar brightness.

or, check another year TSM to see what more modern lamp was used. i think 1881 is simpyl obsolete and 1892 or something replaces it.
1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5
http://www.ramblerLore.com

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Post Options Post Options   Thanks (0) Thanks(0)   Quote tomj Quote  Post ReplyReply Direct Link To This Post Posted: Nov/01/2017 at 11:12pm
Originally posted by 304-dude 304-dude wrote:

All measurements are done at 12v. Higher voltage higher lux reading as well with heat generated.

1816 - 7457 lux
1891 - 4175 lux
1256 (flasher) - 3850 lux (cold) / 2500 lux (flashing)
1815 - 3817 lux
1892 - 1545 lux

T56 - 1849 lux

My huge high output LED is a wee over 10000 lux

lux! you must be some sort of free-thinking anarchist!

lol, rambler lamps are measured in candles, as was fashion at the time, like wearing an onion on your belt.

i dont know what an "LED" is, but you;ve been led astray!

1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5
http://www.ramblerLore.com

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: Nov/02/2017 at 4:24am
Originally posted by tomj tomj wrote:


Originally posted by 304-dude 304-dude wrote:

All measurements are done at 12v. Higher voltage higher lux reading as well with heat generated.

1816 - 7457 lux
1891 - 4175 lux
1256 (flasher) - 3850 lux (cold) / 2500 lux (flashing)
1815 - 3817 lux
1892 - 1545 lux

T56 - 1849 lux

My huge high output LED is a wee over 10000 lux


lux! you must be some sort of free-thinking anarchist!

lol, rambler lamps are measured in candles, as was fashion at the time, like wearing an onion on your belt.

i dont know what an "LED" is, but you;ve been led astray!



Ha! LED, light emitting diode. I read your led astray as... led ashtray. Ha! Maybe I will. Hehehehehehehehehe!

About lux, my app for photography, well to match colors with ambient lighting, comes in handy when seeing light differences in bulbs.

You can convert using a conversion table or I could run my test again using another method, but still will need a conversion table.

I did note my readings are with a 12V battery connection. Which is mid range, so at 14.6v the brightness goes up quite a bit. As another reply states, with brighter bulbs comes more heat, and may melt your plastics. On my car, there are plastic lens surrounds (which are very close to the bulb) at the overly for lights, wipers, turn signals... etc. I would not go with a lamp other than what is given in the manual for direct replacement or a direct fit equivalent.

As for LED being given as brightest for reference, well it is an ultra bright white. So you have an idea of how far one can go on intensity along the range of bulbs, for a given voltage. I could have done a test at 14.6v but the blasted LED is like camera flash bright (and a bit focused), so I'd be blinding myself for a few minutes during setup. Ha!
71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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