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back up bulb type

Posted: Thu Jan 24, 2008 7:29 pm
by delica 304
I want to replace my back up bulbs with LED's, but I can't identify the part number. Does anybody know what it is off hand? Is it an 1156 or 1157?
Thanks

Re: back up bulb type

Posted: Thu Jan 31, 2008 11:33 am
by Erebus
It should be 1157, single filament. 1156es are dual filaments, for both taillight and brakelight. 1157s are bright for brakelight (or backup) only.

Re: back up bulb type

Posted: Fri Feb 01, 2008 8:15 am
by EricN
Ruminante wrote:It should be 1157, single filament. 1156es are dual filaments, for both taillight and brakelight. 1157s are bright for brakelight (or backup) only.
You got it backwards. 1157 is dual, 1156 single. I have no idea what the Deli uses.

Re: back up bulb type

Posted: Fri Feb 01, 2008 9:03 am
by delica 304
it is a single filament for the reverse bulb, so it would be an 1156. This is what I am looking at:

http://www.superbrightleds.com/specs/1156-xLX5.htm

Re: back up bulb type

Posted: Fri Feb 01, 2008 10:42 am
by sasquatch-hunter
Actually I went to Lordco the other day and saw some 1156/1157 "360 degree LED". They are expensive though, @ $16 buck a pop.

Re: back up bulb type

Posted: Fri Feb 01, 2008 10:51 am
by delica 304
Cheaper than $30.00 from Superbright LEDS, I think I may be going to Lordco today

Re: back up bulb type

Posted: Sat Feb 02, 2008 8:39 am
by Erebus
EricN wrote:You got it backwards. 1157 is dual, 1156 single.
Well, we WERE talking about backup lights :-D That's my excuse and I'm sticking to it.

BTW, for my daytime running lights I'm using 1157 LEDs and the "bright" filament isn't bright enough to be useful as a backup light. Green1's LEDs are better but still no great shakes.