1157 LED bulbs


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702scottc
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1157 LED bulbs

Postby 702scottc » Sun Jul 17, 2016 11:57 pm



I bought a set of 1157 LED bulbs from Amazon to upgrade the rear brake lights and can't get these things to work in either socket. They seem to be making good contact on the bottoms of each bulb where the contacts are but won't work unless you move the bulb around a bit. I thought the ground might be loose but all that seems fine. The standard bulbs work just fine and the sockets are in good condition. Anyone run into this issue? According to the seller info these ground thru the side of the bulb the same as a standard and they do work if you fiddle with them.



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Charlie1Horse
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Re: 1157 LED bulbs

Postby Charlie1Horse » Mon Jul 18, 2016 12:43 am

Sounds like a bad connection in the socket. If the standard bulb works properly try (with the power off) pulling the wires through the socket till you can access the spring under the connectors and then carefully stretch the spring about 1/8 to 1/4 inch longer which will cause a better connection on the bulb. Since these lights are always on the heat will sometimes make the springs loose a little of their tension.
Russell

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dingdong
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Re: 1157 LED bulbs

Postby dingdong » Mon Jul 18, 2016 7:13 am

When I last bought LED bulbs the contact points (which are solder points) were much shorter than the original. I had to re-solder the contacts so that they were taller in order for them to make good contact with the socket. Compare the old with the new. Just a thought.
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NVSB4
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Re: 1157 LED bulbs

Postby NVSB4 » Mon Jul 18, 2016 7:55 am

I hate to say it, but if you got them off Amazon, you may just have cheap bulbs.
Go get a set from Walmart to see if they work.
If they do, return your Amazon bulbs.
If not, return the Walmart bulbs and work on the sockets.
I got the SoCal bulbs from Cyclemax. They were $20 each, but are much brighter than one that I had tried from Walmart.
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Re: 1157 LED bulbs

Postby FM-USA » Mon Jul 18, 2016 8:19 am

Another thing to try.
Take some 120 to 320 grit sandpaper and scuff up the base contacts and to the bulbs contacts.
BUT do them separately to know which if either is the culprit.

HINT/SUGGESTION:
I have copper based Anti-Seize and use just a touch on electrical contacts to thwart corrosion.
Had one fuse box connector giving me fits, did this and so far (1 year) it's still working fine.
Folded over a small piece of 150 grit paper and inserted a couple times it in the female elec. connector. Used a needle nose pliers to tighten it up also. ;)

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raven41951
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Re: 1157 LED bulbs

Postby raven41951 » Mon Jul 18, 2016 11:35 am

I wanted to be sure before I went all in so I ordered these from Amazon: 2 of S&D 2 X Car Lights BAY15D 1157 12 SMD Cree XPE Lamp LED Auto Tail Brake Bulbs 12V Red.

I did a direct swap and they work fine with no mods. The reason I wanted them is now that I have a reduced load on the alternator/battery, when applying the brakes at idle, I no longer experience the rpm loss from the load the incandescent bulbs (versus the LEDs) put on the power system.

I made sure I got the Cree bulbs which are one of the better manufacturers.

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Bluewaterhooker0
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Re: 1157 LED bulbs

Postby Bluewaterhooker0 » Mon Jul 18, 2016 4:56 pm

dingdong wrote:When I last bought LED bulbs the contact points (which are solder points) were much shorter than the original. I had to re-solder the contacts so that they were taller in order for them to make good contact with the socket. Compare the old with the new. Just a thought.


I ran into the same issue with some cheap bulbs off of Ebay. The brightness was sorely lacking, so I never bothered to fix the base of the bulbs (that is the problem). They were crap all the way around. I later installed some of the Pilot 1157 Red LEDs from Walmart, and they have worked great. As bright as incandescent, and no issues with socket contact. $15 per pair. I've heard some folks on here complain about them, but have experienced no problems at any level. I've been running them for over a year now, 7K miles.

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Charlie1Horse
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Re: 1157 LED bulbs

Postby Charlie1Horse » Mon Jul 18, 2016 10:04 pm

Try these from SYNETIC on ebay. I have had them in my 92 Interstate for about 1 1/2 years and they are really bright and I have had no problem with any of them. I also got the 1156 substitute from them. They look the same except only one connection on the end, http://www.ebay.com/itm/4x-1157-High-Power-2835-Chip-1400LM-White-Projector-Turn-Signal-LED-Light-Bulbs-/261508169430?hash=item3ce319fed6:g:ql4AAOSwaNBUhivV&vxp=mtr They are currently $25.99 for 4 bulbs and quick, free shipping. I am ordering some more for my GL1200 Aspencade and my truck.
Russell

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