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I have a 1996 Ford F-150 and the third brake light wasn't working. I just assumed that the bulb was burned out so I unscrewed and pulled out the light housing to check. Pretty much everything was melted (the bulb, the bulb socket, and part of the housing) so I had to get a whole new third brake light. I've had this exact issue with almost every OBS Ford I've owned that had a third brake light so this isn't the first time I've experienced this. I don't know what causes this or how to fix it so I'd really appreciate some help. This isn't my picture it's from the internet but this is exactly what happened to mine.
Its a really common problem. The plastic just doesn't take the heat of the bulbs if you have the lights on for a long time. All I've been able to do is find the least melted one I can in the junkyard. You can put some LED bulbs in them which stay a lot cooler and help prevent it melting any more. CPAddict has an OE style replacement in the works but no release date on it yet. I've found the LED ones from LMC and the like are fairly low quality.
It's probably not that high, to get close to spec maybe take your average third brake light bulb and ohm it out, I'd imagine somewhere between 2-6 ohms is a decent guess
It's probably not that high, to get close to spec maybe take your average third brake light bulb and ohm it out, I'd imagine somewhere between 2-6 ohms is a decent guess
Thanks, just never seen anyone post a #, amp draw is 1.4amps so ohms law ciphering gave me 8-8.5, close enuff fer the girls we go wit
Unfortunately this is just the nature of this lamp with stock incandescent bulbs. The only fix I have found is getting a nice one and using LEDs. If you don't have LEDs in the tail lights you should not need a resistor for just the third brake light. Make sure the transmission shifts correctly, torque convertor locks up as it should, and cruise control works. If so, it is fine. I used this LED in red (LED color should match lens color) from superbrightleds.com Part number 921-R19-T.
I'll have to pick some up. I think about the light melting everytime I have the doors open for any length of time doing interior work or whatever it may be.
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Third Brake Light Melting Issue
