Wanting to use LED lights in the taillights.

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gwittman

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I have used LED taillights from Super Brite LEDs in another vintage car and would like to do the same in my 2800 CS. I have run into some difficulties with bulb numbers. Super Brite LEDS lists 5007 for the taillights and 7528 for the parking lights. They have no listing for the brake lights.

I looked at the bulbs in my car and they are all made in Germany and the only four number codes I could find were taillight K5610, turn signal K5814 and brake light 7506. There were also some high digit numbers. Taillight 12821 and turn signal 12498.

I have found that 7506 may be the same thing as 1156 but I don't know for sure.

Does anyone have any confirmed bulb part number that I can use?
 
gwittman said:
I have used LED taillights from Super Brite LEDs in another vintage car and would like to do the same in my 2800 CS. I have run into some difficulties with bulb numbers. Super Brite LEDS lists 5007 for the taillights and 7528 for the parking lights. They have no listing for the brake lights.
I looked at the bulbs in my car and they are all made in Germany and the only four number codes I could find were taillight K5610, turn signal K5814 and brake light 7506. There were also some high digit numbers. Taillight 12821 and turn signal 12498.

I have found that 7506 may be the same thing as 1156 but I don't know for sure.

Does anyone have any confirmed bulb part number that I can use?
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Good if you prefer leds,
IMHO LEDS look odd in a vintage car

If you prefer brighter you can also use Honda tail lights, instead of 21 they produce 23watt
 
Chris, all of my bulbs are single filament. I know 1157 dual filament serves as both taillight and brake light. I use those in my Fairlane Cobra. I also understand you can use a dual filament bulb in a single filament application. Is there an advantage of doing that? My taillight is a smaller bulb than the brake light and turn signal (which are two separate bulbs).

It seems that I could use the 1156 for my brake light as well as the turn signal. The 5007 may be better for the taillight because it is smaller and is probably not as bright which is the way the original taillights were designed, making it easier to see when the brake lights or turn signals are operating.

I don't drive at night very often, but I want to make sure the lights are seen well in daylight as well as at night, especially the brake and turn signal lights. I plan to use the red version on all the lights in the rear (my turn signals are red). I don't see a big benefit of using LEDs for the backup and license plate lights.
 
Just buy the 1156, they will be very bright. To use in a turn signal you need the electronic flasher mod, the EL 13? I haven’t done that yet, the 1156 LED running and brake lights are the most important. BTW, though being bright no one will know they are LEDs regardless of the naysayers.
 
When I used the 1157 LED for the combination taillight, turn signal and brake light, I had no change in the flash frequency of the turn signal. I did not use LED for the front turn signal and that may have helped with not needing the electronic flasher mod. There is also a resistor kit that can be attached to the turn signal wires to eliminate the fast flash problem.

Thank you for the advice for this upgrade in my Coupe.
 
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