Rear LED Tail Lights

[Mike_H]

Just guessing, but the forward voltage drop of a red LED is about 2 volts, so I would say each vertical column of 4 leds are in series with current limiting then the 5 columns are in parallel. Or it could be by the row of 5 LEDs x 4 rows. In either case, one failed LED in series will take out the rest in series, but still leave lots of operational LEDs.
Same with the backup LEDs below.

Now you're making me curious. I'll have to look at the board and see what I can see in the circuit...

 

[pilondav]

I installed my new tail lights today and they work great! The sun was a little bright today, so I couldn't get the full effect, but I'm looking forward to testing them again tonight.

 

[Tybalt39]

I installed my new tail lights today and they work great! The sun was a little bright today, so I couldn't get the full effect, but I'm looking forward to testing them again tonight.

Which flasher did you use? Plug-n-play (flasher) or wiring required? My tail lights are on the way...

 

[pilondav]

I used a plug-in electronic flasher. CEC Industries EF33RL. $8 on Amazon. Works great.

 

[Mike_H]

Which flasher did you use? Plug-n-play (flasher) or wiring required? My tail lights are on the way...

I'm using these

https://www.amazon.com/dp/B0DCTLQKG7

They seem to work well, but no idea on longetivity.

 

[pilondav]

I'm using these

https://www.amazon.com/dp/B0DCTLQKG7

They seem to work well, but no idea on longetivity.

They're pretty reliable. Mine's been in service for about 20 years. Being that they're solid-state, I would venture to guess they're more reliable than the old-fashioned mechanical/thermal ones.