LED 7443 - Taillamp Failure Warning?
11-06-07, 09:06 PM
#16
Driver
i'll stop by there on friday.
not sure if this will help, but here it is,
http://www.customled.com/PRODUCTS/TH..._equalizer.htm
not sure if this will help, but here it is,
http://www.customled.com/PRODUCTS/TH..._equalizer.htm
11-10-07, 11:09 AM
#17
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I played around with the LEDs and dug around the trunk a bit more yesterday. Couldn't find the lamp failure module and it looks like I need 2 resistors per LED bulb. I give up... 
These bulbs are plug and play if you don't mind the taillamp failure warning.
EDIT: See this thread for pricing, I am selling my bulbs.
These bulbs are plug and play if you don't mind the taillamp failure warning.
EDIT: See this thread for pricing, I am selling my bulbs.
Last edited by Robin24k; 11-10-07 at 12:05 PM.
08-05-10, 11:34 PM
#18
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Bumping this up...dug around with this issue again, and with some interesting (but still disappointing) results.
Looks like the LS430 needs a resistor for each circuit, which means 25 Ohms on the parking/running light (green wire) and 6 Ohms on the brake lamp (green/white wire). I was able to do this with the resistors that I had (10 Ohm and 15 Ohm in series for 25 Ohm, 10 Ohm and 25 Ohm in parallel for 7 Ohm), but that's a lot of resistors, and while it works, I'm returning the resistors to Halted because I'm worried about the safety of all of these things heating up.
Does anybody have wiring diagrams, or know where the lamp failure module is located, of the black box on the bottom left side of the trunk?
Looks like the LS430 needs a resistor for each circuit, which means 25 Ohms on the parking/running light (green wire) and 6 Ohms on the brake lamp (green/white wire). I was able to do this with the resistors that I had (10 Ohm and 15 Ohm in series for 25 Ohm, 10 Ohm and 25 Ohm in parallel for 7 Ohm), but that's a lot of resistors, and while it works, I'm returning the resistors to Halted because I'm worried about the safety of all of these things heating up.
Does anybody have wiring diagrams, or know where the lamp failure module is located, of the black box on the bottom left side of the trunk?
08-06-10, 05:13 AM
#19
I have the '04 which is already LED taillights... 
I did install and LED for the center high-mount and that's not monitored by the "light out" sensor.
Someone had written back in the beginning of all this... just pull the light bulb out on the dash. You've already replaced with LED and they're going to probably last you until your car is run to the ground (or sold). You probably won't get another legitimate "light out" warning again. Easier than getting four resistors and having them run all over the place and heating up.
I did install and LED for the center high-mount and that's not monitored by the "light out" sensor.Someone had written back in the beginning of all this... just pull the light bulb out on the dash. You've already replaced with LED and they're going to probably last you until your car is run to the ground (or sold). You probably won't get another legitimate "light out" warning again. Easier than getting four resistors and having them run all over the place and heating up.
08-06-10, 10:02 AM
#20
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Yeah, you're lucky with the facelifted LS430. 
Unfortunately, there is no bulb to pull. The taillamp failure message will still show on the LCD, and the car will also make a chime when the message comes up.
Unfortunately, there is no bulb to pull. The taillamp failure message will still show on the LCD, and the car will also make a chime when the message comes up.
08-06-10, 11:01 AM
#21
bummer
I thought I had read a post on perhaps putting one resistor on each side and parallel connecting the two bulbs.
08-07-10, 12:53 PM
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Well, I took apart the whole trunk today, and no sign of any lamp failure module. The service manual lists the module, part number L4, and it has at least 11 pins. However, the page that has the module's location is missing from my download, but I don't think the module is in the trunk so I'm not going to go on a wild goose chase.
And so my LEDs go back into storage once again...
And so my LEDs go back into storage once again...
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