Indicator/hazard/flasher/dash light issue!
#1
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Well I don't quite have the problems that some seem to have had with their indicators/hazard lights, but I have a weird little issue that has been giving me a headache for a few days, and would appreciate any advice!
The indicators work as they should, front and back, flashing away happily. The hazards work as they should, front and back, left and right, flashing away happily.
What doesn't work as they should are my dash lights. My hazard warning light works just fine, flashing in time with the exterior lights, but the left and right turn signal lights flash off-time with the exterior lights, and only illuminate very briefly. With hazards off, if I apply a left or right turn signal, the corresponding dash light will light up for a fraction of a second, and then stay off even with the external lights working.
OK, confession time here, and some may have already guessed this (since the dash lights are only illuminating for a brief period of time), but I have installed dash LEDs in place of the globes. Complicating this further is that my left and right turn signal dash lights never used to work, and the bulbs appeared to be fine when I replaced them.
So what could be going on here to cause all this weirdness? At first I thought that perhaps the left and right LEDs were installed incorrectly, but swapping polarity meant that they didn't illuminate at all. Are those diodes for the left and right warning lamps susceptible to failure that might cause this? Do I even need them once I have installed LEDs in place of the bulbs? Has anyone else come across something like this?!
Thanks in advance,
Dave
The indicators work as they should, front and back, flashing away happily. The hazards work as they should, front and back, left and right, flashing away happily.
What doesn't work as they should are my dash lights. My hazard warning light works just fine, flashing in time with the exterior lights, but the left and right turn signal lights flash off-time with the exterior lights, and only illuminate very briefly. With hazards off, if I apply a left or right turn signal, the corresponding dash light will light up for a fraction of a second, and then stay off even with the external lights working.
OK, confession time here, and some may have already guessed this (since the dash lights are only illuminating for a brief period of time), but I have installed dash LEDs in place of the globes. Complicating this further is that my left and right turn signal dash lights never used to work, and the bulbs appeared to be fine when I replaced them.
So what could be going on here to cause all this weirdness? At first I thought that perhaps the left and right LEDs were installed incorrectly, but swapping polarity meant that they didn't illuminate at all. Are those diodes for the left and right warning lamps susceptible to failure that might cause this? Do I even need them once I have installed LEDs in place of the bulbs? Has anyone else come across something like this?!
Thanks in advance,
Dave
#2
#3
#4
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When I changed all my instrument cluster lights to LED's, I also replaced the circuit board. You can go to Jaguar classic parts and find which circuit board will work for you XJS. Mine is a 93, so yours will be different. These circuit boards are still available. Changing the board just eliminated any glitches.
#5
![Default](/forum/images/icons/icon1.gif)
When I changed all my instrument cluster lights to LED's, I also replaced the circuit board. You can go to Jaguar classic parts and find which circuit board will work for you XJS. Mine is a 93, so yours will be different. These circuit boards are still available. Changing the board just eliminated any glitches.
I have read that changing the front or rear bulbs to LEDs can or will cause the turn signals to flash too quickly, so I wonder if changing the instrument bulbs will do the same thing.
Info gratefully received..
Tx.
#7
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99xk8guy
XK8 / XKR ( X100 )
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06-05-2023 06:28 AM
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