LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Passenger side brake light problems

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Old 04-04-18, 09:44 PM
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Default Passenger side brake light problems


I have a 95 LS400, and the passenger side brake light seems to be burnt out(the bulb at least), weirdly though when I put the headlights on the lights work perfectly, not really sure what’s happening, but I have a pair of new bulbs for it and I’m going to replace them anyway just be sure.
if anyone has any input on this issue it would be much appreciated
Old 04-04-18, 10:29 PM
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CELSI0R
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EDIT: 1990-1994 ONLY. 1995+ use a different bulb and socket, but checking the grounds is still a good thing to do.

This could be a bulb problem, but check the bulb socket of the affected bulb to make sure it's grounded properly. There's a ground wire that makes contact with the socket that sometimes becomes flaky due to the way it's manufactured. It's a common problem with Toyota cars of this era.

The ground wire was barely touching on one of mine, so twisting the strands on the end of the wire together and re-stuffing it between the bulb socket and the housing did the trick. After fixing the ground, the bulb had no issues and works 100% properly.



To note: When separating the metal socket from the plastic housing, don't pull from any of the wires. This may make it worse. When putting the metal socket back, just push it into the plastic until it feels secure. You don't want it to be loose.

Last edited by CELSI0R; 04-05-18 at 02:56 PM.
Old 04-05-18, 07:55 AM
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Originally Posted by CELSI0R
This could be a bulb problem, but check the bulb socket of the affected bulb to make sure it's grounded properly. There's a ground wire that makes contact with the socket that sometimes becomes flaky due to the way it's manufactured. It's a common problem with Toyota cars of this era.

The ground wire was barely touching on one of mine, so twisting the strands on the end of the wire together and re-stuffing it between the bulb socket and the housing did the trick. After fixing the ground, the bulb had no issues and works 100% properly.



To note: When separating the metal socket from the plastic housing, don't pull from any of the wires. This may make it worse. When putting the metal socket back, just push it into the plastic until it feels secure. You don't want it to be loose.
I’ll try that out today thank so much, also it seems that the headlight are always on the highbeam setting, I might just replace all the bulbs now
but thanks again
Old 04-05-18, 09:34 AM
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as for your high beam, if you push the switch stalk away from you it will keep the high beams on indefinitely.
pull the stalk towards you to turn it off.
pulling it further is a momentary switch on for flashing purposes, it should return back to neutral position when released.
Old 04-05-18, 09:37 AM
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If I remember correctly, your brake light bulb has 2 filaments, 1 for the brake & 1 for the light so that could explain why it lit up when you turned on the headlight. If the brake's filament has burnt out then you'll need to replace it w/ a new one & make sure to replace it w/ a correct bulb.
Old 04-05-18, 09:42 AM
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oh also 95-00 cars use 7443 dual filament bulbs which differ from the 90-94 cars 1157 bulb socket pictured on this thread.
you should always replace bulbs in pairs!
Old 04-05-18, 02:55 PM
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Originally Posted by timmy0tool
oh also 95-00 cars use 7443 dual filament bulbs which differ from the 90-94 cars 1157 bulb socket pictured on this thread.
you should always replace bulbs in pairs!
I didn't realize this! Thanks for pointing that out. I will edit my post accordingly.

OP, you can still check the ground wires, but it will differ from my instructions. The socket will look different
Old 04-05-18, 06:28 PM
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Originally Posted by timmy0tool
as for your high beam, if you push the switch stalk away from you it will keep the high beams on indefinitely.
pull the stalk towards you to turn it off.
pulling it further is a momentary switch on for flashing purposes, it should return back to neutral position when released.

you sold your 97, what are you going to look for??
When you eat or drink or do anything else, always do it to honor God.
Old 04-07-18, 07:12 PM
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Originally Posted by timmy0tool
as for your high beam, if you push the switch stalk away from you it will keep the high beams on indefinitely.
pull the stalk towards you to turn it off.
pulling it further is a momentary switch on for flashing purposes, it should return back to neutral position when released.
yea I figured that out actually that night thanks
Old 04-07-18, 07:13 PM
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Default Fixed em

I ended up just changing both bulbs out both work perfectly the change bulb light went out too thanks for all your help guys
Old 04-07-18, 09:31 PM
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Great to hear! Glad it was an easy fix
Old 04-09-18, 04:19 PM
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Totally normal for 1 filament in a dual filament bulb to die, glad you got it replaced.
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