dash light wont turn on when headlights come on PLEASE HELP!!

so my dash wont light up when i turn on the headlights. so i am driving with no gauge lights and no dash lights at night. i think its a fuse but idk which one i need to check. the entire dash itself works fine just wont light up at night when i turn on my headlights. i flip the switch and it all goes dark a/c gauges speedo tach everything on the dash goes dark. the turn signals work the E-brake light turns on when i engage the E-brake. i need help. any ideas much appreciated this is my first supra. and want to do it right
 

Nick M

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Sep 9, 2005
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Do you know how to read the EWD?

And what is the difference between dash and gauge lights? I assume you mean what Toyota calls the combination meter.

I will see if I can find the right one online.
 

supraslow!

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Apr 7, 2009
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Also check if you have the correct bulbs in the tails they should be a single point not dual not sure if that was the cause but I changed em and they came back on.
 
I know how to read EWD'S. Ik its not the dimmer switch. I took a video will post later today. The best way I can explain it is when I'm driving at night my entire dash is dark. I have no illumination on my dash at all when I turn my headlights on. The bulbs are in the back of the dash right?
 
what do you mean. i tryed the dimmer switch nuthing happened. what meter are yout alking about. i have a dimmer switch which will brighten and dim the dash i moved that left and right and nuthing happened. where would the fuse be for the the interior lights and stuff.
 

Sside

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May 20, 2008
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BUMP.... I came across this thread as I was having the same problem.... Went out to my car and yup, dimmer switch was all the way down. Must have done that as I was washing and cleaning my car...... Anyways, thanks alot guys for having common sense and trying to help out the op who I am pretty sure had a bad dimmer switch... You guys hit it on the nail...
 

ProjectAIB

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Sep 17, 2012
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Hey im having the same problem.
Ive checked the dimmer switch, bulbs (replace w new 1), bulb sockets/holders, fuses, wires n im still getting nothing on from my gauges.
I evn swap the bulbs sockets n still nothing.
I know im getting 12v on the cirucit to the light bulb cuz i checked it w a tester.
I am really stump. Juz scraching my head. Wht the heck is going on????....
Plz help.
Thnkx