multi-function display bulbs out after head unit install

Derek

New member
So I installed a Scion head until in my '07 SR5 today and the install went well. I got everything put back together and tested to make sure all of my connections were good and didn't see any problems. Then tonight I left the house and realized the multi-function display was not illuminated. The display works and all of the controls work but it isn't illuminating when I turn on the headlights. I pulled the bulbs and one looks like it could be blown. The other looks okay. Is it possible that both bulbs died because I disconnected the display during the head unit install?

Also, should the rear window switch be illuminated when the lights are on? I can't remember and it isn't illuminating either.

Edit: The rear window switch SHOULD be illuminated. How did I manage to kill three bulbs during the install? Is it because I forgot to disconnect the battery before doing the head unit swap?



I guess I should buy some bulbs. Looks like the part number is 90010-09017.
 
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SIMILaR thing happened to b4..............when i removed my hu...my display ended up being half lit.............checked n 1 bulb dead..........searched on amazon, no dice...found some on ebay
 
I went to change one bulb that was out on my heater controls and when I put it back in I had another one out. I don't know if it was just a loose connection, but I bought extra bulbs, so I just changed all three. The thread below breaks down the different bulbs and part numbers for each location. They are not all the same. I ordered mine from Toyota parts zone.

http://www.toyota-4runner.org/4th-gen-t4rs/43130-replacement-instrument-light-bulb-2.html

The diagram in that link is really helpful. Thank you!
 

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