Dome lights not working properly

Tiny
PLESS STUESSY
  • MEMBER
  • 2012 TOYOTA SIENNA
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 96,000 MILES
All fuses are good. New relay. Dome lights will only come on if you jumper them in the fuse box where the relay is.
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Friday, April 23rd, 2021 AT 12:48 PM

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Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,005 POSTS
Hi,

I need to know which pins you are jumping. If you look below, I attached the entire wiring schematic for the dome lights/interior courtesy lighting. Let me know which you are jumping. I have a feeling it is pins 3 and 5 in the pic. If that is the case, I need you to check the purple wire (pin 1) for power when the door is open.

Here is a link you may find helpful:

https://www.2carpros.com/articles/how-to-check-wiring

Let me know what you find.

Take care,
Joe

See pics below.
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Friday, April 23rd, 2021 AT 7:40 PM

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