Climate Control Backlighting Instantly Went from Fine to Dead?? - Toyota 4Runner Forum

Bluesky 07 · 02-23-2020, 11:46 PM

I know it’s common to have to replace one or more of the bulbs behind the climate control panel. In fact, I had to replace one when I bought my truck in 2014. It’s been working fine ever since - until today. I had the dash apart to get to the radio and when I got everything back together, the climate control backlighting was dead. I took the panel back off and made sure the plug and receptacle were okay, no bent pins or anything, and fully seated. If there’s a fuse responsible, I couldn’t find which one it is. Just seems very odd that both bulbs would fail instantaneously,

Anybody else have this happen?

ac1617 · 02-24-2020, 03:14 AM

Yup, took my dash apart to install a ram mount. When I put every back together the climate readout and all 4 of the button lights stopped working. Replaced the bulbs and all was good.
I think the bulbs are just fragile and being a bit aggressive with remove and reinstall broke the filaments.

Bluesky 07 · 02-24-2020, 08:08 AM

Quote:

Originally Posted by ac1617

Yup, took my dash apart to install a ram mount. When I put every back together the climate readout and all 4 of the button lights stopped working. Replaced the bulbs and all was good.
I think the bulbs are just fragile and being a bit aggressive with remove and reinstall broke the filaments.

Thanks, I'll replace them and see if that's the deal.

Bluesky 07 · 02-25-2020, 05:05 PM

Update: it was the bulbs. Just surprised they both blew at the same time.

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