I saw some guys in the 80's forum that had installed Gentex mirrors, but didn't see any threads here on the 60's forum, so I thought I'd share my experience. If this has already been kicked around, I apologize. I'm still a newbie. A couple of months ago, I started looking for something that would display the outside air temp inside the cabin. My search eventually led me to Gentex auto dimming mirrors. They make several varieties. I settled on the one that displays the outside temperature as well as compass heading.
See all their mirrors at this web site:
Gentex Corporation :: Automotive
I purchased it from here, they have free shipping:
Gentex Auto Rear View Mirror With Compass and Temperature
The windshield mount piece and the cement to glue it on the windshield came with the mirror from Autoanything.
The installation in my fj62 wasn't bad at all. I installed the probe first. I placed it pointing down in the big hole on the drivers side in the front crossmember right behind the front bumper, and routed the wires along the drivers side over the wheel well and through an unused hole in a rubber plug on the drivers side firewall where the hood release cable comes out. The plastic conduit wasn't quite long enough, so I'll have to get about a 2 foot long piece to make it all the way to the firewall. Cruisers have a long nose. After routing the probe wires up onto the top of the dash, I removed the original mirror and glued the mirror mount on the windshield per the instructions. I was careful to mount it low enough so the visors can go up and down without hitting the mirror. I mounted the mirror on the windshield and plugged the connector into the mirror. I routed the temp probe wires along the top of the windshield over the drivers side. Just pulled the rubber down and stuffed the wire in working my way from the center left and down around the side. Then I routed the power wires using the same method, only to the right. I coiled up the extra temp probe wire and tie wrapped it up under the dash. Then on the right side, I connected the ground to a bolt under the dash, and found a switched 12V lead under the kick panel on the right. Voila, it works great.
See all their mirrors at this web site:
Gentex Corporation :: Automotive
I purchased it from here, they have free shipping:
Gentex Auto Rear View Mirror With Compass and Temperature
The windshield mount piece and the cement to glue it on the windshield came with the mirror from Autoanything.
The installation in my fj62 wasn't bad at all. I installed the probe first. I placed it pointing down in the big hole on the drivers side in the front crossmember right behind the front bumper, and routed the wires along the drivers side over the wheel well and through an unused hole in a rubber plug on the drivers side firewall where the hood release cable comes out. The plastic conduit wasn't quite long enough, so I'll have to get about a 2 foot long piece to make it all the way to the firewall. Cruisers have a long nose. After routing the probe wires up onto the top of the dash, I removed the original mirror and glued the mirror mount on the windshield per the instructions. I was careful to mount it low enough so the visors can go up and down without hitting the mirror. I mounted the mirror on the windshield and plugged the connector into the mirror. I routed the temp probe wires along the top of the windshield over the drivers side. Just pulled the rubber down and stuffed the wire in working my way from the center left and down around the side. Then I routed the power wires using the same method, only to the right. I coiled up the extra temp probe wire and tie wrapped it up under the dash. Then on the right side, I connected the ground to a bolt under the dash, and found a switched 12V lead under the kick panel on the right. Voila, it works great.

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