First, for better performance, radar detectors should be mounted at the top of the windshield, which should be obvious, but apparently is not judging from the number of detectors I see practically sitting on the dash. Perhaps it's the wires causing the problem.
I have both of my cars wired for the V1 up at the visor on the right side, with the windshield bracket near the center, just under or to the right of the mirror.
My recollection for the RX was that I could not find a switched wire up in the center light module, which was a disappointment. So I ran the wire around the right side of the windshield, through the glove box opening and down to the cigarette lighter, which is a switched device, with a nice big fuse. This was a lot easier than it sounds, and I spent less time doing this than I did testing all the wires up in the light module.
If you search here you can find instructions for taking off the trim pieces to get to the lighter cord, where you can tap into the power line. The cord is totally hidden, and the plug can be tucked behind the visor when not in use. Putting the V1 into its bracket and plugging in the cord takes 15 seconds, and even when in use is hard to see.
For the premium installation, run wires for the remote readout module over to the left, and mount it on the far left of the dash, where you can see the arrows more easily than looking up and to the right; this is great for road trips.
Highly recommended.
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2002 SC430 Black/Ecru
First Edition (April 2001)
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2004 RX330 w Nav/ML
and Thundercloud Grill
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