care_mentor_288 Posted March 2 Share Posted March 2 Sometimes I travel for a 2-3+ weeks at a time and in the past the battery died. I've been able to leave the car plugged into a trickle charger in an underground garage. Now, I've got to park outside when I'm gone. The problem is, my family might need to borrow my car while I'm gone and they can't be bothered plugging and unplugging things. So, I'd like to install a solar panel permanently in the window. Maybe something like this? https://www.amazon.com/gp/product/B07DFD3RMS/ I read on a random truck forum that I might be able to plug it into the fuse box somewhere and not have to run a wire to the battery directly. 1) Any advice on where to plug it into the fuse box? 2) Any advice on where to install it? (maybe up by the passenger sun visor?) Maybe something like this: Quote Link to comment Share on other sites More sharing options...
Dean2 Posted March 4 Share Posted March 4 This thread should help a lot. You want to connect to the battery or the jump posts, preferably NOT in the fuse box. Quote Link to comment Share on other sites More sharing options...
care_mentor_288 Posted March 18 Author Share Posted March 18 On 3/4/2024 at 7:15 AM, Dean2 said: This thread should help a lot. You want to connect to the battery or the jump posts, preferably NOT in the fuse box. Thank you @Dean2! I am looking to permanently install a solar trickle charger, probably where the passenger visor is on the front windshield. It feels like it would be a lot harder to run through the firewall to the battery instead of to the fuse box. It won't be much draw. Any advice on where to run it or where to connect it? Thank you! Quote Link to comment Share on other sites More sharing options...
care_mentor_288 Posted 5 hours ago Author Share Posted 5 hours ago So, I'm one step closer to installing the trickle charger. Currently, I'm planning on tapping into one of the fuses in the driver's side internal fuse panel. Is there a problem with tapping into the main PWR fuse? Listed as fuse 32 here: https://www.startmycar.com/us/lexus/rx-400h/info/fusebox/2007 And listed as fuse 79 here: https://www.clublexus.com/forums/rx-2nd-gen-2004-2009/949043-windows-not-working-at-all-where-is-the-fuse.html My thought is to use suction cups or double-sided tape to connect the trickle solar charger to the window where the passenger sun visor goes. Then run the wire across the top of the window to the top of the drivers' side, then down the pillar and to the fuse box. Then connect to a part of the fuse panel that is always hot. Q: Any disastrous consequences? Q: Any better fuses or locations to tie into? Quote Link to comment Share on other sites More sharing options...
care_mentor_288 Posted 5 hours ago Author Share Posted 5 hours ago Ohhhh Even better idea! I could mount it to the sun visor and tap into the visor light for power! Good idea? Terrible idea? Quote Link to comment Share on other sites More sharing options...
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