Toyota Headlamp Wiring
I found this site when searching for help for my Toyota Tamaraw FX headlamp wiring kit. I got a standard wiring kit so that I could put in higher wattage bulbs. But Toyota apparently wires their headlamps in a weird way. When I switch to high beams using the auxillary wiring, BOTH low and high beams come on, and the high beam indicator on the dashboard does not.
Here’s the site -> http://www.4crawler.com/4×4/CheapTricks/Headlights.shtml
Many thanks to the author for sharing. Haven’t tried it though, but will do as soon as I find the time. :-)
Here’s another site with car wiring diagrams: