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Hello and welcome to just answer and allowing me to assist you. you said you supplied a ground to the switch? can you elaborate where and what happened? you can then check the body grounds .have you got a light wiring diagram?
do the high beam lights work without jumping? I would not advise back probing with grounding because the dlr system is very sensitive that way .
what you have is a bad DTRL mogul every thing goes through it and you mentioned no day time running lights that just confirms it
Oh boyI need a translator I guess for me, LOL yes the DRL relay sorry
hello again and here is the unit I was referring to and a link so you can either bypass it the right way or replace it. http://www.lightsout.org/disable.html#Toyota. The units are cheap enough and probably can find one in a wrecking yard. I don't know where you live but some states and up here is mandatory to have them working so best to check before you do disable them. Hope this helps you and if you need further assistance I'll be happy to do so. please rate my answer. Good luck.