Hello All

In My 2008 Lexus GS350 Windshield Wiper only works on High I replace the Wiper Switch but it does the same thing, I tried to locate Wiper Relay but could not find under the hood.. anybody have any idea what could the problem, or anybody know where relay is located

Thank you

 

I would test the actual motor itself, there should be several wires. More likely each wire would trigger a different speed, I would make sure all the wires are getting proper voltage. It would be best to get a print out of a

https://cardiagn.com/lexus-gs350-gs2...iring-diagram/
page 68 is wiper motor