I attempt to turn on high beams, no change?

2004 LEXUS ES 330

128,000 MILES • 6 CYL • FWD • AUTOMATIC

JAMES ENGLISH

MEMBER
1 POST
FOLLOW

have low beams but when I attempt to turn on high beams, no change. High beam light comes on in dash.
fuses good, continunity on bulbs good.

Mar 1, 2009 at 7:35 AM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.

SQM

CAR REPAIR CONTRIBUTOR
6,383 POSTS

Hello,

It sounds like you might have a faulty dimmer switch.
Since the bulbs are good and the wiring does not have any short the issue points to a bad switch.

https://www.2carpros.com/articles/turn-signal-switch-replacement

I have attached the replacement and testing procedure for the switch below.

Please let me know of any questions.
Thank you.

Images (Click to enlarge)

Dec 7, 2021 at 9:41 AM