2004 COROLLA ELECTRICAL WIRING DIAGRAM - Toyota

Written for dealership mechanics, this wiring diagram shows you how to follow the wiring from bumper-to-bumper. It will help you understand connector configurations, and locate and identify circuits, relays, and grounds. You will not find these wiring diagrams in the factory shop manual. This book includes color pages. Buy now for the best electrical information available.

2004 COROLLA ELECTRICAL WIRING DIAGRAM - Toyota

Looking at p.227 in the wiring diagrams it may be a faulty instrument panel dimmer switch as the power for all the lights in the dashboard go through it. (shown as R7 Rheostat in the diagram). If only the combination meter then it still may be the dimmer but could also be the lights or the connection to the lights in the meter itself. 041b061a72