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What exactly is the question or issue with the 03 corolla?
Click this link and save the illustration the link will timeout. The ST relay or starter relay is located on the back side of the fuse block located on the left side of the instrument panel. If you reach up in behind the junction block is on the top right-hand corner if you are looking at it from the backside This is highlighted in yellow. Please do not forget to rate the assistance that I provided to you at three or higher.