YOU SAID:

I spent the morning replacing an engine wiring harness on a Toyota 4Runner

INTO JAPANESE

午前中はトヨタ4ランナーのエンジンワイヤーハーネスを交換しました

BACK INTO ENGLISH

I changed the engine wire harness of Toyota 4Runner in the morning

INTO JAPANESE

午前中にトヨタ4ランナーのエンジンワイヤーハーネスを交換しました

BACK INTO ENGLISH

I changed the engine wire harness of Toyota 4Runner in the morning