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
That didn't even make that much sense in English.