Hello, please I need your help.

I noticed that there is this clutch sound when I try to accelerate. The car slows down as it it wants to stop, then the sound and the car continues.

I had it scanned and the technician worked on it. The sound and issue still persisted.

Took it to a gear mech to check out and bought new gear box and all. On fixing, the gear mechanic said the bran box got fried. He got new brain box and same thing.

My dilemma now is I don't even understand how it started and what could possibly be the issue incase of next time.

A little history. - Car was bought Nigerian used.

Please any advice?

It's obviously a wiring problem. Get a good technician bro

Since it was bought naija used
.pls count your loss and sell it as scrap. If not na from mechanic to mechanic