Is this a Wire harness Symptom !!!??!?!

I am hearing a very annoying noise coming from the middle or rear of the car ... For example if I am waiting a red light and I want to go full capacity I hear the noise something like a " PAA " then everything returns to normal... it is something like a hesitation before acceleration
The engine light is OFF and there is no alarm light On ! what do u think it can be the wiring harness ... My car is C280 1995

NB: I feel that everytime the noise come from a place in the middle or rear sometime from the middle front.

Please HELP!!!

any ideas !?!?

[suginami]

I'm having trouble imagining the sound you are hearing.

You say it's coming from the middle or the rear of the car?

Maybe the sound is a bad flex disk.

A hesitation could be a sign of a bad engine wiring harness, but you'd likely have a check engine light, though. Bad coil wire boots are a more common cause of a hesitation, though.

The noise is coming from under my feets ... but sometimes from the rear .

I had a problem once, the battery wasn't connected tight so when I pass on a speed bump an electrical loss occurs and the engine stops I remember that I heard a similar noise simultaneously with the engine stops.

what do u think ? it can be an electrical prob ?

[Ali Al-Chalabi]

It is going to be a real challenge to diagnose a sound like that over the internet.

If you are concerned about the wiring harness, start by checking the physical condition of the wiring harness and see if it is showing any deterioration.

Actually, the noise doesnt come regularly and it is related an accoustic noise more than mechanical