Phew...finaly got it. 2 days of burning and it discharged. Because i dont want to do something wrong please tell me... 1.p-51 mustang should be on or off while connected to DC? 2.when i'll know it's recharged completly? in other words..how long it schould charge? Simple ones, but i am counting on some reply on this easy task. Thanx for answering. BTW. R.Samuels did marvelous job on this little baby. I'm amazed.