post some detail pic of this circuit ,,,,,,,,,,12 volt tranforers are vacant,,,,,,,,,,,why ?........have you conform that from the shop where you purchase ? charger ALT 12 is not of battery or charging connection,,,,,,,,,if its for changing then where is the 6 to 10 Amp 12 volt transformer which charges the battery ?.............you batter conform all this from the shop and ask him to provide the circuit diagram,,,,,,,,,,,,,,
another thing,,,,,,,,,,,this circuit is lot different from the one which another guy already posted (i forget his made but he also share its movie),......,,,,,,,,,,,,,,,