Hi Nilaus The two yellow wires are the main alternator coil connections. The very ends of the bit of wire that makes up the coil in the alternator. The red wire is a centre tap in the middle of the coil. If you connect the two yellow alternator wires together and then connect them to one of the yell...

Check out the coil and lead combinations available from Silent Hektik. They have about 2 or 3 sets of varying price and claim to offer increased performance. Helps if you speak/read German as there is no English web site. I managed to make my way thru the site by copying text blocks into an on line ...