Hi all, For the speed sensor on the left side of the transmission: Prong 1-dark blue wire has continuity with ground: Power supply Prong 2-yellow wire does not have continuity with ground: Output to speedometer Prong 3-brown wire has continuity with ground: ground. Should there be continuity with ground by prong 1? Type 44 Turbo Quattro, 315,000 km Max