no ur rite that goes to the brake booster and the small one is for the water..U SHOULD HAVE CUT IT B4 INSTALLING MOTOR....i did but didnt put lines like cordobes..in which now i regret cause it leaks air pressure from exhaust mani...iirc the one hose on the pass side that wasnt connected goes to the brake booster. i cant really see were it is terminated at on the motor to tell you for sure