mk2vr6kid

after changing the the engine to the vr6 the wipers, rear window heater and the car heater blower tKE NOTIONS not to wrk can any 1 help me with this as im pullin my hair out tryng to find the problem

after putting a vr6 in to my mk2 small bumper golf realised the is an oil leek on the driver side of the engine wanna no how to sort it