wasa05

hi can any body help me with a center roof light that has four buttons one for interior light one for the reading light, or map light one for car door open light and another which i dont understand the pic on the button it also has a eletric roof button for a model between 95 and 2000 what i wanted to know was how to wire it up for a early merc it has so many pins coming out the back iam not sure which does what since i got it from a wreakers and they didnt know. it has 6 pin groups on the back one has 6 small pins and two large then 2nd has 6 small pins and 2 large then 3rd has 8 small pins the one above that has (4th) has 4 small pins then 5th has 3 small pins then the above that has (6th) 3 small pins
can you tell me what each is for if any one knows