Wait a minute... are you trying to plug that into the plastic covering cap? the plug you post a pic of where is that coming from?
I don't think I understand what you're saying. Is there any way you can take pics of it connected together?
'07 Audi A8 (w/ 20,000 miles)
'03 745Li (sold)
'03 Acura TL-S
'02 Infiniti QX4 (sold & new owner totaled it 4 hours later)