Then {HEAD ~ the electrical conductors} of the ECU 16 are connected to the bus bars 21 of {TAIL ~ the connector module} 11 through the relay terminals 53 
Then { HEAD ~ the electrical conductors } of the ECU 16 are connected to the bus bars 21 of { TAIL ~ the connector module } 11 through the relay terminals 53
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH