{TAIL ~ A control module} 18 communicates with {HEAD ~ the engine} 12, the transmission 14 and a power take off unit 20  
{ TAIL ~ A control module } 18 communicates with { HEAD ~ the engine } 12 , the transmission 14 and a power take off unit 20
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH