The retainer secures {HEAD ~ a terminal} in {TAIL ~ the connector housing} and cannot be erroneous moved into the fully secured position 
in
The retainer secures { HEAD ~ a terminal } in { TAIL ~ the connector housing } and can not be erroneous moved into the fully secured position
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH