The additional segment of {HEAD ~ a wire harness} 3 which is required for opening/closing {TAIL ~ a slide door} 1 and constitutes a curved segment 20 is housed in a protector 9 
is required for closing
The additional segment of { HEAD ~ a wire harness } 3 which is required for opening / closing { TAIL ~ a slide door } 1 and constitutes a curved segment 20 is housed in a protector 9
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH