{TAIL ~ The signal output} is communicated to {HEAD ~ a fuel system control circuit} including a first operating relay operatively connected to a jettison fuel pump enable circuit portion, where the signal output operates the first operating relay and the jettison fuel pump enable circuit portion to operatively control the jettison fuel pump and deliver fuel to the fuel manifold 
{ TAIL ~ The signal output } is communicated to { HEAD ~ a fuel system control circuit } including a first operating relay operatively connected to a jettison fuel pump enable circuit portion , where the signal output operates the first operating relay and the jettison fuel pump enable circuit portion to operatively control the jettison fuel pump and deliver fuel to the fuel manifold
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