In case anyone cares... I discovered that the wire running to T5 was not soldered. Once I soldered the wire, both terminals indicate continuity. At least now both channels behave the same, so I'm guessing the answer is, "Yes, both channels should have continuity".
David B Bliss
Bottlehead: Foreplay I, Foreplay III, Paramour I w/Iron Upgrade, S.E.X. w/Iron Upgrade
Speakers: FE127E Metronomes, Jim Griffin Jordan/Aurum Cantus Monitors, ART Arrays
Other: Lightspeed Attenuator, "My Ref" Rev C Amps, Lampucera DAC