B3000 DS Cab Plus 2WD V6-3.0L OHV (2001)
General Module: Description and Operation
Gem/Ctm
GEM/CTM
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Interior lighting inputs to the GEM are the door ajar warning switches and vehicle speed.
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Interior lighting outputs to the GEM are the interior lamp and battery saver relays.
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The GEM controls the interior lamps and illuminated entry function with the interior lamp relay.