will not start on 2004 GMC Savana 3500

battery is good headlights come on strong, dome lights strong, etc. turn ignition key = slight click but no start.
no previous indication a of bad starter

Asked by for the 2004 GMC Savana 3500
Takes a lot more juice to crank engine than to turn on lights. Battery still may be suspect, battery connections or battery charge related to alternator problems. Could also have problems with the starter if battery/connections is in fact good.
1 more answer
your alternator is gone ,draws from battery until it dies
not to bad to change