Do you hear the fuel pump kick on (that "da. DaDuuuuum da" sound)? maybe the whining sound is your pump trying to kick on but doesn't have enough juice? Do your lights dim when you try to crank it over?
Start with the easy stuff, see if the battery is dead, check your starter motor connections, look at the fuses (under the seat, one is out in the oPen and the others are in the junction box, assuming a G1 Z)
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