help!!!!! hello, i need suggestions. my truck was fine, turned it off and that was it! tried yo start it again and nothing, dials jumped back and forth, no gear shift indicator light, will not turn over, but you can hear the fuel pump start. all lights come on,but battery guage shows total discharge. please help .

 

sorry switched my numbers 1998 z71 instead of 89 still same problems

 

no gear shift indicator light= a blown fuse or an ign switch failing to power a circuit up