my 2001 chevy silverado truck keeps getting disscharge every morning ?

If the charging system and battery are fine, the vehicle has a draw on the battery with everything shut off. This is draining the battery overnight.
It's a process of elimination to determine the faulty component or system that is drawing current - a test light across the disconnected negative battery terminal and the cable end will confirm this. You may be able to pinpoint the cause by removing the fuses one at a time while monitoring the light.
 
the alternator is fine and battery is fine too.
i tooked it to sears and they check and said my truck is passing high amount of electric voltage???can anyione help me what can it be to fix it?
 
check the water lvl in ur battery...batt will check good even if its low....if this is good would almost have to b ur starter to drain enough to kill vehicle overnight....unless ur leaving a light on or ur alarm is going off all night
 
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