Chevrolet Repair: 92chev silverado z71 4x4 v8, inhibitor switch, clutch pedal

Question
my question is why would my truck be burning up starters.this is third starter in less than 2 weeks.all 3 have done same thing drive truck stop at store wont start or turn over today got gas an it wouldnt start push started it drove home wouldnt start again

Answer
GOOD MORNING MIKE,,WELL ARE YOU SURE IT IS THE STARTER ??? GET YOUIRSELF A TEST LIGHT OR VOLT METER AND CK FOR POWER DOWN AT THE MAIN CABLE..YOU WANT TO SEE 12 VOLTS ON THE CENTER BIG CABLE ALL THE TIME..NOW HAVE SOMEONE GET IN THIS TRUCK AND HOLD THE KEY TO CRANK THE ENG OVER,,WITH YOUR METER OR TEST LIGHT YOU WANT 12 VOLTS ON THE SMALL WIRE NEXT TO THE BIG WIRE WHILE YOU ARE TRYING TO CRANK THIS ENG OVER...IF THERE IS POWER TO THIS SMALL WIRE AND BIG WIRE AS I SAID,YOU ARE CORRECT THE STARTER IS AT FAULT.IF THIS IS THE PROBLEM I WOULD SWITCH STARTER BRANDS !!!! BUT IF NO POWER OR LACK OF POWER CK FOR BATTERY CONNECTIONS OR BAD BATTERY. IF NO POWER ON THIS SMALL WIRE YOU MAY HAVE PROBLEM WITH THE CLUTH INHIBITOR SWITCH AT CLUTCH PEDAL.. I WILL ASSUME THIS IS A MANUAL TRANS BECAUSE YOU SAID YOU CAN PUSH START IT. MAKE SURE YOU HAVE GOOD BATTERY 11.8 TO 12 PLUS VOLTS POWER DOWN AT THE STARTER,NOT JUST SOME POWER...THIS FOOLS ALOT OF PEOPLE..LET ME KNOW HOW THIS GOES AND IF YOU NEED MORE HELP,GET BACK TO ME..TOM..