ok guys i need some help i have a 97z the other day my car started struggling to start so got a jump and went to work thinking maybe i left something on...car did it again so i got the battery tested and it was ok alt and starter was as well... and even with a jump the car wouldnt start up now and i had to pop start it...now the car started to short out every time i try to turn the key to the start position and the dash will light back up when i reset the key position and then short over and over so i cant even attempt to start the car...help please!!

 

Clean the battery terminals, ground at the block and main starter terminal

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Seems like something in the starter or wiring. Almost like something arching or coming disconnected there. Check the positive and negative cables from the start to the end.