my battery cables where connected wrong and I tried to start my car damages on 2000 Isuzu Rodeo

did this blow my circuit or what it wont start at all

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2 answers
You've have more than likely nocked out the main computer circuit breaker or fuseable link (( this is a piece of wire with a black tab hanging off only on older cars )))) try the circuit breaker first
CK ALL FUSES OR POSS ECM DAMAGE. SEEK DIAG AND EST TO REPAIR