Rep Power: 0

my son has tried too hook up sub woofer had it tied into the fuse box car suddenly would not start, replaced battery , battery cables ignition turns but will not turn over, disconnect wire from fuse box pull all fuses and checked the ones that i thought would have effected problem with starting, go into car and it's starts. Car is good for about 6weeks and suddenly doesn't start pull all fuses again none are blown but car starts again, happen a 3rd time . can someone please give a suggestion as too what they think the problem is or direct me too any body but a Hondadealer I live in the Wayne NJ area the car is a 99 Honda Civic