Question about Nissan 300ZX
You might have a short to ground, make sure none of the hot wires are able to touch anything, including the body/floor/pannels, etc. If you put any screws into the car back there, check to see if you hit a wiring harness.
Most likely, you have the sub sitting on the harness and have damaged it. Take the sub back out and look underneath for a wiring harness. Repair it and attempt to reroute it, or place a board on each side of the harness to place the sub on.
If you continue to install oversized fuses, you will be able to find the problem easily: Smoke will be coming out. You need to find it and repair it before it causes more damage to the wiring harness, or worse, starts a fire!
It is also possible that the sub has slid into the back of the light sockets and caused damage. I am an ASE Certified Master Technician with over 30 years in the field.
Posted on May 31, 2009
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Posted on Jan 02, 2017
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