Blown Amp???

spoonraker
10+ year member

CarAudio.com Elite
First of all I have a Cadence ZRS-9 2000W monoblock amp.

So here's the story...

I hooked it up in the back of my trunk just sitting on the floor next to the sub to make sure it worked, it did and I drove around with it just loosely sitting on the floor for a good long while, maybe a month or so. I got tired of worrying about it sliding around so I decided to make a rack for it since there is no floorspace big enough for me to just screw it down to the floor of the trunk. Anyway, I made the box, mounted the amp, screwed it in, hooked up the amp and it worked. When I hooked the ground wire to the body of the car there were some minor sparks.

I tested it and it worked, it played...

Ok so now I just have to put the decklid and backseat back in, which I do. Now the amp isn't getting any power. I looked at the ground wire and it's pretty securley fastened down, which should cause it to not get power anyway should it?

I checked my in line fuse mounted in the engine compartment on the battery and it's not blown.

Are there fuses inside the amp I should check?

What could possibly cause it to not get power now?

 
I have a multimeter, but I'm not really confident using it... I'm sure I can find a manual or something online..

Anyway I just attach the ground and power wires the DMM turn the knob on the front to the right setting to test for current?

 
Did you have your amps power wire connected to the batteries positive terminal while wiring the ground?

Step one is disconnect all power and grounds.....

 
I still don't know what happened, but it works now, and I thank you all for your help.

I just disconnected the ground wire from the body of the car and then bolted it back on the exact same spot 10 seconds later and the thing turned on. It's been working perfectly ever since.

 
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spoonraker

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