Soundstream amplifier Tarantula TR800/5

Question

I've had this amp for a few years now. I never run it hard and when I turned on my truck the other day it didn'r power up. I checked voltage to the amp and remote turn on and everything is 12 volts. I even used the same wiring to connect another Sounstream I have and it worked fine. No fuse on this amp which I find strange. Any ideas?

Thanks,

John