pico fuse blown on headunit?

[atlninja82 10+ year member]

alright well here its goes. I have noticed my system has gotten quieter a while back. It just all of a sudden got quiet and everyone told me i was just going deaf and i knew it wasnt it. well today i was messin around just thinking of things it could be and i pulled the headunit and pulled one rca and the subs didnt play anymore then i put it back in and it started playing again. well i pulled the other one and it kept playing and i put it back in and i could definitely notice and increase in sound and then wthin 2-3 seconds it went back to quiet again. My buddy told me pulling rca's from a headunit while its on is bad and i didnt know that. and ive done it before so he said it could be the pico fuse. I thought it was maybe bad rcas so i ordered a better set from knu. i have shitty tsunami ones. so how do i check if the pico fuse is blown? and does this sound like it could be the problem?

thanks a lot guys,

-eric

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[Horsemanwill 10+ year member]

pico fuse is pioneer not alpine

 

[atlninja82 10+ year member]

oh ok. didnt know that. so could i have blown anything by unhooking the rcas while the headunit was still on?