Alpine 9815 restarts at 21 vol. after new Rainbows

[chronos 10+ year member]

Hi, I've been using the Alpine 9815 for years now and just installed Rainbow SLC265 Kick's in my car last night. I didn't do the 80Hz Highpass Filter yet because I was just testing if everything works.

The speakers works fine up until I bring the volume to 21. The headunit would just shut off and restart itself.... I tried this once when I only had one speaker installed but it still did this when I installed the other one. What could be the problem? Everything looks wired up fine and the tweeters are set to the +0dB setting on the crossover.

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[mazdakid 5,000+ posts]

try running a ground wire from the head unit ground to the battery.

 

[GMCJimmyslt2000 10+ year member]

poor voltage...go have ur charging system checked otu

 

[chronos 10+ year member]

I don't know much about electrical stuff but why would it occur after Volume 20 but be fine before that?

Any other suggestions?

 

[mazdakid 5,000+ posts]

yes mine did the same thing. i ran a ground from the head unit to the battery and it worked fine again