Help! Amp cuts out when car is running everything works perfect on acc

[Lmchugh265]

If anyone could help me I have a 95 corolla with a Rockford fosgate p4404 and 2 kicker cvr 10s wired at 4 ohms. All 4ga wiring done right. The system works flawlessly when the car is off and accessory key is on. When the car is running the amp goes into protect at 3/4 volume. Also if I unplug the alternator it works just fine and the alternator is putting out 14v. As soon as I plug it back in amp goes into protect. I’m confused seems the alternator is doing it’s job correctly. Thanks for any help

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