Head unit goes in protection

[Kentuckyrose]

I recently added a 10 inch sub with a 300 watt built in amp. My head unit is a pioneer super tuner 3d. After I installed the sub the stereo was great for about three days. Then all of sudden the head unit started shutting off at high volumes . I don't know where to start to solve this problem . I need some help cause I'm not that great with this stuff lol

Click to read more...

 

[Louisiana_CRX 5,000+ posts]

I recently added a 10 inch sub with a 300 watt built in amp. My head unit is a pioneer super tuner 3d. After I installed the sub the stereo was great for about three days. Then all of sudden the head unit started shutting off at high volumes . I don't know where to start to solve this problem . I need some help cause I'm not that great with this stuff lol

Usually if a headunit goes into protect it means a speaker wire is touching ground...since it seems to have happened after adding the sub you might want to check your speaker connections especially in the door because they have a tendacy to touch metal around the speaker connections where it’s close to the opening ..another is to check your grounds ..the amp may not have a proper ground so when it starts drawing current ..it’s pulling the ground through the rca cables to get the needed ground to produce power so the deck protects itself