speaker problem

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idisnottaken

Member - Posts: 3

Joined: May 13, 2006

Posted: May 13, 2006 at 2:15 PM / IP Logged

I recently hooked up a pioneer head unit my car and in no consistent way, the head unit will stop giving output to the speakers, the sub still get sound, yet no speakers on the car will get output, now if I unplug the harness from the adapter, and plug it back in, sound will come back. I dont have to touch or adjust any wires at all, I just unplug the harness then plug it back in and the sound comes back, I can even do it fast enough so the head unit retains its memory...

anyone know what the problem could be?

stevdart

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Posted: May 13, 2006 at 2:53 PM / IP Logged

This could happen if the speakers connected to the head unit are putting too low of an impedance load on it. Describe the rest of the story for the forum: OEM speakers or aftermarket, what impedance and how wired, etc?...

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idisnottaken

Member - Posts: 3

Joined: May 13, 2006

Posted: May 13, 2006 at 4:12 PM / IP Logged

OEM speakers, really nothing special about it, straight up wiring, nothing crazy, I just spliced the adapter to the harness from the head unit, triple checked the connection to be sure they were all correct and secure. drives me nuts, I cant figure out what it is for the life of me...is it possible the head unit is bad? it had been sitting in another car for awhile not being used.

how would I adjust the impedance load on the head unit?

DYohn

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Posted: May 13, 2006 at 4:42 PM / IP Logged

Assuming your vehicle does not have a BOSE or other "premium" system in it, sounds like an impedance problem. Many OEM speaker systems are 2-ohms loads, and many after-market head units cannot handle 2-ohm loads. This sounds like it may be the case in your vehicle. If so, the only thing you can do is replace them all with good quality 4-ohm speakers.

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forbidden

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Joined: November 01, 2003

Location: Alberta, Canada

Posted: May 13, 2006 at 4:59 PM / IP Logged

Or he has one bad speaker in the vehicle that is dead shorting and sending the amp into protection. Disconnect all speaker wires and reconnect one pair at a time and test.

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idisnottaken

Member - Posts: 3

Joined: May 13, 2006

Posted: May 15, 2006 at 3:29 PM / IP Logged

is this impendance problem a common thing, I talked to a few friends who have done a lot with car audio and they were completely baffled..

the stereo also killed my battery today when I left it plugged in overnight (first time I left the harness hooked in overnight, before I would just unplug it before I got out knowing Id have to unplug and plug it back in when I started the car anyways..) dunno if that changes anything

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Platinum - Posts: 5,353

Joined: November 01, 2003

Location: Alberta, Canada

Posted: May 15, 2006 at 3:53 PM / IP Logged

Yes it is common in factory amplified systems. Those few friends are the people that may be fine with the basics but take on a task like this and they are well over their head.

Top Secret, I can tell you but then my wife will kill me.

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speaker problem

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