Speakers, backup camera and radio problem

STROH55

MEMBER
2009 FORD F-350
137,000 MILES

One day I was driving and the speakers quit working on the passenger side both front and back. Also the. Volume now goes up and down at will and im not sure if its related but the back up camera quit working as well right around the same time. I took the deck (factory 7" nav with sync) outand had it looked at by the company that fixes them in new York and they said everything works perfect. I plugged it back in and the same still occurs.

3 Replies

MHPAUTOS

MECHANIC
31,937 POSTS

Do you have a separate amp? If the deck is ok, look here next.

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Tuesday, June 5th, 2012 AT 9:57 AM

STROH55

MEMBER
2 POSTS

I don't believe there is an amp for the deck speakers. Only An amp for the factory sub and its seems fine. The subs works too. Any other suggestions?

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Saturday, June 9th, 2012 AT 2:24 AM

MHPAUTOS

MECHANIC
31,937 POSTS

Access the rear of the radio head unit and locate the speaker wires, jump a known good speaker into the wires for the fauklty speakers one at a time and test if they work, if they do you will have to try at the cars speaker to see if they are faulty, if not the problem will be in the unit it selt, try this and get back to me with the resaults, I will endever to locate a wiring schematic that also may help here.

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Wednesday, June 20th, 2012 AT 10:32 PM