oem 09 nav head unit in 08 f250

hi,

i'll see if i can get you wiring differences tomorrow..have access to ford wiring

m

hi,

my info shows additional buttons/wiring at the steering wheel, doesn't show resistance values, however, they maybe different.

buttons are labeled 'phone' 'ok' and 'voice'...pertains to bluetooth functions i believe. 

also shows pin #7 used for amplifier enable,  the '09 vehicle has the audiophile system (external amplifier ?)

hope this helps

m

running with sissors, 'cause i can

I think the extra buttons are for sync.

I was told that the 08 unit had amp built into head unit and 09 had an external amp, can anyone confirm this? If this is the case then can i just install external amp?

also i have 8 speakers(in my 08), Are the 4 in front and 4 in back just running off the 4 channels (LF,RF,LR,RR) or is there full 8 channel seperation?  

anyone have 09 f250 radio harness wiremap?

Thanks

hello again,

i'll look at the diagrams tomorrow.  i'm guessing the audiophile system's radio, which had the external amp, can't drive a speaker directly....not a high level out.  if you could get the amplifier, you'd obviously need to make or have mating connectors for it, plus associated wiring of course.  the sync system is external to the radio, according to the diagrams and the '09 i worked on today.  the '09 had the non-nav, non-audiophile radio...no remote lead at harness, did  have subwoofer though.

m

ok....the navigation headunit has an external amplifier, mounted under the drivers side dash...four channels in, four channels out, bat, gnd, rem...usual connections.  audiophile headunit, no external amplifier, drives speakers directly.  steering wheel controls...two sets on nav headunit, one for radio functions, the others for the SYNC system.  two pairs of wires connecting to headunit for them.

m

Ok here's where im at on this one:

Installed aftermarket amp and ran the 4 speaker channels to it and back to speakers.

I have audio from the front channels comming out but nothing from the back.

There is a low whine comming from the speakers; not a ground loop because it stays constant.

My guess it is a digital signal for all of the channels that needs a decoder for seperation. I could be way off on this.

APIM - this is the sync module, is the amp built into this module or is it a seperate module?