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Originally Posted by livvylois
Hi again, update on no sounds,i gave up!!.Back again to do battle as i've got some time on my hands and use of another vehicle so there's the latest:
I've found out the wiring loom and bm54 were originally from a 2006 X5.I've tried the speaker method but no out put.It doesn't seem to make any difference to the stereo when removing the white power lead,stereo will still show stations.Definately got 12v at power to aerial amp (white ),but this is the part that interests me.i noticed some black insulating tape at the drivers side (UK spec) right hand side,near where the r/h amp on c pillar is.On cutting back there are 2x mini co-ax cable tied back, just like the ones on the tv tuner and bm54 .This makes me think that this could be the problem,but where do they attach to.The amp on that side (r/h) has no facility to house these,could they be for a tv amplifier or alike.The TV does work(no sounds!!) but poor signal at times.
I,m ready to give it a go again,even if i have to start from scratch again,so any help will be appreciated.
Many thanks.
Colin
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White wire is 12V switched output coming out of the radio to supply power to the antenna amplifier. Removing it will remove power from the antenna amplifier, but radio will still work.
The unused coax cables are tied back because they are not needed. They will be antenna cables. They will have nothing to do with no sound.
Mobile TV reception is hugely variable, depending on the signal strength of TV signals in your area. A glance at the size of local TV antennas on houses will give you an indication as to wehther you are in a strong or weak signal area. Knowing where the local TV transmitter is located will also help you understand what signal strength should be like in your area.
VHF reception is much better than UHF reception, so find out if your local channels are VHF or UHF.
To confirm if the TV antennas are working, unplug both antenna cables from the TV tuner. Then connect one, then the other. Observe the picutre when each antenna is connected in turn - if the picture appears when the antenna is connected, the antenna will be fine.
For us to continue helping you, please post photos.