Antenna issues after replacing COMMAND unit

Assure good battery ground, and good component grounds...this way we can run strong and confident in our power~

You know bobkat there's going to be a little wrenching involved here, you cannot simply wave you hand like a friggin' genie, no. Follow the black wire (the one that comes off the battery) yes, the other end looks like a lolipop with a hole for the ground stud/bolt...in Florida ain't so tough, you've just got the mould-air where everything gets mouldy, but any corrosion will slow down the available power...what we want is to be able to pull 300 cold-cranking-amps through the 1/0 battery cable, this power goes to the car body/chassis and to the engine, (cause that's where the starter is) your equipment is also on this chassis ground...good ground, solid 12 volt power...and that's the best we can do.....keep bein' a funny man...you ALWAYS entertain me~

Thanks guys, glad I can help with the entertainment. I don't meant to ask dumb questions - sometimes it just happens. The installer has checked everything - all is ok. Best guess at this time is when they disconnected the factory antenna wire from the tuner and hooked it into the Kenwood - they bypassed MB factory antenna amplifier built in to the tuner. Don't know if this is the case - but it is the next thing on the checklist. Anyway, thanks for the input

Yeah what was wrong with the MBZ antenna? gonna leave the dead skeleton on board to add to the weight of the car. There are sports car manufacturers who don't have a spare and features are skeletonized for no extra weight, so having this antenna wire that goes nowhere would piss me off, personally~ I know this ain't helping with the analytical tenancies here, but a laugh~~~

No, you missed the point. They disconnected the MB antenna cable from the tuner - which is located behind the drivers seat, and hooked it straight to the Kenwood antenna cable. The factory MD AM/FM and GPS antennas are still in place and hooked up.

ya. okay there, then~ just trying to tease you. the new internet capabilities have layed waste to most other forms of communication...I'll take the old push factory button AM radio, thank you~