Antenna 92 300D 2.5 Turbo

Where does the antenna power wire connect to the back of original Becker radio? Previous owner forgot to hook it back up after servicing climate control. I don't see any unconnected leads behind radio. What does the antenna lead look like and where does it connect to get it's power? The antenna coax is hooked up just fine but the mast won't extend. Previous owner say's antenna is fine just needs to be reconnected to it's power source. Where and how? The radio works fine but I can't pickup any stations like this. Running out of songs to sing. Help! Thanks Roscoe

[Benzmac]

Blue single wire. It is covered by some shrink tubing, but at the end, you can see some blue. Most of the time I see it put on the ground by mistake in the center bottom of the radio. Remove it and put it at the top left corner.

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Benzmac:
Donnie Drummonds
1991 GMC Syclone
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM