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1985 300D
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129 Posts
Discussion Starter · #1 ·
Hello everyone. I was hoping someone in here could help me. I am trying to install an aftermarket head unit in my '84 300SD. I have sorted out the power supplies and got the new unit to power up, but I hae no idea what this wire is. The only thing I can think of is maybe the power for the antenna??? Anyone know?
 

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Registered
1985 300D
Joined
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129 Posts
Discussion Starter · #2 ·
Ok, it turned out having something to do with the antenna. When I unplugged it, the antenna would not go up. My buddy installed the new radio for me and it works fine, so whatever he attached that wire to worked.
 
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