Is the original antenna wiring harness intact (5-pin connector)? Has the hole in the body been altered for your current antenna? Original antenna wire (coax-style) intact?

If the answer is yes to all those questions, then you should be able to get the OEM Hirschmann installed and functioning.

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-justin

1987 300TD, 1987 300TD
2008 R32, 2000 Passat Wagon