MX-5 Miata L4-1.8L DOHC (1996)
11.
Check for an open circuit or short to ground in the wiring harness between the audio unit (terminal D in the 12-pin connector) and the power
antenna relay (terminal A of the 9-pin connector)
^
If an open circuit or short to ground exists, repair and retest the antenna operation. If no problems are found, replace the audio unit.
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