Don't know. Possibly. All I know is that my problem has been so rare and intermittent I have not yet chased it down further at this time. Just like my blinker/hazard relay.

Check if the behavior is moisture related. Seems to be with me....

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Henry Bofinger
1989 560 SEL (black/black)
2001 Audi TT Roadster (silver/grey)