I plan to replace the AC Aux Fan wiring harness on my ML 430. My first step will be disconnecting the battery. What, if any, reprogamming will I need to go through after I reconnect the battery?

Thank you,

Jim Herold

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Jim Herold--Current: 1987 190E 16V, 1999 ML 430--Past: 1971 280 SL, 1972 250