Both antennas are powered through the N10/2 rear SAM. Rear SAMs seem to be real suseptable to failures after a battery goes dead or is recharged. Did they run the battery dead while detailing? I'd atleast verify all the fuses in the rear SAM.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician