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Home >> Dodge and Ram >> 2021 >> ProMaster 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Electronic Control Modules (Service Information)) >> Module, Global Telematics Box >> Installation >> Backup Battery
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Backup Battery

WARNING: This page is about a different car, the 2022 RAM ProMaster 3500, 2022 RAM ProMaster 2500, and 2022 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.
GC0191014Courtesy of CHRYSLER GROUP, LLC
  1. Install the backup battery (2) into the TBM2 (1).
  2. Install the backup battery cover (3).
  3. Install the TBM2. Refer to MODULE, GLOBAL TELEMATICS BOX, INSTALLATION .
  4. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
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