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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1967 (Hybrid Energy Storage System - 2.4L (Hp7)) >> Repair Instructions >> Generator Battery Disconnect Control Module Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: To help avoid personal injury, be careful when working in the vicinity of the generator battery disconnect control module. Internal components will still be live, 36V potential, even when the cover has been opened or removed.
  1. Disconnect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .
  2. Remove the generator battery carrier. Refer to Generator Battery Carrier Replacement .
    3. Fig 1: Locating Generator Battery Cover Components
    GM1831947Courtesy of GENERAL MOTORS CORP.
  3. Remove the 2 generator battery fan bolts (2).
  4. Remove the 12 generator battery cover bolts (1).
  5. Remove the generator battery wiring harness from the clip (3) on the generator battery cover.
    6. Fig 2: View Of Generator Battery Cover
    GM1831948Courtesy of GENERAL MOTORS CORP.
  6. Remove the generator battery cover.
    7. Fig 3: Locating Generator Battery Components
    GM1864889Courtesy of GENERAL MOTORS CORP.
    NOTE: Removing the interconnect cables will disable the 36 volts within the generator battery control module.
  7. Remove the generator battery terminal covers (1).
  8. Remove the generator battery cable nuts (2).
  9. Remove the generator battery cable leads (3, 4, 5) from the batteries.
  10. Remove the 3 small wire terminal leads located under the battery cable leads from the batteries.
    11. Fig 4: Generator Battery Control Module Nut
    GM1998864Courtesy of GENERAL MOTORS CORP.
  11. Remove the generator battery control module nut (1), and the battery cable (2) from the stud.
  12. Remove the generator battery control module nut (3), and the battery cable (4) from the stud.
  13. Disconnect the generator battery control module electrical connectors (5, 6).
    14. Fig 5: Generator Battery Control Module
    GM1998867Courtesy of GENERAL MOTORS CORP.
  14. Remove the generator battery control module bolts (1).
  15. Remove the generator battery control module (2).
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