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Home >> Mercedes Benz >> 1990 >> 300SL Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Electrical System, Equipment & Instructions -- 129 Chassis >> Testing & Repair >> Check quiescent current consumption - AR54.10-P-1030AB >> Preparing test with quiescent current retention device - AR54.10-P-1030-01AB

Preparing test with quiescent current retention device - AR54.10-P-1030-01AB

Models 202, 208, 129 

Fig 1: Identifying Electrical Connection Set (201 589 00 99 00)
G04686600
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Number Designation
WH58.30-Z-1001-09A Multimeter
WH58.30-Z-1012-09A Quiescent current retention unit

Illustrated on model 202 

  1. Connect quiescent current retention device (7) as follows:
    • Connect positive lead terminal (+) to positive pole on battery.
    • Connect negative terminal (-) to battery ground (W10).
  2. Switch on quiescent current retention device (7).
    Fig 2: Identifying Quiescent Current Retention Device
    G04686601
  3. Disconnect negative pole terminal (1) on battery.
  4. Connect multimeter (2) as follows using "electrical connection set":
    • Connect positive (+) test cable to battery negative lead (1).
    • Connect negative (-) test cable to battery negative pole (3).
      Fig 3: Identifying Battery Ground Point
      G04686602
  5. Switch on multimeter (2) (amperes range).
  6. Switch off quiescent current retention device (7) and disconnect.
  7. Route test cable (6) to right out of trunk or cargo area.
  8. Close trunk lid.
    Fig 4: Switching On Multimeter
    G04686603