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Volvo Penta — Starting with auxiliary batteries

Operation · Electrical system

From a Volvo Penta operator's manual covering: EDC 4, TAD722GE, TD520GE, TD720GE. Check it applies to your exact model before use.

Applies to: Volvo Penta TAD722GE, Volvo Penta TD520GE, Volvo Penta TD720GE

Before you start

  • Do not move connections when attempting to start (risk of arcing)
  • Ordinary cables to standard batteries must not be loosened on any condition

Procedure

  1. Check auxiliary batteries connected so rated voltage corresponds to engine system voltage
  2. Connect red (+) jumper cable to auxiliary battery, then to flat battery
  3. Connect black (-) jumper cable to auxiliary battery, then to a place some distance from flat batteries
  4. Start the engine
  5. Remove jumper cables in reverse order from installation

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: Volvo Penta operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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