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0PB971794
Product Information
Product Information
Wiring Harness For Battery, Starter And Alternator.

The wiring harness for the battery, starter, and alternator is a critical component of the vehicle’s electrical and charging system, designed to deliver reliable power distribution between key electrical components. This harness connects the battery to the starter motor and alternator, ensuring efficient current flow for engine starting and battery charging.

Fits:

  • Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
  • Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
  • Porsche 991.1 R 4.0L (500 Bhp) 2016
  • Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
  • Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
  • Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
  • Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.1 GT3 RS 4.0L 2022-24
  • Porsche 992.2 GT3 2025>>  

Diagram Ref No 8

What This Product Does:

  • Transfers electrical power from the battery to the starter motor
  • Connects the alternator to the battery for charging
  • Ensures stable and efficient current flow between components
  • Supports reliable engine starting and charging system operation

Symptoms Of Wear Or Failure:
  • Difficulty starting the engine or no crank condition
  • Intermittent electrical faults or power loss
  • Battery not charging properly Visible damage, fraying, or corrosion on wiring
  • Burning smell or overheating wiring connections

Why Replacement Matters:
  • Restores reliable power delivery to starter and alternator
  • Ensures proper battery charging and engine starting
  • Prevents electrical faults and intermittent issues
  • Reduces risk of overheating or electrical short circuits
  • Maintains overall vehicle electrical system performance



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB971794
9A160707500

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