Mk6ix Fuel Pump Upgrade Harness (MK5 MK6 TSI TFSI)
Mk6ix Fuel Pump Upgrade Harness (MK5 MK6 TSI TFSI)
Mk6ix Fuel Pump Upgrade Harness (MK5 MK6 TSI TFSI)
Mk6ix Fuel Pump Upgrade Harness (MK5 MK6 TSI TFSI)

Mk6ix Fuel Pump Upgrade Harness (MK5 MK6 TSI TFSI)

$120.00
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  • Made to order (5-10 business day production time)

This harness adds a secondary ground and an inline fuse to support higher-load fuel pumps on TFSI and TSI platforms. It connects directly into the factory fuel pump wiring to provide a stronger ground path, preventing the main return wire from overheating under heavy load.

This product is made to order and typically has a 5-10 day production time. It will ship directly from the supplier.

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Features

  • Plug and play connection, no cutting or splicing required
  • Adds a secondary ground to offload current from the factory ground circuit
  • Includes an inline fuse for added circuit protection
  • Built using OEM connectors and proper automotive-grade wire gauge

Fitment

  • Designed for MK5 and MK6 TFSI / TSI platforms
  • Compatible with both factory and aftermarket in-tank fuel pumps
  • Controlled entirely through the factory fuel pump controller, no coding or configuration needed

Why Use This Harness

High-output fuel pumps draw more current than the stock wiring was designed for. This harness provides a dedicated ground path to reduce voltage drop, protect the factory wiring, and maintain stable fuel delivery without modifying the OEM circuit.

Notes

  • Connect the secondary ground to a clean, bare-metal chassis point
  • Ensure the inline fuse is fully seated before installation
  • This harness does not modify or bypass the factory fuel pump controller

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