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Racetronix G7X Injector Harness Hotwire Upgrade
  • SKU: 672-INJ-G7HW

Racetronix G7X Injector Harness Hotwire Upgrade

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This Racetronix upgrade harness supplies alternator-direct power to your injectors when used with our G77 and G77 Hotwire-upgradeable injector harnesses.. While gains can be had with hi-z injectors this harness really starts to shine when used with low-z injectors. The factory wiring system was never meant to support low-z injectors where load resistance can be as low as 0.3 ohms (6 x 2 ohm injectors). Current demands go through the roof as injector duty-cycle increases. The factory wiring system starts to drop major voltage through the positive feed side of the factory harness where all the injectors are wired in parallel. The Racetronix harness works in the same fashion as our fuel pump 'hotwire' harness where the factory supply triggers a heavy-duty relay which in turn supplies + power directly from the alternator through a heavy 10 gauge wire & 30 amp-rated interface connector directly to the load (the factory 7-terminal connector is rated at 14 amps max.).
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