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GlowShift Fuel Rail Pressure Gauge Wiring Harnesses for the 2002-2016 GM Duramax 1500, 2500HD & 3500HD install directly to the fuel rail pressure sensor for a clean installation without splicing into factory wiring. Designed for Chevy Silverado and GMC Sierra trucks in the year range, simply disconnect the rail pressure harness connector and plug in the new rail pressure pigtail harness into the factory sensor and sensor harness. Connect the green and black wires from the fuel rail pressure gauge harness to the matching wires on the 6.6 Duramax wiring harness and you’re set.
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Includes an installation guide which is available online and included with your order. You can also visit our library of installation videos which include complete step-by-step tutorials and useful tips on how to install a wide range of GlowShift products.
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