2000-2006 INSTALLATION GUIDE 1 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved GMC SIERRA CHEVY SILVERADO DURAMAX Disclaimer: In order to install a fuel pressure gauge an aftermarket lift pump must be installed as the factory fuel system operates under a vacuum. • Check that you have all parts required for installation, and that the engine is cool. • Open the hood and locate the truck’s two batteries. Disconnect the negative terminal of each battery, using an 8mm Wrench, to ensure there is no power running through the truck during the installation. Note: When it comes time to wire and connect the gauges to their power source, you will be able to reconnect the negative terminals on the batteries. Note: Before starting remove the factory intake pipe using a Flat Head Screwdriver. A: Boost T-Fitting Adapter 1. Locate the wastegate actuator hose and cut it in half using Hose Cutters. 2. Insert the T-Fitting along with the supplied hose clamps. 3. Tighten the hose clamps using a Flat Head Screwdriver. 4. Wrap teflon tape around the 1/8-27 NPT threads of the boost line adapter and install into the 1/8-27 NPT port using an 11mm Wrench. 5. Slide the Ferrule Fitting Cap and Ferrule onto the Boost Line. (Refer to diagram) 6. Insert the line into the Ferrule Fitting Adapter and tighten with a 3/8” wrench. Note: Do not overtighten the Ferrule Fitting. 7. Reinstall the factory intake pipe using a Flat Head Screwdriver. 8. Route the boost line up to the location of the firewall where you will be passing the wires into the cab. Be sure not to pinch or crimp the line and keep it away from moving parts and heat using Zip Ties. PROPER ORIENTATION Boost Gauge Installation SECTION � A1. A2.
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