07-13 GM Duramax Install Gauge Install Guide for Chevy Silverado and GMC Sierra Duramax

2007-2013 INSTALLATION GUIDE GMC SIERRA CHEVY SILVERADO DURAMAX 3 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved Fuel Pressure Gauge Installation SECTION 3 1. 2. 1. Remove the test port from the aftermarket lift pump. 2. Thread in the pressure sensor using a 22mm Wrench. 3. Route the sensor harness forward towards the firewall where it will be passing through into the cab and secure with Zip-Ties. Make sure there is no contact with any direct heat source or moving parts. Note: An aftermarket lift pump must be installed in order to read fuel pressure. Note: If a lift pump is mounted on the rear of the truck, an 18’ Extended Pressure Sensor Harness will be required to install the sensor. This can be purchased at GlowShift.com 18’ Extended Pressure Sensor Harness