1998.5-2002 INSTALLATION GUIDE 3 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved DODGE RAM 24V 5.9L CUMMINS Pyrometer/EGT Gauge Installation SECTION 2 4. 5. 8. 1. Make sure the exhaust is cooled off before starting this process. 2. We are going to install the EGT probe in a pre-turbo location on the manifold to ensure the most accurate readings. Installing the EGT probe to any other location can cause significantly inaccurate readings. Optional: To install the EGT probe, we are going to use GlowShift’s Drill and Tap Kit. 3. Locate the exhaust manifold on the passenger side of the engine bay. You will see there is a collector between cylinder 4 and 5. Using a Center Punch, mark the location on the manifold where you are going to drill a hole for the EGT Probe. The hole’s location should be on the left side of the collector closer to cylinder 5. Note: There is a divider in the middle, so you will need to drill off to the side to ensure that it is an unobstructed hole. 4. Starting with a 1/8” Drill Bit, drill your pilot hole into the manifold and gradually step up in drill bit size until you reach the size R drill bit. Note: Clean the manifold with a Pen Magnet and Vacuum to ensure no shavings are present in the manifold. 5. Take the 1/8-27 NPT Tap and slowly tap the size R hole in the manifold using cutting oil. Again, clean the manifold with a Pen Magnet and Vacuum to remove all shavings. 6. We recommend using anti-seize on all EGT probe threads. Using a 14mm Wrench, slowly thread the ferrule fitting adapter into the 1/8-27 NPT hole you just tapped and tighten until snug. Note: Do not overtighten the ferrule fitting. 7. Slide the EGT probe into the ferrule fitting adapter and tighten until snug using a 14mm Wrench. Note: Probe depth should be in the center of the manifold. 8. Now that the EGT probe is installed, run the lead wires up to the firewall to the driver side of the engine bay and secure the wires using Zip Ties to ensure there is no contact with any direct heat source or moving parts of the truck.