1994-1997 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved DODGE RAM 12V CUMMINS 2 Pyrometer EGT Gauge Installation SECTION 2 Warning: Make sure the exhaust is cooled off before starting this process. 1. 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. 2. 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. 3. Starting with a 1/8” drill bit, drill a pilot hole into the exhaust manifold. Continue increasing the size of the pilot hole using various drill bits until you reach size R. 4. Using cutting oil, tap the hole to 1/8-27 NPT. 5. Ensure all shavings are out of the manifold by periodically using a vacuum and a pen magnet to remove them. Warning: Failure to remove metal shavings can result in possible engine damage. 6. Apply anti-seize to the threads of the EGT ferrule fitting and thread the fitting into the exhaust manifold. Tighten the fitting with a 14mm wrench. 7. Install the gauge’s EGT Probe into the Ferrule Fitting Adapter, ensuring the sensor is positioned approximately halfway into the manifold. Tighten using a 14mm wrench. Note: Do not overtighten the ferrule fitting. 8. Plug the EGT Sensor Harness into the EGT Sensor. 9. Route the EGT Sensor Harness to an opening on the firewall on the driver’s side of the engine bay and use Zip Ties to secure. Make sure there is no contact with any direct heat source or moving parts. 3. 4. 6.
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