INSTALLATION GUIDE 14-19 CHEVY/GMC DURAMAX 2014-2019
2014-2019 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX TABLE OF CONTENTS SECTION 1 Boost Gauge Installation 1 SECTION 2 Pyrometer EGT Gauge Installation 2 SECTION 3 Transmission Temp Gauge Installation 4 SECTION 4 Fuel Pressure Gauge Installation 6 SECTION 5 Installing The Pillar Pod 7 SECTION 6 Connecting To Power 9 • Safety Glasses & Gloves • Assorted Wrenches • Socket Set • Flat Head Screwdriver • Phillips Screwdriver • Center Punch • Marker • Drill & Drill Bits • Tap Handle • Multi-Meter/Test Light • Wire Strippers & Crimper • Panel Pop Tool • Cutting Oil • Pick Tool • 3 Gauge Wiring Kit • 3/8” Quick-Connect EFI Fuel Line Adapter • Transmission Test Port Adapter for GM Duramax Allison 1000 • Transmission Line T-Fitting Adapter for GM Duramax Allison 1000 • Zip Ties • Grommet • Drain Pan • Teflon Tape • Wire Connectors • Anti-Seize • Transmission Fluid • Shop Vacuum • Pen Magnet • 5mm Allen key • 1-1/2” Hole Saw • Pipe Cutter • De-burring Tool • Tape Measure • Expandable Circuit Kit • 1/8-27 NPT Drill and Tap set • 18’ Pressure Gauge Sensor Harness TOOLS & ACCESSORIES NOT INCLUDED OPTIONAL ADD-ONS AND ADAPTERS SOLD SEPARATELY AT GLOWSHIFT.COM GlowShift Installation Guides are designed so that you don’t need to be a professional mechanic to install our products. Whether you’re a beginner or a seasoned pro, we’ll walk any Do-It-Yourselfer through every step of the process for installing our gauges, gauge pods and accessories. This custom gauge package is a popular combination gauge and pod set for the 2014-2019 Chevrolet Silverado & GMC Sierra with a 6.6 Duramax. Before getting started, confirm you have the tools and accessories below and let’s get to work. For MaxTow® Gauges, the wire colors on the gauge power harnesses are different than what appears in this installation guide. Additionally, for the Boost Gauge, please follow the same steps but instead of installing the brass compression fittings and boost line, thread the 1/8-27 NPT boost sensor into your desired location and tighten with a 22mm Wrench. Please note that in some applications additional adapters may also be required. Wiring Schematic Red: 12v Constant Source (+) White: 12v Ignition Switched Source (+) Orange: 12v Headlight Switched Source (+) Black: Vehicle/Engine Ground (-) CHECK OUT THE FULL INSTALL VIDEO FOR THIS DURAMAX: GLOWSHIFT.COM/1419DMAX
2014-2019 INSTALLATION GUIDE 1 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX Boost Gauge Installation SECTION � PREPARING THE INSTALLATION • Check that you have all parts required for installation, and that the engine is cool. • Open the hood and locate the truck’s batteries. Using an 8mm Wrench, disconnect the negative terminal of each battery 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. 1. Using a flat head screwdriver, remove the Air Intake Pipe to gain access to the Intake Manifold. Locate an open area in order to install the Boost Line. 2. Starting with a 1/8” drill bit, drill a pilot hole. Continue increasing the size of the pilot hole using various drill bits until you reach size R. 3. Tap the hole to 1/8-27 NPT. 4. Thoroughly clean the manifold to remove any metal shavings using a shop vacuum. Note: Failure to remove metal shavings can result in possible engine damage. 5. Wrap Teflon Tape around the 1/8-27 NPT male threads of the Boost Line Adapter. 6. Tighten the Boost Line Adapter into the Intake Manifold using an 11mm wrench. 7. Reinstall the air intake pipe. 8. Slide the Ferrule Fitting Cap and Ferrule onto the Boost Line. (Refer to diagram) 9. Insert the line into the Ferrule Fitting Adapter and tighten with a 3/8” wrench. Note: Do not overtighten the Ferrule Fitting. 10. Route the Boost Line 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 of the truck. 2. 9. PROPER ORIENTATION
2014-2019 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 2 Pyrometer EGT Gauge Installation SECTION 2 Warning: Make sure the exhaust is cooled off during this process. 1. We are going to install the EGT probe in a preturbo location on the manifold to ensure the most accurate readings. Installing the EGT probe further downstream can display a lower temperature reading on the gauge. 2. Remove the front passenger wheel and the inner wheel well liner using a T-15 Torx Bit to remove the wheel well liner. 3. Using a 17mm wrench, remove the stock EGT sensor from the passenger side Exhaust Manifold. 4. Using a 10mm socket and wrench, remove the two rear heat shields on the Exhaust Manifold. 5. With the heat shields removed, locate an open area in front of the collector on the passenger side Exhaust Manifold. 6. Mark the manifold using a Center Punch to prepare the drilling and tapping process. 7. 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 size R. Note: Clean the manifold with a pen magnet and shop vacuum to ensure no shavings are present in the manifold. 8. 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 shop vacuum to remove all shavings. 2. 4. 7.
2014-2019 INSTALLATION GUIDE 3 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 9. Using a 14mm wrench, slowly thread the ferrule fitting adapter into the 1/8-27 NPT hole you just tapped and tighten until snug. 10. Loosely install the rear heat shield and tap around the ferrule fitting adapter with a hammer to make a mark on the inside of the heat shield. 11. Use a 1-1/2” hole saw to cut into the heat shield to create more space for installation of the probe. 12. Reinstall both heat shields that were removed. 13. Reinstall the factory EGT sensor using a 17mm wrench. 14. 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. Note: Do not overtighten the ferrule fitting. We also recommend using anti-seize on all EGT probe threads. 15. Plug the EGT probe into the EGT sensor harness and route the EGT harness up to the location of the firewall where you will be passing through into the cab. Be sure not to pinch or crimp the line and keep it away from moving parts and any direct heat sources using zip ties. 16. Reinstall the inner wheel well liner using a T-15 Torx Bit. 17. Then reinstall the wheel and tighten to factory specifications. 15. 9. 11.
2014-2019 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 4 Trans Temp Gauge Install Warning: Be sure that the transmission is cool before removing the transmission cooler line. Using an Inline T-Fitting Adapter 1. Safely jack up the truck, if not raised already. Locate the cooler feed line on the passenger side of the transmission housing. Note: The lower line is the cooler feed line and the upper line is the return line from the cooler. 2. Using a Pick Tool, release the plastic retaining clip cover and slide it out of the way. Release and remove the retaining clip from the transmission. Slide the line out of the transmission case and drain the fluid from the line. Note: Use a drain pan to catch the fluid. 3. Measure and mark the location where you would like to install the T-Fitting. Cut 1-7/8” out of the cooler feed line with a Pipe Cutter (make sure to always use a new blade). Note: You can also remove the cooler feed line entirely from the truck and cut it on a work bench. If the cooler feed line is removed from the truck, up to 4 quarts of transmission fluid will need to be drained from the system and must be refilled with fresh transmission fluid once the T-Fitting has been installed. 4. Deburr both ends of the cut line with a Deburring Tool to ensure a proper fit of the T-Fitting onto the cooler feed line. 5. Install the cooler line T-Fitting’s female fittings over each end of the cut line. Then, place the metal cutting rings over each end of the cooler line. (Refer to diagram) 6. Hold the body of the T-Fitting with a 24mm wrench and hand-tighten each nut. Then, tighten one and one-quarter more turns with a 26mm wrench to ensure proper sealing of the cutting rings. SECTION 3 7. Now you can install the 1/8-27 NPT temperature sensor into the port on the T-Fitting housing. Note: Be sure to use Teflon Tape on the threads of the temperature sensor to prevent any leaks. Note: Check the dipstick to ensure the proper amount of fluid is in the transmission according to manufacturer’s specifications. 3. 6. PROPER ORIENTATION
2014-2019 INSTALLATION GUIDE 5 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX Using an Allison 1000 Transmission Test Port Adapter 8. Safely jack up the truck, if not raised already. Locate and remove the factory plug from the bell housing located next to the spin-on transmission filter using a 15mm Socket. Note: Have a drain pan ready to catch any fluid loss. 9. Wrap Teflon Tape on the male threads of the sensor. Thread the sensor into the test port extender adapter and tighten using 14mm wrenches. 10. Thread the test port extender with the sensor attached into the transmission test port and tighten using a 14mm wrench. Finalizing the Transmission Temperature Gauge 11. Connect the signal wire of the gauge to the white wire of the temperature sensor and connect the black wire of the sensor to an 18ga automotive grade wire using the supplied crimp-on barrel connectors. 12. Route the transmission temperature sensor signal and ground wires up to the location of the firewall where you will be passing through into the cab. Be sure not to pinch or crimp the wires and keep them away from moving parts and any direct heat sources using zip ties. 13. Connect an eyelet terminal to the end of the transmission temperature sensor ground wire and secure to the grounding post on the firewall using a 10mm socket. Optional: Lower the vehicle if it was raised. 14. Top off the transmission fluid to factory specifications and check for leaks. Note: Refer to the vehicle’s repair manual as fluid check procedures may vary. 13. 10. 11.
2014-2019 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 6 Note: The fuel pressure sensor must be installed into a 1/8-27 NPT port. Optional adapters are available on GlowShift.com or pressure test ports are available on most aftermarket lift pumps. 1. Install the fuel pressure sensor into the optional 3/8” quick disconnect adapter and tighten with a 21mm wrench. 2. Wrap Teflon Tape around the threaded port plug, and thread into the adapter using a 5mm allen key. 3. On the driver’s side under the vehicle, right in front of the fuel cooler, locate the 3/8” quick disconnect connector that feeds into the exhaust. 4. Install the 3/8” quick-disconnect adapter into the fuel line and tighten with a 21mm wrench. 5. Using the optional 18’ sensor harness, plug in the fuel pressure sensor and route up to the location of the firewall where you will be passing through into the cab. Be sure not to pinch or crimp the harness and keep it away from moving parts and any direct heat sources using zip ties. Fuel Pressure Gauge Installation SECTION 4 1. 3. 4.
2014-2019 INSTALLATION GUIDE 7 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 1. 2. 9. 1. Carefully remove the factory trim from the truck by removing the bolt covers with a flat blade screwdriver and remove the two 10mm pillar retaining bolts. 2. Wrap Teflon Tape around the brass fitting on the back of the boost gauge, then attach the brass fitting using a 13mm wrench. Note: Do not overtighten. 3. Mount the gauges in the triple pillar gauge pod in any configuration you prefer. There is no specific order required. 4. Feed the wires from each gauge into the pillar pod. 5. If you are using the optional 3 Gauge Wiring Kit, attach all of the wires together. 6. Connect all of the yellow wires using a crimp connector. 7. Connect all of the red wires using a crimp connector. 8. Connect all of the orange wires using a crimp connector. This enables the dimming function that will lower the brightness of your gauges 30% for easier viewing when driving at night. 9. Connect all of the black wires using a crimp connector. 10. Secure all wires with zip ties. 11. Using a 10mm socket, remove the 3 nuts that are holding the module under the dash in the driver footwell area in order to gain access to the firewall. Unplug all of the plugs on the front and back of it. 12. Cut the nipple on the main harness pass-through grommet which is located under the master cylinder in the engine bay. 13. Route the sensor wires and boost line through the firewall, into the cab of the truck, and up to the gauges, keeping clear of any moving parts. Installing The Pillar Pod SECTION 5
2014-2019 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 8 14. Insert the boost line into the Ferrule Fitting Adapter, thread onto the back of the gauge and tighten with a 3/8” Wrench. (Refer to diagram below) Note: Do not overtighten the Ferrule Fitting. 15. Plug the EGT Sensor Harness into the back of the EGT Gauge. (If used) 16. Splice the green signal wire from the Transmission Temperature Gauge to the white signal wire from the sensor. (If used) 17. Plug the Fuel Pressure Sensor Harness into the back of the Fuel Pressure Gauge. (If used) 18. Insert the supplied plastic clip into the upper oval hole of the truck cab where the spring clip was secured. 19. Mount the pillar pod to the truck cab A-pillar, securing it with the supplied pillar mounting screw and a Phillips head screwdriver. 20. Route the power and ground wires to the fuse box under the hood on the drivers side, making sure to pass through the grommet in the firewall. PROPER ORIENTATION 19. 15. 18.
2014-2019 INSTALLATION GUIDE 9 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved CHEVY / GMC DURAMAX 1. Reconnect the negative terminals of the two batteries to prepare power for the gauges and to test the fuses for power with a test light or multimeter. 2. Attach the Micro II Expandable Circuits to the yellow wire and the red wires and attach the Mini Expandable Circuit to the orange wire. 3. Connect the black wire to a reliable, clean, and unpainted ground source. There is an 8mm grounding screw on the firewall where the ground was connected for the transmission temperature sensor. 4. Connect the constant yellow wire to the 20amp Micro2 #19 fuse inside the fuse box. 5. Connect the ignition switched red wire to the 10amp Micro2 #34 fuse inside the fuse box. 6. Connect the headlamp switched orange wire to the 20amp Mini #15 fuse inside the fuse box. 7. Power up the truck to see if the gauges are functioning properly and check for any leaks or loose sensor connections. With the vehicle running, cycle through the gears to help the transmission fluid circulate through the transmission. Top off any fluids if necessary. 8. Press the Color Change Button on the gauges to ensure they are working correctly. Note: MaxTow Gauges do not change colors. The button on the front of the gauge allows you to change the 3 Daytime and 3 Nighttime Brightness Levels. 9. Test drive your vehicle to ensure all gauges are functioning properly. Note: The Boost Gauge will only read while driving. Connecting To Power SECTION 6 4-6.a #19 #15 #34 4-6.b 7.
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