2010-2018 INSTALLATION GUIDE 3 GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved RAM 6.7L CUMMINS Transmission Temp Gauge Installation SECTION 3 We install the Transmission Temperature Gauge using a 1/2” Transmission Line T-Fitting Adapter: Warning : Be sure that the transmission is cool before removing the transmission cooler line. 1. Safely jack up the truck, if not raised already. Have a Drain Pan available for any fluid that will leak. 2. Using a 20mm and 24mm Wrench, loosen the transmission hot side cooler line. Note: The line is on the passenger side of the transmission. 3. Using a Pick Tool, remove the retaining clip and then remove the trans cooler line which leads to the “hot side.” 4. While the fluid is draining out of the line, hold up the T-Fitting Adapter to check for clearance. 5. Using a Marker, mark the cooler line where you will cut to remove approximately 1-7/8” of the line. Use the Pipe Cutter to cut the line where you have made your marks and then deburr the cut ends. Insert the nut and cutting ring onto the line where you have just made your cut and repeat on the other side. Note: Be sure to clean out any loose material from the line. 6. Install the cooler line T-fitting female compression nuts over each end of the cut line. Then place the metal cutting rings over each end of the cooler line. 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. 8. Hold the body of the T-fitting with a Wrench and hand tighten each compression nut. Then tighten 1-1/4 more turns with a 7/8” and a 22mm Wrench to ensure proper sealing of the cutting rings. 9. Reinstall the line fitting with the T-Fitting Adapter attached and refill the transmission with up to 4 quarts of proper grade Transmission Fluid. Note: Check the dipstick to ensure the proper amount of fluid is in the transmission. Wiring the Transmission Temperature Gauge: 1. Connect the signal wire of the gauge to the white wire of the temperature sensor and connect the black wire of the sensor to any reliable grounding location. 2. Route the wires up to the firewall to the driver side of the engine bay and use Zip Ties to secure the sensor wires. Ensure there is no contact with any direct heat source or moving parts. 3. 6A. 6B. PROPER ORIENTATION
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