2010-2018 INSTALLATION GUIDE GlowShift.com © GlowShift Gauges, LLC | All Rights Reserved RAM 6.7L CUMMINS 6 2010-2012 RAM RAIL PRESSURE 1. The Fuel Rail Pressure Sensor Connector is located on the driver’s side of the engine bay on the back of the fuel rail. 2. Unplug the connector by releasing the clip. 3. Splice the green signal wire from the gauge to the brown and yellow wire of the fuel rail pressure harness, with a splice connector. 4. Splice the long black ground wire from the gauge to the brown and orange wire of the fuel rail pressure harness, with a splice connector. 5. Plug the sensor harness back in. Optional: To make the installation easier, there is an available Inline Pigtail Harness for some models on www. GlowShift.com. Simply unplug your 3-wire Fuel Rail Pressure Harness from the sensor and connect GlowShift’s Fuel Rail Pressure Gauge Wiring Harness, allowing you to keep your factory wiring intact. Once all of the connections are made, splice the 2 pigtail wires to the gauge harness: Green to Green and Black to Black. 6. Both switches on the back of the gauge should be in the Down position. Note: Be sure to unplug the gauge before moving the switches. 2013-2018 RAM RAIL PRESSURE 1. The Fuel Rail Pressure Sensor Connector is located on the driver’s side of the engine bay on the back of the fuel rail. 2. You can gain access to it from under the vehicle. There is an engine hoist mount that is partially in the way and may make it hard for you to remove the connector from the sensor. If you cannot release the clip you can loosen the hoist mount from the top using a 15mm Socket and Swivel Adapter. 3. Splice the green signal wire to pin # 5 which is a brown and yellow wire (FRP SENSOR SIGNAL 1) with a splice connector. 4. Splice the black ground wire to pin # 2 which is a dark blue and pink wire (SENSOR RETURN) with a splice connector. 5. Plug the sensor harness back in. 6. Reinstall the engine hoist mount if it was removed. 7. Both switches on the back of the gauge should be in the UP position. Note: Be sure to unplug the gauge before moving the switches. Rail Pressure Gauge Installation SECTION 5 5. OPTIONAL: FOR 10-12 RAM ONLY 3.—4. Cummins Signal Wire GroundWire Switch Position 07-12 (6.7) Brown/Yellow Brown/Orange Both Switches in DOWN position 13-18 (6.7) Brown/Yellow Dark Blue/ Pink Both Switches in UP position 19 (6.7) Brown/Yellow Dark Blue/Black Both Switches in UP position
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