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Installation Instructions for Ram Cummins 6.7L Stealth Module (2007.5-2012 Non-DEF)

Included With Purchase

(1x) Stealth Module
(1x) Wire harness with fuel rail sensor connections
(2x) Zip ties
(2x) FPRV shim washers
(1x) Disassembly nut
(1x) Install instructions
(1x) Selector switch if purchased

 Tools Needed

18mm box wrench
10mm socket
Vice
Crescent wrench
Hammer
Ratchet
11mm deep well socket for the EGR valve cross over tube
Small punch

 Video Installation

 Step by Step Instructions

Be sure your truck has been off for at least 10 minutes before installing the module to allow computer to "sleep" and for your engine compartment to cool down. This way it will not detect an interruption when you unplug your sensor.

First Option

Step 1:

Locate the fuel pressure sensor. It is located on the back of the fuel rail on the driver's side.

Step 2:

Disconnect plug from the fuel sensor. Plug male connector of module's fuel sensor plug into the truck's female connector. Next, plug female end of the modules sensor. Make sure the white arrow points to where the clip connects.

Step 3:

Push each connection firmly to ensure complete connection

Step 4:

Mount module away from the hot and/or moving parts. Zip ties are provided.

Truck Fuel Sensor

Note: If you are having difficulty with the fuel pressure sensor plug on your fuel rail, practice plugging the harness plugs into themselves to get a feel for how the plug operates and locks.

Step 5:

Fuel Pressure Relief Valve Shim Kit Installation

WARNING: Be sure the truck has been turned off for over 15 minutes, the fuel rail contains high-pressure fuel and if ample time is not given to let the fuel pressure bleed off, serious injury or damage to the vehicle can occur. Please wear the proper protective equipment when removing the FPRV valve. (safety glasses, gloves)


How The Selector Switch Works

The dial going clockwise:

Stock - Low - Medium - High

Low: Towing heavy and low traction situations.

Medium: Moderate towing and ideal for everyday driving situations.

High: Maximum performance - ideal for empty highway cruising.

The switch must remain plugged in to stay in the desired setting. You can run the switch into the cab or leave it tied up under the hood. Leave in one setting as much as possible.

Everyone has different driving preferences, it’s suggested that you try each setting for at least a week to see what you prefer.

If You Get a Check Engine Light or Hard Start Upon Installation:

Please check the connection between the truck’s wire harness and the module’s female plug and ensure it was connected properly. Improper installation will cause a CEL/hard starting.

 Proper Harness Connection

Remove The Module Before Service Work

If you need to take your vehicle in for service work, REMOVE the module before work is performed.

If you have any issues, please contact our Technical Support or call (888) 613-4304

Send photos of your truck and your feedback!