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Installation Instructions

Ford Powerstroke 6.7L Stealth Module
(2011-2019)

Index

Included With Purchase

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


Video Installation



Step by Step Instructions

Be sure your truck has been off, with the hood unlatched and key fob located away from the vehicle for at least 15 minutes before installing the module. Key fob needs to continue to stay away from the vehicle for the entire installation process. This allows the computer to 'sleep' and for your engine compartment to cool down. It also helps mitigate your ECM from detecting an interruption in a sensors electrical circuit.

Step 1

Locate and disconnect MAP sensor.

Step 2

Connect the modules MAP portion of the harness inline with your factory engine harness. One connector will go to the MAP sensor and the other connects to the factory harness.

Step 3

Locate the fuel pressure on the driver's side of the engine to the right of the alternator.

Step 4

Disconnect plug from the fuel sensor. Plug the module's male connector into the truck's female connector.

Step 5

Plug the module's female connector into the fuel sensor. Tug on each connector and make sure they are snapped over the sloped tab.

Step 6

Ensure connectors fit snugly and loose wires are tucked away.


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.


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 us at (888) 613-4304

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