aFe Power SCORCHER 77-44008 User manual

advanced FLOW engineering
Instruction Manual P/N: 77-44008 SCORCHER HD Module
Make: GM Model: Silverado HD/Sierra HD Year: 2015-2016 Engine: V8-6.6L (td)

Label Qty. Description Part Number
A 1 Module R77-44008
B 1 LED Switch 05-70005
C 2 Velcro (2 Inches) 05-01244
D 4 Cable Ties 05-60167
• Please read the entire instruction manual before proceeding.
• Ensure all components listed are present.
• If you are missing any of the components, call customer support at 951-493-7100.
• Ensure you have all necessary tools before proceeding.
• Do not attempt to work on your vehicle when the engine is hot.
• Disconnect the negative battery terminal before proceeding.
• Retain factory parts for future use.
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A
D
C
B

Refer to Figure A for Steps 1-2.
Step 1: Locate the MAP sensor 1 . The MAP sensor is next to the intake manifold
Step 2: Locate the fuel pressure sensor 2 . It is accessible between the firewall and boost tube.
REMOVAL
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Figure A

Refer to Figure B for Steps 3-4.
Step 3: Disconnect the MAP sensor.
Step 4: Locate the MAP sensor jumper harness on the aFe module. This is the longer harness with a red
cable on both connectors. Plug the male connector of the module to the female connector of the
engine harness, then the female connector of the module to the stock map sensor of the
engine.
Note: Make sure connections are fully engaged. Usually, connectors make a snapping sound
when fully engaged.
INSTALL
Figure B
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Refer to Figures C for Steps 5-6.
Step 5: Locate and disconnect the fuel pressure sensor, on the driver’s side of the engine .
Step 6: Locate the fuel pressure sensor jumper harness on the aFe module. This is the shorter harness
with a grey cable on both connectors. Plug the male connector of the module to the stock
fuel pressure sensor, then take the male connector of the module and connect to the female
connector of the engine harness.
Figure C
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INSTALL

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Refer to Figure D for Step 7.
Step 7: Carefully detach the cover below the steering wheel to allow the switch and cable through 3 .
Mount the Switch on an open, flat surface 4 . Route the switch harness and re-attach cover
below steering wheel.
Figure D
INSTALL
3
4

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Refer to Figure E for Step 8.
Step 8: Route the switch cable through firewall and into the engine bay. Follow the main harness through
the grommet into the firewall. Plug the end of the cable to the module.
Figure E
INSTALL

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Refer to Figure F for Step 9.
Step 9: Mount the module in a safe location, using the supplied Velcro strip. Then, secure the wires and
module away from any extreme heat and moving parts, with the provided ties. Make sure all
connections are secured and fully engaged.
Figure F
INSTALL
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Refer to Figure G for Step 10.
Step 10: When turning on the vehicle, the switch will go through the light. It will stop at it’s last setting.
The LED on the switch represents the different level of power.
• Green LED: Stock
• Yellow LED: Sport
• Orange LED: Sport+
• Red LED: Race
Use the grey button to select the desired setting. Power adjustments can be done at any
moment.
Thank you for choosing aFe POWER!
NOTE: Place enclosed CARB EO sticker on or near the device on a smooth, clean surface.
EO identification label is required to pass the smog test inspection.
Figure G
INSTALL
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