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August 23, 2020 

 

1

COMPUSHIFT 

SPORT 

COMPUSHIFT 

PRO

 

INSTALLATION GUIDE 

 

Congratulations on your purchase of COMPUSHIFT

 – HGM Automotive Electronics’ next-

generation precision shift controller.  

The sturdy COMPUSHIFT housing is water resistant to 3’ / 1m. Though we prefer you mount 

inside

 the 

vehicle, the controller can be mounted in the engine compartment or even under the vehicle, provided 
it is away from heat sources. Plug-and-play connections and versatile factory tuning make installation a 
breeze. 

This guide takes you through the basic steps for installing your transmission controller.  

For more details, including How-To videos, specifications, pinout information and more, go online: 

http://manuals.hgmelectronics.com

 

We’re Here to Help 

If you purchased directly from HGM, your COMPUSHIFT is calibrated to your unique vehicle specs, but 
be sure to ask for help if you need it. Throughout installation, we

ll work with you over the phone 

– 

we 

can even take remote control of your system 

– 

to help you fine-tune to perfection. As you get to know 

your system, we

ll make sure you know how to make changes on your own, so you can manage your 

own adjustments like a pro. 

 

HGM Automotive Electronics  

2751 Plaza Del Amo, Suite 305 
Torrance, CA, U.S.A. 90503 
 

877-SHIFT-UP (877-744-3887)

 

[email protected] 

 

 

Summary of Contents for COMPUSHIFT PRO

Page 1: ...r installing your transmission controller For more details including How To videos specifications pinout information and more go online http manuals hgmelectronics com We re Here to Help If you purcha...

Page 2: ...tion 3 Assemble Your Tools Here s all you ll need for most installations No 2 Phillips screwdriver 1 8 or 3 16 flat blade screwdrivers Drill and small drill bit assortment Socket open end wrench assor...

Page 3: ...August 23 2020 3 Then when prompted enter the rest of your contact information and submit the form...

Page 4: ...secure the controller in place with screws or use hook and loop type fasteners to attach it to a flat surface There s a small pinhole in the center of the rear cover that allows a little air flow to...

Page 5: ...August 23 2020 5 To remove the connector pull the red tab up then press down on the release panel Pull the lever up to the unlocked position Gently remove the connector from the 80 pin assembly...

Page 6: ...is case tie the unconnected plug safely out of the way with a cable tie do not connect it 3 Connect the Lever Position Sensor Some transmissions including Ford and Nissan require an additional lever s...

Page 7: ...or existing TPS Connect the Electronic Fuel Injection EFI Harness Most engines with Electronic Fuel Injection EFI don t require a separate TPS In this case connect the OEM wiring harness using the HG...

Page 8: ...hometer output of an electronic ignition system for example an HEI or the tachometer output of an MSD ignition system Connect the red wire marked 12 SWITCHED to a circuit that s powered when your igni...

Page 9: ...HGM sells three optional stainless steel accessory switches to complement your application A B Mode Manual TCC and Overdrive Cancel To Install Locate a position that is easy to reach from the driver...

Page 10: ...came equipped with a display used the provided USB micro to USB adapter to connect the display to the USB port Without a Display If you are not using a display or other USB accessory plug the USB port...

Page 11: ...T START THE ENGINE Confirm that the status LED on the COMPUSHIFT controller is blinking 2 Pair Your Phone Reconnect the vehicle s battery and set the ignition to ON to power to the controller Be sure...

Page 12: ...pe are correct for your vehicle Also verify Final drive ratio Tire diameter Transfer case ratio if you have a 4WD vehicle Adjust settings accordingly if needed Use the Back arrow to return to the Home...

Page 13: ...start the engine Confirm that the engine tachometer reading corresponds to the Engine Speed gauge on the app Allow the engine to idle and warm until it normalizes rpm from fast idle or choke Turn the...

Page 14: ...libration from the Engine Setup menu The center readout is a digital voltmeter showing the voltage coming from the throttle position sensor Ensure that as you press the accelerator pedal this meter mo...

Page 15: ...should smoothly change from 0 to 100 Confirm that the Faults gauge reads 0 no faults and the GREEN status light on the controller is blinking slowly If so you should be ready to drive If there are fau...

Page 16: ...ou can also switch between the A and B calibration through the buttons on the setup app Dashboard screen Overdrive Cancel Switch Overdrive cancel switches can be configured for toggle or pushbutton op...

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