Holley 5.7” Full Color Touch Screen LCD
P/N 553-103
NOTE:
You MUST have ECU firmware version 330 or HIGHER for the Touch Screen to function properly. ECU’s with serial numbers
BELOW 700 will NOT have the proper firmware from the factory. You can download the proper firmware from
www.holley.com/TechService/Library.asp
. Towards the middle of the page you will find downloads for “Holley EFI”. You will
need to use a laptop to upgrade the firmware this first time, future updates can be done via the touch screen. Download the
latest SOFTWARE and FIRMWARE from
1.0 TSLCD Overview:
The Holley 5.7” Touch Screen LCD is designed specifically for use with Holley Avenger, HP, and Dominator EFI systems. It contains
separate software applications for tuning, gauge displays, and updating ECU firmware.
The Holley 5.7” Touch Screen LCD allows for tuning without the need for a laptop computer in the vehicle.
What the Touch Screen allows you to do in regards to tuning:
Perform real-time tuning of all “tuning” parameters
Enable and Disable certain inputs and output that have previously been enabled and pin-mapped in the calibration.
Download internal ECU data logs to the SD memory card
What the Touch Screen does
not
allow you to do in regards to tuning and setup:
Perform initial calibration setup of engine and ignition parameters
Enable configure inputs and outputs
Any modifications or setup to the “Inputs/Outputs” ICF.
These functions must be performed on a laptop or desktop computer. This initial setup can downloaded to the ECU via a laptop
computer, or can be downloaded via the Touch Screen on the SD memory card. Using the SD card allows the initial setup to be
performed on a desktop computer, copied to the SD card, then installed via the Touch Screen, eliminating any need for a “laptop”
computer.
2.0 Installation
The touch screen can be flush-mounted into a dash, or installed on a mounting base/bracket. There are 8 threaded attachment points
in the back of the touch screen. These are a 10-24 thread. When installing it, make sure the fasteners used don’t bottom out in the
touch screen. If they do, and you over-tighten them, damage will result. Eight 10-24 fasteners are included for mounting purposes.
Depending on how things are mounted, you may need different fasteners. The mounting pattern used is an industry standard mounting
