Programming Instrument Clusters for the Pontiac Fourth Generation GTO
- Document Contents
- Introduction
- Parts and Tools Required
- Installing PonyProg 2000 on Ubuntu (Linux)
- Installing PonyProg2000 on Windows
- Removing the EEPROM from the Instrument Cluster
- Configuring the EEPROM Programmer with PonyProg2000
- Fitting the Instrument Cluster EEPROM to the EEPROM Reader
- Reading the Instrument Cluster EEPROM Chip
- Making Changes to the Instrument Cluster EEPROM Chip
- Cluster Configuration and EEPROM Memory Locations
- Document Information
- Information on how to re-program VY and VZ Instrument Cluster EEPROMs
- Vehicle: Pontiac GTO (Fourth Generation)
- Copyright Owner: Matthew Jones (Matti Jones) (ZerOne)
- Document Visits: 5673
- Created: Tue May 17, 2011 7:08 am
- Revised: Fri Jan 13, 2012 4:14 am (Rev 2)
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The following document is considered a work in progress.
Because much of the useful information concerning memory locations used to store different cluster information is still not known,
it is recommended that you check the Technical Documents Discussion Forum for the latest information regarding this document.
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To reprogram an insturment cluster, the following tools are required,
A Windows or Linux (Ubuntu) based PC system.
An EEPROM Programmer that can be used with 24Cxx EEPROMS - $50.00AU.
An 8 PIN SOP to 8 Pin DIP Chip Adaptor - $25.00AU (eBay)
A good quality temperature controlled soldering iron - $100.00AU +
A good quality desoldering tool (Solder Sucker) - $25.00AU
A VY or VZ Instrument Cluster
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The following is a quick guide on installing PonyProg2000 (EEPROM programmer software) on Ubuntu
This guide assumes you have some experience with using the command line interface for linux.
1) cd (Change Directory) to the tmp folder by typing the following command
cd /tmp
2) Download the PonyProg package by typing the following command,
sudo wget http://ponyprog.sourceforge.net/phorum/file.php?2,file=26
3) apt-get required dependancies for the PonyProg2000 software, by typing the following command
sudo apt-get install dpatch libxt-dev libxaw7-dev
4) Untar the ponyprog package by typing the following command,
tar -xf ponyProg2000.tar.gz
5) cd (Change Directory) to the ponyprog2000 directory, by typing the following command
cd ponyProg2000/
6) Build the package source, by typing the following command
dpkg-source -x ponyprog2000_2.07c-2.dsc 7) cd (Change Directory) to the ponyprog package source, by typing the following command
cd ponyprog2000-2.07c/
8) Test and compile the ponyprog package, by typing the following command
dpkg-buildpackage -tc
9) Install the ponyprog package, by typing the following command
dpkg -i ../ponyprog2000*.deb
The PonyProg2000 software will be available in Applications/Programming menu
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The following is a quick guide on installing PonyProg2000 (EEPROM programmer software) on Windows
Please Note: As of the time of writing this guide, it appears that PonyProg200 is only supported on 32bit versions of Windows.
1) Download the Latest PonyProg2000 version from www.lancos.com/ppwin95.html
2) Unzip the Downloaded file, and execute the Setup file.
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The following guide assumes that you have already removed the Instrument Cluster from the vehicle.
1) Unclip the Clear plastic lense from the instrument cluster, taking care as to not break the securing tabs.
2) Remove the plastic dial surrounds.
3) Remove the Dial Face Plate from the instrument cluster.
4) Remove the clear plastic diffuser panel from the instrument cluster.
5) Remove the Main board from the instrument cluster housing.
6) Locate the EEPROM Chip on the instrument cluster main baord.
7) Using a de-soldering tool, carefully remove the solder holding the EEPROM chip on to the mainbaord.
8) Gently lever the EEPROM from the mainboard using a thin flat header screwdriver or blade.
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The following step ensures that your EEPROM programmer is configured correctly for use with the PonyProg2000 Software.
If you EEPROM Programmer is already configured to work with the PonyProg2000 software, then you can safely skip this step.
1) Open the PonyProg Program
(On Ubuntu, this is located in Applications, Programming, PonyProg2000)
2) The following Screen will be displayed
3) Click (and hold the mouse button) on the SETUP menu
4) Select Interface Setup
5) The following screen will now be displayed.
This screen allows you to configure your EEPROM Programmer
The above settings work for my Serial Port 24Cxx, 93Cxx and 25xxx EEPROM Programmer. (http://www.nbglin.com/eeprom.htm)
6) Press the PROBE button. This should probe the EEPROM programmer and automatically configure the settings for your programmer.
7) If the Probe is successful, Press the [OK] button to save the EEPROM configuration.
8) Next, you will need to calibrate the timing functions for you EEPROM programmer. To do this
9) Click (and hold the mouse button) on the SETUP menu.
10) Select Calibration menu item.
The following screen will now be displayed.
11) On Ubuntu / Linux, the YES and No Buttons may be hidden from view by the text. (As can be seen in the above image).
The Button located on the left hand side of the screen is the YES button.
12) To continue with the EEPROM programmer calibration, click on the YES button to continue.
13) If the calibration worked perfectly, the following window will be displayed.14) Click on OK to close this window and continue.
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To read data from a Surface Mount EEPROM chip, you will need to use an SOP to DIP adapter.
For 24C08 EEPROM chips, as found in the Holden VY, VZ Instrument Clusters, you will require an 8 SOP to 8 Pin DIP adaptor.
You will also require an EEPROM Programmer capable of reading and writing to 24Cxx EEPROMs.
To fit the 24C08 EEPROM to the EEPROM Programmer, use the 8 SOP to 8 Pin DIP Adaptor, as shown below,
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Once the EEPROM programmer has been successfully configured and calibrated, and you have fitted the instrument cluster EEPROM to the EEPROM reader,
you can now attempt to read data from an EEPROM chip.
To do this,
1) Click (and hold the mouse button) on the COMMAND menu
2) Select the READ ALL menu option.
3) If the EEPROM Programmer has been correctly configured, the Data should be read from the EEPROM chip, and the following screen will be displayed
4) Click on the OK button to close this window.
and will be displayed on the screen, as shown in the following image.
The Final step is to save this EEPROM Data as an e2p EEPROM file, that can be opened and edited in the PonyProg2000 software.
5) Click (and hold the mouse button) on the FILE menu.
6) Click on the SAVE DEVICE FILE menu option.
7) Select a name for the file to continue.
8) Click on the OK Button to save the file.
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This section describes how you can use the PonyProg2000 software to edit a .e2p EEPROM file to later upload to the instrument cluster EERPOM chip.
1) Open the PonyProg2000 Program,
2) Click (and hold the mouse button) on the FILE menu.
3) Click on the OPEN DEVICE FILE menu option.
4) Select the .e2p EEPROM file you wish to edit.
5) Click on the OK Button to save the file.
The following screen should appear, complete with the EEPROM data for the .e2p file that you have opened.
6) Click (and hold the mouse button) on the EDIT menu
7) Click and enable the EDIT BUFFER ENABLED menu option.
8) Double Click on the HEX character you wish to edit.
The following window will be displayed.
9) Click on the OK Button to save the changes made to the selected HEX character.
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The following EEPROM Memory Locations are known to affect the following cluster values
Car Model Text Settings
Hex Location Value Setting 00017D 00 Car model Text - XU6 (HSV) 00017D 01 Car model Text - Clubsport (HSV) 00017D 02 Car model Text - Clubsport R8 (HSV) 00017D 03 Car model Text - GTS (HSV) 00017D 04 Car model Text - Senator (HSV) 00017D 05 Car model Text - Senator Sig (HSV) 00017D 06 Car model Text - Maloo (HSV) 00017D 07 Car model Text - Coupe (HSV) 00017D 08 Car model Text - GTS-R (HSV) 00017D 09 Car model Text - Build No. ???? 00017D 0A Car model Text - HSV 00017D 0B Car model Text - Grange (HSV) 00017D 0C Car model Text - Maloo R8 (HSV) 00017D 0D Car model Text - Enable Custom Text 00017D 0E Car model Text - Blank 00017D 0F Car model Text - Blank 00017D 10 Car model Text - Blank
Car Model Cusom Text Settings
Please note, Memory Location 00017D must be set to 0D to enable the custom text mode
Hex Location Value Setting 0001BE Custom Text 1st Character 0001BF Custom Text 2nd Character 0001C0 Custom Text 3rd Character 0001C1 Custom Text 4th Character 0001C2 Custom Text 5th Character 0001C3 Custom Text 6th Character 0001C4 Custom Text 1st Character 0001C5 Custom Text 1st Character 0001C6 Custom Text 1st Character 0001C7 Custom Text 1st Character
Car Model Year Settings
Please note, The Year Value must be converted to a Hexadecimal pair in order to work.
For Example, to display 2008, convert the year value to hexadecimal using a scientific calculator (07D8).
Then Enter 07 in memory location 0000DF, and D7 in memory location 0000E0.
Hex Location Value Setting 0000DF First hex digits for the Year of Manufacturer 0000E0 Last hex digits for the Year of Manufacturer