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Old 01-21-2021, 04:48 PM   #1
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A new approach......Is there anybody out there that has done this 996 blue grey green connector cluster into a 986 and everything works including the fuel gauge calibration that can share a download of their eprom.
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Old 01-21-2021, 07:20 PM   #2
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Quote:
Originally Posted by obthomas View Post
A new approach......Is there anybody out there that has done this 996 blue grey green connector cluster into a 986 and everything works including the fuel gauge calibration that can share a download of their eprom.
What is the year of your car? (It has been a while since I installed my 996 cluster and I have forgotten the colors of my connectors.). If you have the LCD-type cluster I have the EPROM dumps from both the 986 and 996 clusters I used in my 2000. The files are stored on a hard drive and I should be able to find them this weekend.

By a process of elimination you may be able to determine which line of code controls the fuel gauge and update the offending bits.

This post Carrera Gauge Swap shows the code for the old style cluster. Lines 1 through 3 of the code include the odometer reading and the VIN. One of the remaining lines probably has the fuel tank type encoded.
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Painted Bumperettes, 2004 (OEM) Top, Homelink integrated in dash with Targa switch, 997 Shifter, Carrera Gauge Cluster with silver gauge faces, heated 997 adaptive sports seats, Litronics, silver console

Last edited by KevinH1990; 01-21-2021 at 07:30 PM.
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Old 01-22-2021, 05:32 AM   #3
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Originally Posted by KevinH1990 View Post
What is the year of your car? (It has been a while since I installed my 996 cluster and I have forgotten the colors of my connectors.). If you have the LCD-type cluster I have the EPROM dumps from both the 986 and 996 clusters I used in my 2000. The files are stored on a hard drive and I should be able to find them this weekend.

By a process of elimination you may be able to determine which line of code controls the fuel gauge and update the offending bits.

This post Carrera Gauge Swap shows the code for the old style cluster. Lines 1 through 3 of the code include the odometer reading and the VIN. One of the remaining lines probably has the fuel tank type encoded.
My car is a 2003 and the 996 cluster is a 2002. I think your 2000 is the early version and mine is the later. I have the link you sent me and again there is much information about the early version. My problem can be solved for $490 at the dealer or Indy. My car is a hobby car and I'm just not ready to spend that kind of money on a gas gage that works but is empty when showing 1/4 tank. Thank you for trying to help. If just one more guy as nice as you comes forward with a download of the newer cluster I will save $490. Thanks again
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