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Vectra C needle sweep
14-03-2019, 02:01 AM,
Post: #1
KVauxhall  Vectra C needle sweep
Not sure if this has been posted so please remove if this is a repost.

I take absolutely zero credit for this as I found it on a Polish forum looking for info on which led's to change on a vectra c but some seem to keep stuff like this a secret??.

I have not tested this, not sure if sw version ect effects this so keep a backup.

You need to dump the contents of the 93C66, locate 6 bytes from 0CA to 0CF and replace "00 00 00 00 00 00" with  "A0 64 FA FA FA FA"

then go to 0B and if you have "0E" replace with "1E".

I will test on a 2006 vectra sri tomorrow and report back.
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[+] 3 users say Thank You to vectrac20tsri for this post
16-03-2019, 23:31 PM,
Post: #2
RE: Vectra C needle sweep
It did not work on a 2006 face lift vectra 1.8 sri.
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06-08-2019, 08:58 AM,
Post: #3
RE: Vectra C needle sweep
How to do this in Astra H Speedometer (instrument cluster)? ¿any idea?
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12-08-2019, 03:58 AM,
Post: #4
RE: Vectra C needle sweep
(06-08-2019, 08:58 AM)Arbe Wrote:  How to do this in Astra H Speedometer (instrument cluster)? ¿any idea?

Send me your dump i ll sort it
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19-08-2019, 17:54 PM,
Post: #5
RE: Vectra C needle sweep
(14-03-2019, 02:01 AM)vectrac20tsri Wrote:  Not sure if this has been posted so please remove if this is a repost.

I take absolutely zero credit for this as I found it on a Polish forum looking for info on which led's to change on a vectra c but some seem to keep stuff like this a secret??.

I have not tested this, not sure if sw version ect effects this so keep a backup.

You need to dump the contents of the 93C66, locate 6 bytes from 0CA to 0CF and replace "00 00 00 00 00 00" with  "A0 64 FA FA FA FA"

then go to 0B and if you have "0E" replace with "1E".

I will test on a 2006 vectra sri tomorrow and report back.


Tested in a IPC From 2008. Works OK
Reputation: +1 - budzasto [+1]
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16-09-2022, 18:48 PM,
Post: #6
RE: Vectra C needle sweep
Sorry to resurect old thread but i have found something that will help. So the instrument only with this index codes can be moded to needle sweep: TN, TG, TD, QQ, QJ, TS, QS. I think the list is not complete because all instrumets that have soldered led for parking pilot can be moded.

Update: You need to check the instruments fw version and date of production. the date should be 2006.07 and up and fw version 4.46 and up. and it will work
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