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duffman240177
24th March, 2010, 08:27 PM
Hi, I need some help decoding this alarm code. It is off a vectra b 2000. Its a megamos alarm unit part number : 24 411 993.
I,ve read 93c46b eeprom and have attached a dump.
Cheers to anyone who can.

PremierD
24th March, 2010, 08:46 PM
Hi, I need some help decoding this alarm code. It is off a vectra b 2000. Its a megamos alarm unit part number : 24 411 993.
I,ve read 93c46b eeprom and have attached a dump.
Cheers to anyone who can.


6087/8727....

duffman240177
24th March, 2010, 08:53 PM
Cheers PremierD. Also there is a security wait time of 2.40 hrs anyway of reseting this without having to power the alarm unit for this amount of time.
Cheers.

duffman240177
27th March, 2010, 12:54 AM
you wernt far of PremierD. It was 2760. Took alot of messing around taking eeprom off board trying to find were to reset security wait time. In the end i left eeprom on the board and changed some hex values then wrote it back. Tried a few codes then reset timer and tried again. Got there in the end.
Thanks.

andresfn18
27th March, 2010, 04:39 PM
:devil:HELLO FRIEND. TRY THIS DUMP!!!

duffman240177
27th March, 2010, 07:30 PM
did u desolder eeprom from board before reading. Dump doesnt look right part number looks jumbled up.

andresfn18
27th March, 2010, 07:56 PM
IT`S FROM AN ASTRA G BUT IT`S SIMILAR

AND IT`S MEGAMOS TOO!!!

duffman240177
27th March, 2010, 08:09 PM
whats the part number? Part number dont look right in dump. I had this first time i tried was using wrong voltage and it was giving me spurious readings.

andresfn18
27th March, 2010, 08:40 PM
OR HERE ANOTHER DUMP HQ 24 443 247 MEGAMOS:wink:

duffman240177
27th March, 2010, 11:23 PM
it shud be 0863

cool2503
26th July, 2012, 06:52 PM
pls pin code for vectra b alarm
09134877