1995 New Holland 7840

[captain crackers]

Hi, I have a 1995 New Holland 7840 hour meter with a 68HC11E1 showing 1,959 hours. Could somebody please adjust this to 7,780 hours. Thanks in advance, Arthur.

[Dr. Zoidberg]

Hi, I have a 1995 New Holland 7840 hour meter with a 68HC11E1 showing 1,959 hours. Could somebody please adjust this to 7,780 hours. Thanks in advance, Arthur.
Report.




533570

[captain crackers]

Hi Dr. Zoidbergthanks for your rapid reply . I only have the cluster so can't give you a report. Hopefully it will be ok I should know tomorrow. Arthur.

[luki00769]

Hello in dash is 2772Houers(meybe is 12772 but in dash i see 2772)
I need 8120
Thanks for help

[MrHenrick]

Hello in dash is 2772Houers(meybe is 12772 but in dash i see 2772)
I need 8120
Thanks for help

model of nh?

[luki00769]

it is 7740 or 7840

[Aislingob]

it is 7740 or 7840
Did u remove MCU to read?

[jonnny]

Did u remove MCU to read?
nooo ,not need to remove MCU

RST,TXD,RXD,GND,VCC

[luki00769]

Yes i am desolder MCU in circuit i dont can read....

[gogalv]

Yes i am desolder MCU in circuit i dont can read....
....................

[Aislingob]

have tried several times to read in circuit useing orange5 UPA and Xprog , no success , when removing use low heat or you will have problems with dashboard

[gogalv]

have tried several times to read in circuit useing orange5 UPA and Xprog , no success , when removing use low heat or you will have problems with dashboard

I always do orange5, 100% no problem!
And he drew the picture himself.