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NIStune Type 1 Hardware Installation Page 6 of 6
TABLE OF CONTENTS
1. Removing the ECU......................................................................................................................................... 7
2. Opening the ECU ........................................................................................................................................... 8
3. Resocketing the ECU ..................................................................................................................................... 9
A. 1984-1985 Dual Board - Dual ROM ECUs ............................................................................................... 9
B. 1986 Single Board - Dual ROM ECUs .................................................................................................... 12
C. 1987 Single Board - Single ROM ECUs.................................................................................................. 14
D. 1989 Single Board - Single ROM - Header Connector ECUs ................................................................. 15
4. CPU Header Connector Installation (X1)..................................................................................................... 18
A. Early Model ECUs ................................................................................................................................... 19
B. Later Model ECUs.................................................................................................................................... 20
5. USB Connector Installation (X2) ................................................................................................................. 23
6. Inserting The Board...................................................................................................................................... 25
7. Securing The Board...................................................................................................................................... 27
8. Installing In The Vehicle .............................................................................................................................. 28
9. Upgrading ECU MAF hardware .................................................................................................................. 29
10. Reading the factory ROM image.............................................................................................................. 32