NIStune TYPE 1 V.3.5 - Manual (Page 18)

Nistune Type 1 Hardware Installation Page 18 of 33
B. Later Model ECUs
Later model ECUs connect directly to the circuit board using through holes provided by Nissan.
Locate the header connector through holes and silkscreen and solder directly to this.
1989 Z31 300ZX
Connector Wire 1 - ECU throughhole #33
Connector Wire 2 - ECU throughhole #32
Connector Wire 3 - ECU throughhole #31
Connector Wire 4 - ECU throughhole #30
J30 Maxima
Connector Wire 1 - ECU throughhole D
Connector Wire 2 - ECU throughhole C
Connector Wire 3 - ECU throughhole B
Connector Wire 4 - ECU throughhole A