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NIStune Type 1 Hardware Installation Page 20 of 20
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