This post is relevant for anyone who use JDM ECU and try to drive above 180Kph.
All what this device is doing is to divide by 2 the number of pulses the ECU gets from the speed-sensor (now the limit is at 360Kph
).
Here is the schema for anyone who want to build one (ON YOUR OWN RISK!):
And here how it looks when I build it my way (smallest as possible and covered with epoxy to be bullet-proof unit:
For ST18x:
The speed sensor signal comes on the blue with white strip wire.
The +5V sensors power is on pink with blue strip.
To install it, just cut the speed-sensor wire and install this unit in the middle.
Parts needed:
1x 74LS93
1x 2N3904 (or 2N2222) transistor
1x 1N4148 (or 1N914) diode
1x 1MΩ resistor
1x 10KΩ resistor
If you need any help, let me know.
All what this device is doing is to divide by 2 the number of pulses the ECU gets from the speed-sensor (now the limit is at 360Kph
).Here is the schema for anyone who want to build one (ON YOUR OWN RISK!):
And here how it looks when I build it my way (smallest as possible and covered with epoxy to be bullet-proof unit:
For ST18x:
The speed sensor signal comes on the blue with white strip wire.
The +5V sensors power is on pink with blue strip.
To install it, just cut the speed-sensor wire and install this unit in the middle.
Parts needed:
1x 74LS93
1x 2N3904 (or 2N2222) transistor
1x 1N4148 (or 1N914) diode
1x 1MΩ resistor
1x 10KΩ resistor
If you need any help, let me know.