MX-3.com

20 pin Black Connector for the MX3

B - Ground
GY/R - Instrument Cluster (Check Engine Light)
Br/B - Power Steering pressure Switch
G - Stop Light Switch
O/L - Day time running Lights
Br/Y - Clutch, Neutral Safety Switch
B/Y - Power

10 pin White Connector for MX3

B/O - Temp Gauge
L/R - Battery Live
Br - Thermoswitch
L/B - AC Relay
B/G - Electric Fan Relay
O/B - Blower Control
R/B - TNS Relay
Y/L - Tach
B/R - Fuel Pump
B/W - Speed Sensor

4 pin White Connector for MX3

B/L - Rear window defrost
L - Ignition Coil

thanks you this help out alot

GTR 15 pin White Connector

B/O - temp Gauge
L/R - Batter Live
Br/Y - Clutch, Neutral switch
Y/L - tach
G/R - Fuel Pump Relay
G - ?
B/L - Rear window defrost
L - Fuel Pump resistor relay
L/Y - power steering switch
B/G - Fan switch
O/L - Blower Switch
G - Stop light switch

GTR 20 pin Black Connector

B - Ground
G/B - A/C switch
W - ?
G/R - Speed sensor
R/G - Backup lights
B/Y - Backup lights
R/B - Headlight switch
W/G - Turbo indicator
R/Y - Overboost warning buzzer
L/B - AC relay
Y/W - ?

Here is a link to the GTR and GTX manuals that have good wiring diagrams in them

http://www.ferdster.com/FSM_PDFS/fsm_pdfs.html

Here's a link to the GTR/ GTX ECU pin outs

http://www.feoa.net/modules.php?name=Fo ... 4&start=30