Dash Connector, 15-pin white plug next to the ECU

1 – Blue/Black – Thermal Transmitter for OEM coolant temp gauge

2 – Yellow/Red – Tach signal for OEM tach

3 – Yellow/Green – Vehicle Speed Sensor (VSS) signal from speedometer

4 – Blue/Green – Thermistor Control Amplifier

10 – Orange – Start Signal, connect to start signal from ignition switch

11 - Green – Transmit (TX) pin for CONSULT

12 – Green/Black – Receive (RX) pin for CONSULT

13 – Green/Yellow – ?

14 - Green/White – Clock (CLK) synchronization pin for CONSULT

15 – Red – MIL Check Engine Light

17 – Black – ground for CONSULT

18 - Green/Red – Clock signal for CONSULT

? – Red/White – Fuel Pressure Control Module

? – Orange/Black – exhaust temp warning lamp

? – Blue/White - Intake Air Temperature Sensor