There are 8 pins supplied with the CPR - 2 each of 4 different types. You will only need to use 4 of these pins.
From left to right these pins are:
| • | Large OBDI (black stripe) - for distributor and tach signal on OBDI vehicles. |
| • | Small OBDI (blue stripe) - for the ECU ICM and SYNC wiring on OBDI vehicles. |
| • | Large OBDII (no stripe) - for distributor and tach signal on OBDII vehicles. |
| • | Small OBDII (red stripe) - for the ECU ICM and SYNC wiring on OBDII vehicles. |