| Pin # | Circuit # | Color | Gauge | Function | Qualifier | Used | | 1 | CAT06 | YE | 18 | CTRL MOD. - TRAILER TOW # TURN SIGNAL LEFT (COLOR TO SAE 1239) | | 1 |
| 2 | RAT08 | WH | 12 | CTRL MOD. - TRAILER TOW # RETURN (USA ONLY, COLOR TO SAE 1239 EXCEPTION TO PSF) | | 1 |
| 3 | CAT19 | BU | 12 | CTRL MOD. - TRAILER TOW # BRAKES (COLOR TO SAE 1239) | | 1 |
| 4 | CAT09 | GN | 18 | CTRL MOD. - TRAILER TOW # TURN SIGNAL RIGHT (COLOR TO SAE 1239) | | 1 |
| 5 | CAT14 | OG | 12 | RELAY - TRAILER TOW BATTERY CHARGING (COLOR TO SAE 1239) | | 1 |
| 6 | CAT17 | BN | 16 | RELAY - TRAILER TOW PARK LAMPS (COLOR TO SAE 1239) | | 1 |
| 7 | CAT16 | GY-BN | 18 | RELAY - TRAILER TOW BACKUP LAMPS | | 1 |