Categories
Alternator Wiring
OBD-2 to OBD-0 alternator connector
This scenerio happens when using an OBD2 engine in an OBD-0 vehicle.
When adapting an OBD2 alternator to an OBD-0 engine harness follow this wire color chart:
| OBD0 (DPFi – STD/DX) | – | OBD2 plug |
| yellow | to | white/red |
| white/yellow | to | white/green |
| black/yellow | to | black/yellow |
| white/blue | to | white/blue |
| OBD0 (MPFi – HF/Si) | – | OBD2 plug |
| blue | to | white/green |
| black | to | white/yellow |
| white/blue | to | white/blue |
| white/yellow | to | white/red |
OBD-1 to OBD2 / OBD2 to OBD-1 alternator
This scenerio happens when using an OBD1 engine in an OBD2 vehicle and vice versa.
When adapting an OBD2 alternator plug to OBD1 engine harness and vice versa follow this chart:
| OBD1 | – | OBD2 plug |
| blue | to | white/red |
| black/yellow | to | black/yellow |
| white/blue | to | white/blue |
| white/yellow | to | white/green |