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Grand prix cam sensor issues
I have a 05 Grand Prix with the 3.8 vin 2 engine. It sets a cam sensor code. My service info says that the 3 wires are 12v, low ref(grnd) and signal. This is a short harness to the Ign module,that includes the crank sensor wiring, sharing the 12v and low ref. ... Login to read more. ![]()
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| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2005 Pontiac Grand Prix GT 3.8L
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |

26 Replies Received
26 Replies Received