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2008 Grand Prix Base fuses

stevenjtaylor

New member
I am trying to check fuses for a P0443 problem before I give up and take the car to the dealership (for big bucks I'm sure). I have reviewed and checked the fuses in the large underhood fuse block by the battery and in the dashboard fuse block on the passenger side. I have also reviewed the material in the owner's manual and my Haynes book. In looking at engine wiring diagram in the Haynes book and tracing the purge control valve wiring, I am looking for the 15A "ECM IGN" fuse. Can't find it anywhere. On the diagram, there is mention of the underhood fuse block for some components and an "electrical center" for others. Supposedly, this fuse is in the "electrical center"? Am I missing something? Is there a third fuse area in this car that is hidden away somewhere? The underhood block by the battery has "B+" on it, whatever that means. My code reader report mentions a "EVAP System Purge Control Valve "A" Circuit problem. Dazed and confused (and getting po'd)....
 


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