I just bought a 2000 Ram 3500 5.9 L Cummins and it has what appers to be a chip thats installed, I have no idea what type of chip it is or the company its made by. The chip is red and has a black G on it, any help would be usefull Im running on basicly zero info.

 

Unfortunately that isn't enough information for this guy. Can you share a picture? Maybe trace the wires and see where they go, so we have an idea of what it does.

 

This is it

 

Granatelli Motor Sports Big G Diesel Mileage Miser Module. Looks like its no longer made.

 

Thanks man, now I have a starting place.

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Just found more info out its actually the Granatelli Big G power module, but again thanks for pointing me in the right direction.

 

No problem

 

Has anyone ever had a Big G power module in their rig? If so any info would be helpful, I.e. " settings, horse power/ torque, mileage gain ".