1968-1978 GMC K25 Suburban L6 4.8L 12si High Output Alternator Shopify Collective If your alternator is internally

If your alternator is internally regulated or diode added to change voltage then this controller will work for your application

One side will plug directly into the aftermarket high-output alternator

which will require wiring up an F1F2 plug to your factory wiring

This is a direct fit high-output alternator for the 1994-1995 GMC K2500 6

This is a direct fit high-output alternator for the 1965-1966 Oldsmobile Dynamic 7

1968-1978 GMC K25 Suburban L6 4.8L 12si High Output Alternator Shopify Collective If your alternator is internallyFitment: This is a direct fit high output alternator for the 1968 1978 GMC K25 Suburban 4. 8L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a separate adaptor plug. One side will plug directly into the aftermarket high output alternator, and the other side will plug into the factory plug. NOTE: If you require charging at a certain voltage setpoint, we offer a