1988-1991 Mercury Grand Marquis V8 5.0L High Output Alternator JS Alternators There are two different style

There are two different style alternators for this vehicle in which you will choose the Mount A or B option listed below

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1988-1991 Mercury Grand Marquis V8 5.0L High Output Alternator JS Alternators There are two different styleFitment: This is a direct fit high output alternator for the 1988 1991 Mercury Grand Marquis 5. 0L. 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