Where is the fuse box on an 89 Grand Marquis - Answers Where is the fuse box on an 89 Grand Marquis? Answer. Wiki User . Where can you find a fuse panel diagram for a 89 Mercury Grand Marquis? Look in the owners manual. Mercury Grand Marquis Third Generation (1998 - 2002 Jul 28, 2018Power distribution box Mercury Grand Marquis 3rd Generation – fuse box – power distribution box. The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads.
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