Located in the engine compartment, the PDC houses the alternator cartridge fuse, up to ten maxi fuses, up to seven blade-type mini fuses, and as many as 13 ISO relays (standard and micro).
The inside of the PDC cover has a map identifying each element.
Fig. PDC components on a 97 RAM: cartridge fuse (A), maxi fuses (B), relays (C), mini fuses (D)
Fig. PDC (typical): cartridge fuse (A), maxi fuses (B), relays (C), mini fuses (D)
Fig. PDC in the engine compartment has relays and maxi fuses and standard mini fuses: lid identifies function