rx7 fuse box | eBay Find great deals on eBay for rx7 fuse box. Shop with confidence. Skip to main content. eBay Logo: 1993 MAZDA RX7 FD USDM LHD OEM FUSE BOX COVER LID Fd3s 94 95 93 Rx-7 Nice. Pre-Owned. Mazda 1993 RX-7 Front Engine Compartment Wiring Harness & Fuse Box And Relays . Pre-Owned. $1,489. or Best Offer. Free Shipping. 89-91 Mazda RX7 Fuse Box Relocation - RX-7 1 (Click for larger view) Disconnect the battery and unbolt the fuse box. The front fuse box fits nicely in a factory car, but once the intake and intercooler are replaced, it keeps the intercooler from being located more centrally in the engine bay, and blocks cold air from reaching the new intake filter.