Underhood Power Distribution Center Fuse & Relay Chart - Label 4687499
Reference · 1987-1991 BroncoAll 10 fuse & relay charts
Photo of an underhood power-distribution box lid printed with the fuse/relay map: auto shutdown, rad fan, fuel pump, A/C clutch and starter relays plus fuse amperages, labeled part 4687499 / assembly 4687490.
Part of 1987-1991 Ford Bronco Fuse & Relay Charts
This photograph shows the underhood power distribution center (PDC) cover label, which serves as a fuse and relay location chart. The label identifies eight relay positions: Auto Shutdown Relay, Rad Lo Fan Relay, Fuel Pump Relay, Rad Hi Fan Ground Relay, Rad Hi Fan Relay, Air Cond. Clutch Relay, Back Up Lamp Relay, Trans. System Relay, plus a separate Starter Relay. It also lists eight mini fuses: 15A Air Cond. Clutch, 15A ABS System, 15A Fuel Pump, 15A Ign. Off Draw, 15A Trans System, 25A Lo Rad Fan, 15A Hazard Lamps, and 15A Engine System. A bottom row of seven high-amperage fuses covers 40A Veh. Lamps, 40A Heated Rear Window, 30A Hi Rad Fan, 40A Park Lamps, 40A Ign. System, 40A Ign. Run Only, and 30A ABS Pump. The label carries the caution 'Disconnect battery before servicing, use specified fuses only,' directs readers to the owners/service manual for more detail, and shows part numbers Label 4687499 and Assy 4687490. A reader can use this chart to locate and identify the correct relay or fuse and its amperage when diagnosing electrical problems in the covered circuits.
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Frequently asked questions
- What amperage is the fuel pump fuse in this power distribution center?
- The fuel pump fuse is 15 AMP; there is also a dedicated Fuel Pump Relay position shown on the cover.
- Which relays are located in this underhood fuse box?
- Auto Shutdown Relay, Rad Lo Fan Relay, Fuel Pump Relay, Rad Hi Fan Ground Relay, Rad Hi Fan Relay, Air Cond. Clutch Relay, Back Up Lamp Relay, Trans. System Relay, and a Starter Relay.
- What are the high-amperage fuses in the bottom row?
- 40A Veh. Lamps, 40A Heated Rear Window, 30A Hi Rad Fan, 40A Park Lamps, 40A Ign. System, 40A Ign. Run Only, and 30A ABS Pump.
- What fuse protects the ABS system?
- There is a 15 AMP ABS System fuse in the upper fuse block and a 30 AMP ABS Pump fuse in the bottom row.
- What part numbers appear on this fuse box cover?
- Label: 4687499 and Assy, 4687490.
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