Home Bronco TSB Summaries Recent Updates Gallery Submit A Link Unique Visitors: 367714	FORD BRONCO -> ELECTRICAL; EEC/PCM, Self-Test, wiring diagrams... -> Fuse & Circuit Breaker WELCOME to MIESK5's BIG BRONCO LINKS - We now have over 26,000 LINKs! This is a Ford Bronco, Truck & Van Technical & Parts LINKS site developed by the MIESK5 Family & is not affiliated with the Ford Motor Co. in any manner. Although we initially developed this site for 78-96 Big Broncos, information in many Links also applies to F, E Series & Cars. UPDATE; all Links via web.archive may be down; Copy orig. URL & go to http://replay.waybackmachine.org/ to search for the new archived copy Select A Link: Adding Fuses for Electrical Accessories Source: by Steve83 (Steve, That dirty old truck) at FSB Blade Type, Colors & Depictions; "...Fuses typically last over 100 hours at 110% of their rated current, and burn in less than 1sec above 125%. In other words: a 10A fuse won't blow at 11A, but it will blow at 13A..." Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net Bulb, Fuse, & Wire Current Specs Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net DTC 172, 173 or 41 for HO2S Failure Or Fuse "E" Inoperative, ABS Light On, Back-Up Lamps Inoperative, Daytime Running Lamp (DRL) Inoperative, MIL On, Inadvertent Self-Test, Speedometer Inoperative & Trailer Battery Charge Relay Inoperative in TSB 95-5-21 for 92-95 Bronco & F Series; "...the HO2S wires in the 12A690 (subassembly of the 14B060 battery cable) harness may become chafed and the vehicle could exhibit any one of the following conditions....Lack of proper HEGO operation may cause, or be the result of a rich or lean fuel condition, which could cause additional heat in the catalyst. Perform self test KOEO and KOER, service any codes. CHECK FOR PROPER HEGO GROUND. If the HEGO ground is good, the following areas may be at fault: ..." READ MORE Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net E4OD Transmission Control Indicator Lamp (TCIL) Flashing because wiring may be misrouted causing a short in the steering column and a blown #17 fuse in TSB 92-22-5 for 92 Bronco & all Light Trucks Source: by Ford via Chilton Electrical Symbols in an 86 from Electrical and Vacuum Troubleshooting Manual (EVTM) Partial Source: by Ford via Chris B (Blue, bronco boy) at telus.net Fuse "E" Inoperative could exhibit any one of the following conditions: ABS Light On, Back-Up Lamps Inoperative, Daytime Running Lamp (DRL) Inoperative, MIL On, Speedometer Inoperative, DTC 172, 173 or 41 for HO2S Failure in TSB 95-5-21 for 92-95 Bronco & F Series; On some vehicles the HO2S wires in the 12A690 (subassembly of the 14B060 battery cable) harness may become chafed READ MORE Source: by Ford via Chilton Fuse 1 Blown on 4.9L Engine in Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & F Series Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net Fuse 1 Blown on 4.9L Engine in Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & F Series Source: by Ford via Chilton Fuse 13 Blown, Stop & Hazard Lamps, Stop Sensor for Anti-Lock Brakes (ABS) Speed Control & PCM Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & F Series; wire harness may be pinched/shorted on steering column support behind the dash where the 14401 wire assy may come in contact w/a sharp edge on dash panel wall, I had same short here too & caused E4OD's TCIL (OD switch-LED) to blink like a friggin pia; wires pinched @ brake/tail lights, my 96's stop/turn/tail lights wires were almost cut in half on passenger side against 1/4 panel (inner); wires pinched @ high mount brake light & @ driver's left hand seat belt anchor bolt @ base of B Pillar. See the location diagram Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net Fuse 13 Blown, Stop & Hazard Lamps, Stop Sensor for Anti-Lock Brakes (ABS) Speed Control & PCM Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & F Series; wire harness may be pinched/shorted on steering column support behind the dash where the 14401 wire assy may come in contact w/a sharp edge on dash panel wall, I had same short here too & caused E4OD's TCIL (OD switch-LED) to blink like a friggin pia; wires pinched @ brake/tail lights, my 96's stop/turn/tail lights wires were almost cut in half on passenger side against 1/4 panel (inner); wires pinched @ high mount brake light & @ driver's left hand seat belt anchor bolt @ base of B Pillar. See the location diagram Source: by Ford via Chilton Fuse 17 Blown, Short Circuit in TSB 92-22-5 for 92 Bronco & all Light Trucks. The transmission control switch wiring may be misrouted causing a short in the steering column and a blown # 17 fuse. The following symptoms may be associated with this concern; Early shifts, Loss of power, Poor acceleration, 3-4 shift cycling, Transmission control light cycling ON/OFF or inoperative, Transmission control switch inoperative, Rear Anti-Lock Brake System (RABS) electronics (dash lights on, etc.) inoperative, Loss of instrumentation (tach, fuel gauge, etc.), Unable to read Self-Test codes (solid tone only) Source: by miesk5 at FSB Fuse 17 Blown, Short Circuit The transmission control switch wiring may be misrouted causing a short in the steering column and a blown # 17 fuse. The following symptoms may be associated with this concern; Early shifts, Loss of power, Poor acceleration, 3-4 shift cycling, Transmission control light cycling ON/OFF or inoperative, Transmission control switch inoperative, Rear Anti-Lock Brake System (RABS) electronics (dash lights on, etc.) inoperative, Loss of instrumentation (tach, fuel gauge, etc.), Unable to read Self-Test codes (solid tone only) in TSB 92-22-5 Source: by coaltruck344 at answers.yahoo.com Fuse 17 Blown, Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & F Series Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net Fuse 17 Blown, Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & F Series Source: by Ford via Chilton Fuse Block Diagram in a 78 Source: by highhorse78 (High Horse) at FSB Fuse Block Diagram in a 78 Source: by highhorse78 (High Horse) at SuperMotors.net Fuse Block Diagram in a 96 Source: by Roadkill (The Beast) at SuperMotors.net Fuse Block Diagram in an 85 (register to view) Source: by Tim O (RED WAGON, redwagon) at FSB Fuse Block Diagram in an 86 w/ Nomenclature Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net Fuse Block Diagram in an 88 Source: by Jem270 at SuperMotors.net Fuse Block pic in an 88 Source: by Jem270 at SuperMotors.net Fuse E Blown, Short Circuits, Common Locations TSB 95-02-11 for 94-95 Bronco & Trucks; Miesk5 Note; also see TSB 95-5-21 for 92-95 Bronco & F Series Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net Fuse Wiring Diagram in 87-89 Bronco & F series (Mitchell) Source: by equivalent (Beetlejuice) at SuperMotors.net Fuses & Circuit Breakers Chart w/Application in an 87 Source: by Mikey350 at SuperMotors.net Fuses & Circuit Breakers Identification & Use in 80-81 Source: by MIL1ION at 7879blueovalbronco.com Fuses & Circuit Breakers Wiring Diagram in an 87 Source: by Chilton via miesk5 at broncolinks.com Headlight & Parking Lights Switch Color Codes and Pic in a 90 Source: by Worthy at FSB Ignition, Turn, High & Low Headlight, Dimmer, Dome, Hazard, etc. Wiring Diagram, Haynes for a 78 Source: by Mike S (Broncster, BRONKSTER) at SuperMotors.net Oxygen Sensor Wiring Diagram in 96 5.0 & 5.8 (Fuse shown is maxi fuse #5 in engine compartment Power Distribution Box) Source: by miesk5 at Ford Bronco Zone Forums Symbols in Wiring Diagrams Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net Wiring Diagram for 84 Bronco & F-Series (partial); "...Similar to 80-91 Bronco & F-Series..." Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net