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I've been looking for schematics and diagrams for my 1983 351w wiring harness for days now and haven't found a good one yet. I didn't think it would be this hard to find some especially for a big kid toy!!

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'95 XLT: 5.8, MAF, E4OD, 4.56's, 6" on 33's
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Yo 91bfixeverything,
For certain 83s, such as those with a 351 engine, see Electronic Engine Control III (EEC III) overview, wiring & Vacuum diagrams on the net by Tommy @ Wayback Machine
Some owners converted the EEC III to a carburetor, Holley Fuel Injection or EEC IV.

Also see: DIY EEC III Timing Procedure by Eric @ EEC III - Off-Road Forums & Discussion Groups

1983 Starter Relay & Distributor Wiring Diagram @

1983 Alternator / Voltage Regulator, Ammeter, Light Switch & Choke Heater Wiring Diagram @

1983 Bronco Operating Guide @ 1983 Ford Bronco Manuals & Pamphlets (Scanned) picture |

1980-1986 Bronco/F Series Fasteners by Gary

1980-1986 Bronco/F Series Carburetors, Chokes & EFI by Gary

1980-1986 Bronco/F Series Specifications by Gary @ Axle Ratios - Gary's Garagemahal (the Bullnose bible)

Differences in 1980-1986 Bronco/F Series by Gary

1983 Bronco Dealer Brochure by Gary @ 1983 Bronco

1983 Bronco 5.8L 351W 4V H.O Vacuum Diagram by Seabronc

New 1980-86 Ford Truck American Auto Wire Complete Wiring Harness ($1,499.00) and New Rear Window Wiring Harness plus Air Conditioner and Rear Defroster harness avalable @

For a YARD SEARCH on-line, I use;
Hollander Quality Replacement Parts | Find Used Auto Parts | Online Locator
A yard that uses Hollander Interchange can search other yards and have it shipped including some Canadian yards.
"...For over eighty years, Hollander has been making the best tool for fast, interchangeable part matches. The new Edition Hollander Interchange contains more interchangeable options than ever before.
The Hollander Interchange provides auto recyclers and auto collectors, rebuilders, and others with the easiest and most comprehensive solution for identifying interchangeable auto parts..." See their yard Directory @: Seller Directory | Used Auto Parts | Hollanderparts
Can select a certain part.
I just searched for 1983 >Ford > Bronco > Electrical > Engine Ecm > 00571 Electronic Control Module, 8 351W (5.8L), At, Id E0ae 12A650 A1a as an example with many results for $35.00 to $75.00 with conditions of "Excellent Condition (Grade A)".

or Auto Parts Market
Can select certain parts

Has Vehicle Pics for some vehicles incl. interior/dash, back seat, front & rear and engine bay.
Or Request a Quote from hundreds of recyclers

For any Bronco questions or to chat about it's planned modifications or build, it's better to post each seperately in Noobie Bronco Tech Questions. Flame free zone. This will get more attention and you can build up your post count to get into other sections such as Bronco and Ford Parts/Accessories (75 posts required to view).

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