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Ford Bronco/F-Series Trailer Wiring Connector & Harness Mounting Diagram

Component installation diagram at front of vehicle with ten numbered callouts and connector
Component installation diagram at front of vehicle with ten numbered callouts and connectorOriginal file
Component installation diagram at front of vehicle with ten numbered callouts and connector

Reference · 1980-1986 BroncoAll 61 exploded parts diagrams

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Trailer Wiring (Bronco)
IF THE IMAGE IS TOO SMALL, click it.

1 Locator, Position in Hole Provided (Part of 13A576)
2 Rear Crossmember
3 To 14086 Wiring Assembly
4 Adapter (Kit Stowed in Vehicle for Customer Installation) 12964
5 Self-Tapping Screw N806820-S55
6 Wiring Assembly 13A576
7 Locator (Not Used) (Part of 13A576)
8 To 13A409 Wiring Assembly
9 Bumper 17906
10 Wiring Assembly 14405
A Tighten to 21-28 N-m (15-21 Lb-Ft)
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See also:
Page 142 of this PDF is universal.
. . . . (WPT-421) .
_________________________________________________
7-circuit (8-post) insulated terminal block Grote Truck-Lite 50820
Dynamic 7-blade truck-side tester
4/5/6/7 trailer-side tester
Modern standard USCAR connector Curt 56229

Part of 1980-1986 Ford Bronco Exploded Parts Diagrams

Owner caption · Photo 5929 of 6546

This document is an exploded parts/installation diagram showing trailer wiring at the rear of a Ford truck-style vehicle. The illustration depicts the underside rear of the vehicle, including the tailgate or bed floor, the rear step bumper, and the left taillight assembly. A wiring harness is shown routed from the body/frame area down behind the bumper to a mounting bracket, where a round multi-pin trailer connector (plug) attaches with a fastener. Numbered callouts 1 through 10 identify components: the harness and its routing points (1, 3, 7, 8), the bed/body area (2), the trailer connector plug (4), a mounting screw or bolt (5, with detail letter A), the connector bracket (6), the rear bumper (9), and the taillight (10). An arrow labeled 'FRONT OF VEHICLE' establishes orientation. No legend, part numbers, wire colors, or text key are included in this scan, so component names must be inferred from the drawing itself. The image carries a 'Steve83' watermark. This page appears to be part of a set that includes other trailer wiring diagrams (e.g., 1994-96 and 1996 versions), and would be used to see how the factory trailer connector and harness mount behind the rear bumper.

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Frequently asked questions

What does this diagram show?
It shows the rear of the vehicle (tailgate, rear step bumper, and taillight) with the trailer wiring harness routed down to a bracket behind the bumper where a round trailer connector plug mounts, identified by callouts 1 through 10.
Where does the trailer connector mount?
Per the diagram, the round trailer connector (callout 4) attaches to a bracket (callout 6) located below the rear bumper area, secured with a fastener shown at callout 5/A.
Is there a parts legend or list of part numbers in this document?
No. The scan contains only the illustration with numbered callouts (1-10 and A) and the 'FRONT OF VEHICLE' orientation arrow; no legend, part numbers, or wire color codes are visible.
How is the diagram oriented?
An arrow labeled 'FRONT OF VEHICLE' at the bottom left points toward the front, so the view is of the rear/underside of the vehicle looking forward.

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