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1979 Ford Bronco C-306 LH Fender Apron Connector Wiring Diagram (14405/14401)

Connector C-306 pinout at left fender apron rear with wire numbers and colors
Connector C-306 pinout at left fender apron rear with wire numbers and colorsOriginal file
Connector C-306 pinout at left fender apron rear with wire numbers and colors

Reference · 1978-1979 BroncoAll 116 wiring diagrams

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Wiring connector diagram (C-306) at left fender apron rear, showing mating connector pinouts with wire numbers and color codes.

Part of 1978-1979 Ford Bronco Wiring Diagrams

AI caption · Photo 71 of 104

This document is a wiring connector diagram labeled C-306, showing the rear left-hand (L.H.) fender apron connector on a Ford truck/Bronco wiring harness. It depicts two mating connector halves identified by harness numbers 14405 (left half) and 14401 (right half), each drawn as a two-column, four-row block of connector cavities. The pinout is mirrored between the two halves, with the following circuits and wire colors: 977 P-W (pink-white, appearing twice), 57 BK (black), 286 O (orange), 285 BR (brown, noted as "(2)" on the 14401 side indicating two wires), 140 BK-R (black-red), 283 Y-BK (yellow-black), and 282 GR (gray/green). A callout indicates the connector body color is GREEN. A reader can use this diagram to identify the connector location (left fender apron, rear), verify which circuit numbers and wire colors terminate in each cavity, and troubleshoot continuity across the mating halves of the 14405-to-14401 harness junction. The diagram itself carries no date or model-year designation, but it was uploaded as part of a set of wiring diagrams for a 1979 Ford Bronco.

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Frequently asked questions

What connector is shown in this diagram?
Connector C-306, the L.H. (left-hand) fender apron rear connector, joining harness 14405 to harness 14401.
What color is the C-306 connector body?
The diagram labels the connector as GREEN.
What circuits and wire colors pass through connector C-306?
977 P-W (two wires), 57 BK, 286 O, 285 BR (marked '(2)' on the 14401 side), 140 BK-R, 283 Y-BK, and 282 GR.
Where is this connector located on the vehicle?
On the left-hand fender apron, at the rear, per the caption 'L.H. FENDER APRON, REAR'.
What harness numbers mate at this connector?
Harness 14405 mates with harness 14401 at connector C-306.

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