What wire color feeds the parking and marker lights from the headlight switch on a 1979 Ford Bronco/F-Series?

A brown (br) wire from terminal 3 of the headlight switch feeds the parking and marker light circuits, splitting through connector C801 to the R.H. front side marker light and R.H. front parking light.

Where do the front parking and side marker lights ground on this diagram?

Both the R.H. front side marker light and R.H. front parking light ground through black (bk) wires to splice S807 and then to ground G802.

Which connectors are used in the stake and platform marker light circuit?

The diagram shows connectors C911, C912, and C913 in the marker light chain, and connector C1013 for the camper marker lights.

Where does this diagram point for the rear light circuits?

It references page 17 for the Bronco rear lights and page 16 for the F-100/350 rear lights, both fed by brown wires from the headlight switch.

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1979 Ford Bronco F100-F350 Wiring Diagram - Marker & Parking Lights (Page 15)

Wiring diagram for rear and camper lights with headlight switch and connectors

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Wiring diagram routing rear, camper, and running lights through the headlight switch with numbered connectors.

AI caption August 2014 · Photo 15 of 48

This is page 15 of a factory-style wiring diagram set covering the 1979 Ford Bronco and F-100 through F-350 trucks, showing the exterior marker light and parking light circuits fed from the headlight switch. The headlight switch schematic at the top right shows a hot-at-all-times feed (see page 8), outputs to the horn and speed control (page 33), instrument lights (page 8, gray/yellow wire), and brown-wire feeds to the rear lights for the Bronco (page 17) and F-100/350 (page 16). A brown wire runs through connector C801 to the right-hand front side marker light and right-hand front parking light, both grounding through splice S807 to ground G802 via black wires. A shaded section details the stake and platform marker light circuit: black wires feed left/right front and rear side marker and marker lights plus three rear marker lights, with provisions for camper rear running lights and camper marker lights through connector C1013. Connectors C911, C912, and C913 are identified in the marker light chain. Wire colors shown include red/yellow, brown, black, black/orange, yellow, and gray/yellow. Readers can trace the parking/marker light wiring, identify connector and ground locations, and cross-reference related circuits on other pages.

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Frequently asked questions

What wire color feeds the parking and marker lights from the headlight switch on a 1979 Ford Bronco/F-Series?: A brown (br) wire from terminal 3 of the headlight switch feeds the parking and marker light circuits, splitting through connector C801 to the R.H. front side marker light and R.H. front parking light.
Where do the front parking and side marker lights ground on this diagram?: Both the R.H. front side marker light and R.H. front parking light ground through black (bk) wires to splice S807 and then to ground G802.
Which connectors are used in the stake and platform marker light circuit?: The diagram shows connectors C911, C912, and C913 in the marker light chain, and connector C1013 for the camper marker lights.
Where does this diagram point for the rear light circuits?: It references page 17 for the Bronco rear lights and page 16 for the F-100/350 rear lights, both fed by brown wires from the headlight switch.
Does this diagram include camper lighting provisions?: Yes, black wires branch off for camper rear running lights and camper marker lights via connector C1013.