What wire color feeds the left stop/park/turn lamp?

Circuit 9 LG/O (light green/orange), running from connector C258 through C253F/M, C158F/M, splice S148, C148M/F, and C403M/F to connector C404 at the left stop/park/turn lamp.

What wire color feeds the right stop/park/turn lamp?

Circuit 5 O/LB (orange/light blue), running from connector C258 through splice S149 to connector C405 at the right stop/park/turn lamp.

Where do the rear stop/park/turn lamps ground?

Both rear lamps ground through circuit 57 BK to splice S401 and then ground G104 (see grounds page 10-2).

Where does the trailer/camper adapter tap into the stop/turn circuits?

At splice S148 (9 LG/O, left) and splice S149 (5 O/LB, right); the trailer/camper adapter is shown on page 95-2.

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Ford Turn/Stop/Hazard Lamp Wiring Diagram 090-002 - Stop Lamp Circuits

Turn/stop/hazard lamps wiring diagram 090-002 with front park/turn and stop/turn lamps

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Automotive wiring diagram for turn, stop and hazard lamps showing front park/turn and stop/turn lamps with trailer/camper adapters and color-coded circuits.

AI caption April 2009 · Photo 848 of 4867

This document is a Ford factory-style wiring diagram, sheet 090-002, covering the Turn/Stop/Hazard Lamps circuit. It shows four circuit branches originating from connectors C159 and C258 (both referenced to page 90-1). Circuit 3 LG/W (light green/white) feeds the left front park/turn lamp via connector C145, and circuit 2 W/LB (white/light blue) feeds the right front park/turn lamp via C135; both ground through circuit 57 BK to splice S104 and ground G103 (grounds page 10-5). Circuit 9 LG/O (light green/orange) feeds the left stop/park/turn lamp through connectors C253F/M, C158F/M, splice S148 (with a tap to the trailer/camper adapter, page 95-2), C148M/F, C403M/F, and C404. Circuit 5 O/LB (orange/light blue) feeds the right stop/park/turn lamp through the same connector series, splice S149 (also tapping the trailer/camper adapter), and C405. Rear lamps ground through circuit 57 BK to splice S401 and ground G104 (grounds page 10-2). A note indicates pulse voltage is present with the multi-function switch in the turn or hazard position. A reader can trace wire colors, connector numbers, splices, and ground points for diagnosing turn signal, brake lamp, or hazard lamp faults.

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Frequently asked questions

What wire color feeds the left stop/park/turn lamp?: Circuit 9 LG/O (light green/orange), running from connector C258 through C253F/M, C158F/M, splice S148, C148M/F, and C403M/F to connector C404 at the left stop/park/turn lamp.
What wire color feeds the right stop/park/turn lamp?: Circuit 5 O/LB (orange/light blue), running from connector C258 through splice S149 to connector C405 at the right stop/park/turn lamp.
Where do the rear stop/park/turn lamps ground?: Both rear lamps ground through circuit 57 BK to splice S401 and then ground G104 (see grounds page 10-2).
Where does the trailer/camper adapter tap into the stop/turn circuits?: At splice S148 (9 LG/O, left) and splice S149 (5 O/LB, right); the trailer/camper adapter is shown on page 95-2.
Why is the voltage pulsing on these circuits?: The diagram notes pulse voltage is present with the multi-function switch in the TURN or HAZARD position.