What wire color feeds the tail lights and license plate lights?

A Red/Yellow (R/Y) wire supplies the rear combination (tail) lights, rear side marker lights, license plate lights, and the trailer connector.

What connectors are used for the license plate lights?

The left license plate light uses connector O09 and the right uses connector O07; power enters on pin 2 (R/Y) and ground exits on pin 1 (B, black).

Which connector supplies the trailer lighting?

The trailer feed comes off the R/Y wire at connector L20, pin 5.

Which connectors serve the rear combination (tail) lights?

The left rear combination light uses connector L18 (R/Y on pin 1, ground on pin 5) and the right uses connector M01 (R/Y on pin 1, ground on pin 5).

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Suzuki Samurai Tail & License Plate Light Wiring Diagram - Rear Lamp Circuit

Rear lighting wiring diagram with tail, side marker, license plate lights and trailer

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Wiring diagram of the rear lighting circuit including rear combination, side marker, license plate lights and trailer connector.

AI caption August 2006 · Photo 51 of 86

This is one page of a factory-style wiring diagram set, showing the tail light, rear side marker, and license plate light circuit for a Suzuki vehicle (uploaded as applying to a 1986 Suzuki Samurai). A single Red/Yellow (R/Y) feed wire enters from the top and branches to: a trailer connector (L20, pin 5), the left and right rear side marker lights (connectors M06 and M02, pin 2), the left and right rear combination (tail) lights (connectors L18 and M01), and the left and right license plate lights (connectors O09 and O07). All lamps return through Black (B) ground wires. The left-side lamps and side markers ground through connector M07/L16 (pin 7) to ground point 11, while the license plate lights ground together at ground point 12. Inline connectors L16/M07 (pin 4) carry the feed through the harness, and a small legend lists connectors M03/O01 and M11/O12 with pin numbers. A reader can learn the wire colors (R/Y power, B ground), connector identifiers and pin numbers, and how the rear parking/tail lamp circuit is distributed and grounded — useful for diagnosing tail light, side marker, license plate light, or trailer lighting faults.

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Frequently asked questions

What wire color feeds the tail lights and license plate lights?: A Red/Yellow (R/Y) wire supplies the rear combination (tail) lights, rear side marker lights, license plate lights, and the trailer connector.
What connectors are used for the license plate lights?: The left license plate light uses connector O09 and the right uses connector O07; power enters on pin 2 (R/Y) and ground exits on pin 1 (B, black).
How are the rear lights grounded?: All lamps ground through Black (B) wires. The tail lights and side markers ground through connector M07/L16 pin 7 to ground point 11, while the license plate lights ground together at ground point 12.
Which connector supplies the trailer lighting?: The trailer feed comes off the R/Y wire at connector L20, pin 5.
Which connectors serve the rear combination (tail) lights?: The left rear combination light uses connector L18 (R/Y on pin 1, ground on pin 5) and the right uses connector M01 (R/Y on pin 1, ground on pin 5).