What fuses power the radio circuit in this diagram?

Fuse position 17 rated 20A (feeding a white/black wire) and fuse position 13 rated 15A (feeding a white wire) in the fuse box.

What are the speaker wire colors?

Front left: Bl (+) and B/Bl (−) at connector G03. Front right: W (+) and W/R (−) at connector G23. Rear left: Lg (+) and Lg/B (−) at connector L15. Rear right: Gr (+) and Gr/B (−) at connector L12.

What wire provides the radio illumination signal?

A red/yellow (R/Y) wire from lighting switch pin 8, passing through connector E38/G05 pin 13 and entering the radio at connector G19 pin 1.

Which connectors are between the radio and the rear speakers?

Connector G17 at the radio (Lg, Lg/B, Gr, Gr/B wires) and intermediate connectors G02/L02 (pins 2, 10, 3, 11) before reaching L15 (rear LH) and L12 (rear RH).

How is the radio grounded?

The radio has a direct chassis ground shown by a ground symbol on one of its output-side wires.

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Suzuki Samurai Radio Wiring Diagram - Fuse, Speaker & Illumination Circuits

Radio and speaker wiring diagram with lighting switch and four speakers

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Wiring diagram of the radio circuit showing power feeds, the lighting switch and front and rear LH/RH speaker connections.

AI caption August 2006 · Photo 60 of 86

This is a scanned radio/audio system wiring diagram, uploaded to a 1986 Suzuki Samurai gallery. It shows power feeds from the fuse box: fuse position 17 (20A) supplying a white/black (W/B) wire and fuse position 13 (15A) supplying a white (W) wire. The white wire routes through connector E40 pin 10 to the lighting switch (OFF/TAIL/HEAD positions), with a red/yellow (R/Y) illumination wire leaving lighting switch pin 8 and passing through connectors E38/G05 (pin 13) to the radio. The dimmer & passing switch is referenced. Constant/switched power and illumination enter the radio via connector G19 (pins 3, 2, 1 carrying W/B, W, and R/Y). Radio outputs go through connector G18 to the front speakers — LH via G03 (Bl +, B/Bl −) and RH via G23 (W +, W/R −) — and through connector G17 and intermediate connectors G02/L02 to the rear speakers — LH via L15 (Lg +, Lg/B −) and RH via L12 (Gr +, Gr/B −). The radio also has a chassis ground. The diagram gives all connector numbers, pin numbers, and wire color codes needed to trace or repair the factory radio circuit.

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Frequently asked questions

What fuses power the radio circuit in this diagram?: Fuse position 17 rated 20A (feeding a white/black wire) and fuse position 13 rated 15A (feeding a white wire) in the fuse box.
What are the speaker wire colors?: Front left: Bl (+) and B/Bl (−) at connector G03. Front right: W (+) and W/R (−) at connector G23. Rear left: Lg (+) and Lg/B (−) at connector L15. Rear right: Gr (+) and Gr/B (−) at connector L12.
What wire provides the radio illumination signal?: A red/yellow (R/Y) wire from lighting switch pin 8, passing through connector E38/G05 pin 13 and entering the radio at connector G19 pin 1.
Which connectors are between the radio and the rear speakers?: Connector G17 at the radio (Lg, Lg/B, Gr, Gr/B wires) and intermediate connectors G02/L02 (pins 2, 10, 3, 11) before reaching L15 (rear LH) and L12 (rear RH).
How is the radio grounded?: The radio has a direct chassis ground shown by a ground symbol on one of its output-side wires.