Where does the windshield wiper circuit get its power?

From the ignition switch in ACC or ON position, through the fuse block, then to the washer motor, wiper motor, intermittent wiper amplifier, and combination switch.

What connector number is the front wiper motor?

Connector 23M, with wires L, B, L/B, L/W, and SB.

What wire colors run to the rear wiper motor?

The rear wiper motor (connector 7B) uses L/Y, L/W, L/R, and B wires, routed through main harness connector 84M and back door harness connector 3B.

Which connectors are the body grounds for the wiper circuits?

Body grounds are shown at connectors 13M and 55M for the front and rear circuits, plus 80M, 83M, 2B and 5B ground points in the rear window circuit.

Does this page show switch continuity information?

Yes. It includes continuity tables for the combination switch (terminals 13–18 in OFF, INT, LO, HI, WASH positions) and the rear wiper and washer switch (terminals 1–4 in WIPE & WASH, WIPE, OFF, WASH positions).

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Nissan Windshield & Rear Wiper/Washer Wiring Diagram - EL-52 Service Manual

Windshield Wiper/Washer and Rear Window Wiper/Washer Wiring Diagrams (Nissan FSM EL-52)

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Factory wiper/washer wiring page: front windshield wiper-washer circuit with intermittent wiper amplifier and combination switch, plus rear-window wiper-washer motor circuit.

AI caption February 2006 · Photo 398 of 412

This page, EL-52 from a Nissan factory service manual electrical section, presents two wiring diagrams: the Windshield Wiper and Washer/Wiring Diagram (SEL520I) and the Rear Window Wiper and Washer/Wiring Diagram (SEL521I). The front wiper circuit shows power from the ignition switch (ACC or ON) through the fuse block to the washer motor (connector 1M), wiper motor (connector 23M with wires L, B, L/B, L/W, SB), intermittent wiper amplifier (connector 22M), and the combination switch (connector 67M) with a continuity chart for terminals 13–18 across OFF, INT, LO, HI, and WASH positions. Body grounds are at connectors 13M and 55M. The rear circuit shows the fuse block feeding the rear wiper motor (connector 7B via main-harness connector 84M and back-door-harness connector 3B, wires L/W, L/Y, L/R, B), the rear washer motor (connector 2M, wires L/R, L/B), and the rear wiper and washer switch (connector 8I) with its own continuity table for terminals 1–4 in WIPE & WASH, WIPE, OFF, and WASH positions. Wire color codes (L, L/R, L/B, L/W, L/Y, L/OR, SB, B) and connector numbers are labeled throughout, useful for diagnosing wiper/washer electrical faults.

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Frequently asked questions

Where does the windshield wiper circuit get its power?: From the ignition switch in ACC or ON position, through the fuse block, then to the washer motor, wiper motor, intermittent wiper amplifier, and combination switch.
What connector number is the front wiper motor?: Connector 23M, with wires L, B, L/B, L/W, and SB.
What wire colors run to the rear wiper motor?: The rear wiper motor (connector 7B) uses L/Y, L/W, L/R, and B wires, routed through main harness connector 84M and back door harness connector 3B.
Which connectors are the body grounds for the wiper circuits?: Body grounds are shown at connectors 13M and 55M for the front and rear circuits, plus 80M, 83M, 2B and 5B ground points in the rear window circuit.
Does this page show switch continuity information?: Yes. It includes continuity tables for the combination switch (terminals 13–18 in OFF, INT, LO, HI, WASH positions) and the rear wiper and washer switch (terminals 1–4 in WIPE & WASH, WIPE, OFF, WASH positions).