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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Wiring Diagrams Windshield Defogger , (0K4),(0K0),(4GR),(4GY) >> OEM Wiring Diagrams Windshield Defogger, (0K4),(0K0),(4GR),(4GY) >> Left Windshield Defogger Relay, Right Windshield Defogger, Relay And Fuse Panel 2, Windshield Defogger

Left Windshield Defogger Relay, Right Windshield Defogger, Relay And Fuse Panel 2, Windshield Defogger

GWW8WH-072030424Courtesy of AUDI OF AMERICA, LLC

J410 

Left Windshield Defogger Relay, Brown

J411 

Right Windshield Defogger, Brown

ST1 

Fuse Panel 1, Black

SR2 

Relay and Fuse Panel 2

SF2 

Fuse 2 (On Fuse Panel F)

SF3 

Fuse 3 (On Fuse Panel F)

T2em 

2-Pin Connector, Black

Z2 

Windshield Defogger

689 

Ground Connection on Roof, Center Front

B306 

Positive Connection 10 (30) (in Main Wiring Harness)

B359 

Positive Connection 10 (87a) (in Main Wiring Harness)

B360 

Positive Connection 11 (87a) (in Main Wiring Harness)

Omitted as a Running Change

*2 

6.0 Diameter Possible

*3 

For Vehicles with 48 V Hybrid System

*4 

For Vehicles without 48 V Hybrid System

*5 

Running Change

*6 

Refer to Applicable Wiring Diagram for Fuse Positions