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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> OEM Wiring Diagrams Windshield Defogger, (0K2), (4GR), (4GY) >> OEM Wiring Diagrams Windshield Defogger, (0K2),(4GR),(4GY) >> Relay And Fuse Panel 1, Relay And Fuse Panel 5

Relay And Fuse Panel 1, Relay And Fuse Panel 5

GWW8WH-103020424Courtesy of AUDI OF AMERICA, LLC

Battery

J47 

Windshield Defogger Relay

J393 

Comfort System Central Control Module

Fuses (On Fuse Panel), On the Battery Fuse Panel

S1 

Fuse 1 (On Fuse Panel)

SR1 

Relay and Fuse Panel 1

SB1 

Fuse 1 (On Fuse Panel B)

SR2 

Relay and Fuse Panel 2

S2 

Fuse 2 (On Fuse Panel)

ST4 

Fuse Panel 4, Black

SR5 

Relay and Fuse Panel 5, In the Center Plenum Chamber

S164 

Fuse 3 (Terminal 30) on Battery Fuse Panel

T32c 

32-Pin Connector, Black

50 

Ground Connection in Luggage Compartment, Left

390 

Ground Connection 25 (in Main Wiring Harness)

B282 

Positive Connection 6 (15a) (in Main Wiring Harness)

B283 

Positive Connection 7 (15a) (in Main Wiring Harness)

B306 

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

B842 

LIN Bus Connection 8 (in Main Wiring Harness)

Refer to Applicable Wiring Diagram for Fuse Positions