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Home >> Audi >> 2025 >> Q4 e-tron Prestige >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Wiring Diagrams Interior Lighting , (QQ0) >> OEM Wiring Diagrams Interior Lighting, (QQ0) >> Vehicle Electrical System Control Module, Left Luggage Compartment Lamp, Right Luggage Compartment Lamp, Left Front Entry Lamp Ambient Lighting Bulb, Right Front Entry Lamp Ambient Lighting Bulb

Vehicle Electrical System Control Module, Left Luggage Compartment Lamp, Right Luggage Compartment Lamp, Left Front Entry Lamp Ambient Lighting Bulb, Right Front Entry Lamp Ambient Lighting Bulb

GWWF4B-043030521Courtesy of AUDI OF AMERICA, LLC

J519 

Vehicle Electrical System Control Module

T2fw 

2-Pin Connector, Black

T2fy 

2-Pin Connector, Black

T2ga 

2-Pin Connector, Black

T2gb 

2-Pin Connector, Black

T73a 

73-Pin Connector, Black

T73b 

73-Pin Connector, Black

W18 

Left Luggage Compartment Lamp

W35 

Right Luggage Compartment Lamp

W129 

Left Front Entry Lamp Ambient Lighting Bulb

W130 

Right Front Entry Lamp Ambient Lighting Bulb

238 

Ground Connection 1 (in Interior Wiring Harness)

249 

Ground Connection 2 (in Interior Wiring Harness)

278 

Ground Connection 4 (in Interior Wiring Harness)

279 

Ground Connection 5 (in Interior Wiring Harness)

284 

Ground Connection 6 (in Interior Wiring Harness)

285 

Ground Connection 7 (in Interior Wiring Harness)

297 

Ground Connection 12 (in Interior Wiring Harness)

299 

Ground Connection 14 (in Interior Wiring Harness)

638 

Ground Connection on Right A-Pillar

639 

Ground Connection on Left A-Pillar

729 

Ground Connection on Left Rear Wheel Housing

730 

Ground Connection 1 on Right Rear Wheel Housing

1224 

Ground Connection 17 (in Interior Wiring Harness)

1226 

Ground Connection 19 (in Interior Wiring Harness)

B128 

Luggage Compartment Lamp Connection (in Interior Wiring Harness)

B272 

Positive Connection (30) (in Main Wiring Harness)

B731 

Connection 58s (in Main Wiring Harness) 1

Pre-Wired Component

*2 

Optional Equipment

*3 

Refer to Applicable Wiring Diagram for Fuses in Vehicle Interior

*4 

From June 2021