Need a fuse diagram for 1999 audi a4 quattro 2.8

You make it sound like it's our fault you can't find it :>D

The start of production of the Audi A4 B5 is 1994. With minor changes, it was produced until 2001. At first, only the sedan version was available, the station wagon (Avant) appeared a year later. This material provides information on relay circuits and fuses Audi A4 b5 1994, 1995, 1996, 1997, 1998, 1999, 2000, with an assignment of their elements and locations.

Can't get much clearer than this. Relay 4 is one plus 'Additional Relays 23 and 24. Plus fuse 23 and 24.

Fuse box diagram Audi A4 B5 and relay with assignment ...

https://fuseandrelay.com > audi > a4-b5

This material provides information on relay circuits and fuses Audi A4 b5 1994, 1995, 1996, 1997, 1998, 1999, 2000, with an assignment of their elements and ...
‎Passenger compartment · ‎Main fuse box · ‎Relay box · ‎Engine compartment

its in your owners manual and on cover of fuse/relay covers https://www.manualslib.com/manual/396576/Audi-A4.html

YOU WILL GET THE FUSE DIAGRAM FROM THE GIVEN LINK https://toolsnyou.com

Hi the relay is part of your window motor

There you go.

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don't think fuse diagram will help , is the battery in good condition , may not hold enough charge to turn over engine , try jump start if engine starts then get a new battery then check alternator charge rate as may be reason battery went

That's a common problem on VW/Audi vehicles. Window regulator problably went out. Little plastic clips usually brake.

Check this website you find there fuse box diagram and description for Audi A4

A4 CARKNOWLEDGE

The fuses location for the headlamps on a 1999 Audi 2.8 A4 Quattro are:
F18 (10 A) - RH headlamp - high beam
F19 (10 A) - LH headlamp - high beam
F20 (10 A \ 15A) - RH headlamp - low beam, headlamp adjustment
F21 (10 A \ 15A) - LH headlamp - low beam, headlamp adjustment

For Audi A4 the fuse box is located on the left side of dashboard behind a plastic cover (for left hand steering wheel vehicle). On inner face of the plastic cover you will find the fuse diagram.

I would definitely check the fuse panel (left side of the dash next to the driver's door). Inside the panel should be a list of fuse locations and ratings. Do you have an owner's manual? It should have the list, too. If this is not the problem, please post a comment here!