21/2 Track 1-14

1997 A4 (1.8l - Motronic Engine, 4-Cylinder) Code AEB


Fuse Colors:

30A - Green
25A - White
20A - Yellow
15A - Blue
10A - Red

Fuse in fusebox from 23 onwards are numbered 223 onwards in Current Flow Diagram.

Fuse Panel:

Relay Location:

1 - Load Reduction Relay
2 - Dual Horn Relay
3 - Headlight Washer System Relay
4 - Park / Neutral Position (PNP) Relay
5 - Wiper / Washer Intermittent Relay
6 - Fuel Pump (FP) Relay

Central Electric Panel - Front Side:

Relay Location:

2 - Secondary Air Injection (AIR) Relay

3-Way Relay Carrier:

Relay Location:

10 - Fog Light Relay

Fuse Location:

17 - Fuse for Secondary Air Pump

13-Way Relay Carrier:

Wire Colors

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = violet
ge = yellow


Wiring Diagram

Track 1-14:

Ground Connections

3 - Ground strap, engine to body
12 - Ground connection, in engine compartment, left
32 - Ground connection, behind instrument panel, left
43 - Ground connection, on right A-pillar
81 - Ground connection -1-, in instrument panel wiring harness
83 - Ground connection -1-, in right front wiring harness
86 - Ground connection -1-, in rear wiring harness
87 - Ground connection -2-, in rear wiring harness
135 - Ground connection -2-, in instrument panel
176 - Ground connection, in right headlight wiring harness
196 - Ground connection -3-, in wiring harness, rear