| RELAY CODE | RELAY USE |
|---|---|
| A | Seat Control Relay(Power Seats) |
| B | High Speed Relay(Auxiliary Fan) |
| C | Low Speed Relay(Auxiliary Fan) |
| E | Power Separation Relay(Power Seats) |
| F | Window Relay(Power Windows) |
| G | Air Injection Relay (Air Injection Management/Idle Speed Stabilization) |
| I | Over Voltage Protection Relay(Lambda Control/Diagnostic Socket) |
| J | Compressor Time Delay Relay(ACC) |
| K | Rear Defogger Timer Relay (Rear Defogger/Sliding Roof) |
| L | Interval Wipe Control (Wiper/Washer) |
| M or * | Electronic Fuel Pump Relay (Wiper/Washer) |
Mercedes Benz 380SEL 1986 Fuse Panel/Board – Fuse Symbol Map




