Mercedes-Benz 410 D Operating Instructions Manual page 97

Key to wiring diagram 21
o -
410 (Items 7 to 13) Vehicles with closed-loop system catalyst
7 Heater blower
8
9
E 18 Lighting for heater control
M 4 Heater blower motor
S 6 Heater blower switch
Fuel, coolant, backup light
B 3
Sending unit for fuel gauge
B 4
Sending unit for coolant
temperature gauge
E19
Backup light, left
E20 Backup light, right
F 5 Fuse
p 1
Fuel gauge
p
2 Coolant temperature gauge
s
7
Backup light switch
Speedometer, tachograph, clock
p 3
Speedometer
p 4
Clock
p 5 Tachograph
10 Door contact switch, interior
lights, plug socket
E 21,E 22 Lights, cargo space
F 2
Fuse
H12 Interior light
96
S 8, S 9 Door contact switch
S11, S12 Switch , cargo space light
X 4 Plug socket
11 Heated rear window, fuse test
socket
B 5 Switch for heated rear
window
H13
Indicator light for heated
rear window
H14 Indicator light ,
fuse test socket
K 4
Relay, heated rear window
R 2 Heated rear window
(cargo truck)
R 3 Heated rear window (van or
X 5
cargo bus)
Fuse test socke t
I Additional fuse
12 Brake fluid, oil pressure,
brake pad wear
F15 Fuse
H15
Indicator light , brake fluid
H16 Indicator light, oil pressure
H17
Indicator light, differential
lock
S13
Switch, brake pad wear , left
S 14 Switch, brake pad wear , right
S15
S16
S17
V 1
X 3
Switch , brake fluid
Switch , oil pressure
Switch , differential lock
Diode
Trailer plug socket
13 Control unit
F 3 Fuse
F 7 Fuse
K 5 Overvoltage protection relay
K 6
Relay, intake pipe heater
K 7
Relay, bypass heater
N 1 Control unit
R 4 Temperature sensor
R 5 Intake pipe heater
R 6
Bypass heater
R 7 Oxygen sensor
R 8 Adjustment plug
X
6 Ground connec tion, engine
X 7
Plug connec tion,.a ir
conditio ner
y
1
Throttle valve actuator
y 2
Potentiometer, thrott le valve
y 3
Choke adjusting motor
y 4
Solenoid valve , float
chamber ventilation