0400 - Electrical wiring diagram: Exhaust gas recirculation with manual trans. and AC compressor - CH Model year 1988 Engine 601 in model 124 · ra070160104b7x · Mercedes-Benz WIS

07.1-400 Electrical wiring diagrams

The wiring diagrams up to and including 06/1991 or model year 1992 are dealt with below.

As of 07/1991 and model year 1992 are located to the relevant wiring diagram volume.

Model 124 as of 07/1991 and model year 1992 Volumes 4 and 4.1

Model 124 as of 10/1992

Volumes 1 and 2

Model 201 as of 07/1991 and model year 1992 Volumes 5 and 5.1

Model 202 as of 06/1993 and model year 1994 Volumes 1 and 2

Engine 601  in model 124

Model year 1988

Electrical wiring diagram exhaust gas recirculation with manual transmission and AC compressor

X4	Terminal block terminal 30 relay/fuse box
X25	Connector preglow cable harness
X26	Connector engine cable harness
X35	Terminal block terminal 30/terminal 61
Y27	Change-over valve exhaust gas recirculation
Y28	Change-over valve vacuum control flap
a	To K19 relay uncoupling switch 100 °C, jack 4
c	To tachometer A1p7
d	To fuse 5 terminal 15
e	To control unit automatic climate control N22 jack 7

A9	AC compressor
A9k1	Electromagnetic coupling
A9l1	Speed sensor
A9x	Connector AC compressor
B6	Hall-effect speed sensor (only manual 5-speed transmission)
F1	Fuse 7 terminal 15
G1	Battery
L3	Speed sensor starter ring gear
L3x	Connector speed sensor starter ring gear
N6	Control unit compressor cut-out
N37/2	Control unit exhaust gas recirculation
S2/2	Glow starter switch
S25/4	Temperature switch 100 °C exhaust gas recirculation
S25/7	Temperature switch 25 °C exhaust gas recirculation
S27/6	Microswitch exhaust gas recirculation
W10	Ground, battery

Note

Unidentified grounding points are connected to engine ground or body ground.

0400 - Electrical wiring diagram: Exhaust gas recirculation with manual trans. and AC compressor - CH Model year 1988 Engine 601 in model 124