83-402 Arrangement of components
A. Model 124
N34 Auxiliary heater timer
Arrangement on model 124.0 up to approx.
09/92 (excluding models 124.034/036),
model 124.120 up to approx. 01/93,
models 124.125/127/130/180/185/190/2
A6 Auxiliary heater heating unit
Y17 Auxiliary heater mono valve
Arrangement on models
124.128/133/188/193/3
up to approx. 01/93
A6 Auxiliary heater heating unit
Y17 Auxiliary heater mono valve
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Arrangement on models
124.128/133/188/193/3
as of approx. 02/93
A6 Auxiliary heater heating unit
Arrangement in front right wheelhouse on
model 124.0 as of approx. 10/92 (excluding
models 124.036/061),
model 124.120 as of approx. 02/93,
models 124.126/131/186/191
A6 Auxiliary heater heating unit (cover removed)
Arrangement in front left wheelhouse on
model 124.036
A6 Auxiliary heater heating unit (cover removed)
a Thermostat (cover removed)
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Arrangement in front left wheelhouse on
model 124.034
a Thermostat (cover removed)
M13/2 Auxiliary circulation pump (cover removed)
Arrangement on model 124.0 as of approx.
10/92
(excluding models 124.034/036/061),
models 124.120/128/133/188/193/3 as of
approx. 02/93,
models 124.126/131/186/191
A31 Heating system supply unit
A31m1 Circulation pump
Arrangement on models 124.02/030/08/090/2
without ASR up to 09/92,
models 124.120/128/133/188/193/3 up to
approx. 01/93,
models 124.125/130/180/185/190
N33 Auxiliary heater control unit
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Arrangement below left rear seat on
models 124.02/030/08/090/2 with ASR,
model 124.0 as of approx. 10/92,
models 124.031/034/036/091,
models 124.120/128/133/188/193/3 as of
approx. 02/93,
models 124.126/131/186/191
N33 Auxiliary heater control unit
Arrangement of relays under cover in right
footwell model 124.061 and model 124.0 up
to approx. 09/92 (excluding model 124.036),
models 124.120/128/133/188/193/3 up to
approx. 01/93,
models 124.125/127/130/180/185/190/2
K14 Auxiliary heater mono valve relay
K15 Auxiliary heater circulation pump relay
K16 Auxiliary heater relay, terminal 15/30
X72 Plug connection, auxiliary heater feed (6-pin)
Arrangement of relays under cover in right A-
pillar footwell model 124.0 as of 10/92
(excluding models 124.034/036/061),
models 124.120/128/133/188/193/3 as of
approx. 02/93,
models 124.126/131/186/191
K15 Auxiliary heater circulation pump relay
K16 Auxiliary heater relay, terminal 15/30
X72 Plug connection, auxiliary heater feed (6-
pin)
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Arrangement of supply, left A-pillar by rotary
light switch model 124.034
X72/5 Plug connection, auxiliary heater interior (8-
pin)
Arrangement of relay under cover, right A-
pillar model 124.034
K16 Auxiliary heater relay, terminal 15/30
Arrangement of relays under cover in right
footwell model 124.036
K15 Auxiliary heater circulation pump relay
K16 Auxiliary heater relay, terminal 15/30
X72 Plug connection, auxiliary heater feed (6-
pin)
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F12 Auxiliary fuse box, auxiliary heater (STH)
Arrangement in fuse and relay box
1-pin cable connector X4/16 or X90 terminal 15/30 for
control and operating unit and aspirator blower M9
(only if sliding roof fitted)
Arrangement on model 124.0 up to approx.
09/92 (excluding models 124.034/036),
models 124.120/128/133/188/193/3 up to
approx. 01/93,
models 124.125/127/130/180/185/190/2
X73 Plug connection, circulation pump relay (not
fitted to model 124.020 with automatic heater
control)
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Arrangement in front left wheelhouse on
model 124.034
M13/2x1 Plug connection, auxiliary circulation pump
(cover removed)
Arrangement on model 124.036
X73 Plug connection, circulation pump relay
Arrangement 1st version on vehicles up to
approx. 08/89
Y23 Fuel metering pump, auxiliary heater (cover
removed)
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Arrangement 2nd version on vehicles as of
approx. 09/89
Y23 Fuel metering pump, auxiliary heater (cover
removed)
Arrangement on model 124.1/3
Pressure reducer from vehicle ident. end no.
A 667677/F 032883 up to vehicle ident. end no. B
054061/
F 121270 (cover removed)
Arrangement on model 124.0 (excluding
model 124.036)
Exhaust silencer (1st version)
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Arrangement on models 124.061, 124.0 up to
approx. 09/92 (excluding model 124.036)
Model 124.2
Exhaust silencer (2nd version)
Arrangement on model 124.0 as of approx.
10/92 (excluding models 124.036/061),
model 124.120 as of approx. 02/93,
models 124.126/131/186/191
Exhaust silencer
Arrangement on model 124.036
Exhaust silencer
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Arrangement on model 124.1 (excluding
model 124.193)
Exhaust silencer (1st version)
Note
On models 124.128/133/193/333/393 the
exhaust silencer is located directly on the
heater unit bracket
Arrangement on model 124.120 up to approx.
01/93, models
124.125/127/130/180/185/190/3 (excluding
models 124.128/133/193/333/393)
Exhaust silencer (2nd version)
Arrangement on models 124.034/036
Check valve (arrow)
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