1997 MERCEDES-BENZ ML350 light

2001 MERCEDES-BENZ
ML320 & ML430
BUZZERS, RELAYS & TIMERS
BUZZERS, RELAYS & TIMERS LOCATION
ComponentComponent Location
Alarm Horn RelayIn left side of engine compartment, in fuse & relay
box.
Blower Motor RelayIn left side of engine compartment, in fuse & relay
box.
Central Locking (All Doors Lock Relay)In left side of engine compartment, in fuse & relay
box.
Central Locking (Left Front Door & Fuel Filler Flap
Unlock Relay)In left side of engine compartment, in fuse & relay
box.
Central Locking (Right Front Door & Rear Doors
Unlock Relay)In left side of engine compartment, in fuse & relay
box.
Central Locking (Tailgate Unlock Relay)In left side of engine compartment, in fuse & relay
box.
Circuit 15 RelayIn left side of engine compartment, in fuse & relay
box.
Circuit 15 RelayIn right front footwell fuse & relay box.
Circuit 15 Delayed RelayIn left side of engine compartment, in fuse & relay
box.
Circuit 58 RelayIn left side of engine compartment, in fuse & relay
box.
Circuit 58L Relay (W/ DRL)In left side of engine compartment, in fuse & relay
box.
Circuit 58R Relay (W/ DRL)In left side of engine compartment, in fuse & relay
box.
Circulation Pump RelayIn left side of engine compartment, in fuse & relay
box.
Convenience RelayIn left side of engine compartment, in fuse & relay
box.
Differential Lock Vacuum Pump RelayIn left side of engine compartment, in fuse & relay
box.
Engine Cooling Fan Stage 1 RelayIn left side of engine compartment, in fuse & relay
box.
ESP Stoplight Suppression RelayIn left side of engine compartment, in fuse & relay
box.
Front Foglight RelayIn left side of engine compartment, in fuse & relay
box.
Front Wiper Motor RelayIn left side of engine compartment, in fuse & relay

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 1 © 2006 Mitchell Repair Information Company, LLC.
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Saturday, October 02, 2010 3:21:20 PMPage 1 © 2006 Mitchell Repair Information Company, LLC.

CIRCUIT PROTECTION DEVICES
CIRCUIT PROTECTION DEVICES LOCATION
box.
Fuel Pump RelayIn left side of engine compartment, in fuse & relay
box.
Headlamp Cleaning System RelayIn right front footwell fuse & relay box.
Heated Rear Window RelayIn right front footwell fuse & relay box.
Heater RelayAt right kick panel.
Heater Relay (Stage 1)At right kick panel.
Heater Relay (Stage 2)At right kick panel.
High Pressure/Return Pump RelayIn left side of engine compartment, in fuse & relay
box.
Left Front Power Window RelayIn left side of engine compartment, in fuse & relay
box.
Left Turn Signal RelayIn left side of engine compartment, in fuse & relay
box.
Low Beam Headlamp Relay (W/ DRL)In left side of engine compartment, in fuse & relay
box.
Rear Foglight RelayIn left side of engine compartment, in fuse & relay
box.
Rear Wall Door Washer Pump RelayIn left side of engine compartment, in fuse & relay
box.
Rear Window Defroster RelayIn right front footwell fuse & relay box.
Right Front Power Window RelayIn left side of engine compartment, in fuse & relay
box.
Right Turn Signal RelayIn left side of engine compartment, in fuse & relay
box.
Seat Comfort RelayIn right front footwell fuse & relay box.
Seat Heater Relay (Stage 1)On underside of left/right front seat.
Seat Heater Relay (Stage 2)On underside of left/right front seat.
Secondary Air Injection Pump RelayIn left side of engine compartment, in fuse & relay
box.
Starter RelayIn left side of engine compartment, in fuse & relay
box.
Two-Tone Horn RelayIn left side of engine compartment, in fuse & relay
box.
ComponentComponent Location
E-BoxIn left side of engine compartment.
Fuse & Relay BoxIn left side of engine compartment, in E-box. See
Fig. 1
.
Right Front Footwell Fuse & Relay BoxBelow right side of dash, behind kick panel. See

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 2 © 2006 Mitchell Repair Information Company, LLC.

MISCELLANEOUS
MISCELLANEOUS LOCATION
CONNECTORS
CONNECTORS LOCATION
Parking Brake SwitchOn parking brake support bracket.
Passenger's Seat Belt SwitchIn passenger's seat belt buckle.
Release Switch (BAS)Integral to brake booster.
Right Front Seat Belt Buckle SwitchIn passenger's seat belt buckle.
Rotary Tumbler Trunk Lid MicroswitchPart of tailgate latch assembly.
Stoplight SwitchOn brake pedal support.
ComponentComponent Location
Alarm HornIn left rear corner of engine compartment.
Alarm Siren W/ Auxiliary BatteryIn left rear corner of engine compartment.
Antenna Coil (Left)At left side of rear window, behind trim.
Antenna Coil (Right)At right side of rear window, behind trim.
Antenna SplitterOn right side of liftgate.
Audio AmplifierBehind left side of dash.
Blower Motor Preresistor GroupUnder right side of dash, in blower assembly.
Data Link Connector (DLC)Below left side of dash.
Diagnostic Module (OBD II) Scan Tool ConnectorBelow left side of dash.
Driver's ETR SquibOn base of left "B" pillar, behind trim.
FM/AM AmplifierIn liftgate, behind trim.
Front Passenger ETR SquibOn base of right "B" pillar, behind trim.
Garage Door TransmitterOn front center of roof.
Hands-Free MicrophoneOn front center of roof.
Low Beam Headlight Relay Shorting ClipIn left side of engine compartment, in fuse & relay
box.
Recirculated Air Flap ElementBehind right side of dash.
Transponder CoilTop right side of steering column, on ignition
switch.
ComponentComponent Location
X2/4 (Black, 2-Pin)Behind radio.
X11/4 (Black, 16-Pin)Below left side of dash.
X18 (Red, 28-Pin)Behind center of dash.
X18/1 (Black, 9-Pin)Under tailgate trim.
X18/A_B (Black, 16-Pin)At right kick panel.
X18/2 (1) (White, 10-Pin)At left rear of engine compartment.
X18/2 (2) (4-Pin)At left rear of engine compartment, in E-box.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 6 © 2006 Mitchell Repair Information Company, LLC.

X18/2 (3) (Black, 6-Pin)At left rear of engine compartment.
X18/3 (Black, 10-Pin)Behind left rear wheel.
X18/5 (Black, 3-Pin)Under trim, at left rear of cargo area.
X18/6 (Black, 3-Pin)At left rear of cargo area.
X18/7 (Black, 9-Pin)At left side of engine compartment.
X18/10 (3-Pin)At left rear of engine compartment, in E-box.
X18/11 (Black, 2-Pin)Behind left headlight.
X18/18 (3-Pin)Behind radio.
X18/23 (Black, 3-Pin)At left side of engine compartment, in E-box.
X18/26 (Black, 14-Pin)At left rear of engine compartment, in E-box.
X18/27 (Black, 8-Pin)At left side of engine compartment, in E-box.
X18/28 (Black, 8-Pin)At left side of engine compartment, in E-box.
X18/28 (2) (Natural, 14-Pin)At left rear of engine compartment, in E-box.
X18/31 (Black, 24-Pin)At left side of engine compartment, in E-box.
X18/33 (Black, 3-Pin)At left side of engine compartment, in E-box.
X22 (Black, 14-Pin)At left side of engine compartment, in E-box.
X28/3 (Black, 2-Pin)Under right front seat.
X35/1 (Black, 20-Pin)In left front door jamb.
X35/2 (Black, 20-Pin)In right front door jamb.
X35/3 (Black, 20 PinIn left rear door jamb.
X35/4 (Black, 20-Pin)In right rear door jamb.
X35/27 (Black, 3-Pin)Behind center of dash.
X35/28 (Black, 6-Pin)Behind rear bumper.
X39 (1) (Clear, 10-Pin)Behind radio.
X39 (2) (10-Pin)Under center console.
X39/15x1 (2-Pin)At rear of center console.
X39/15x2 (2-Pin)At rear of center console.
X39/37 (2-Pin)Under front passenger seat.
X52 (16-Pin)Under trim, at left rear of cargo area.
X54/1 (Red, 2-Pin)Under left front seat.
X54/9 (White, 2-Pin)Under right front seat.
X54/10 (Green, 2-Pin)Under left front seat.
X54/20 (Black, 2-Pin)At rear of left front seat.
X55/3 (Black, 16-Pin)Under left front seat.
X55/4 (Black, 16-Pin)Under right front seat.
X58 (13-Pin)On rear bumper.
X58/1 (White, 2-Pin)At lower right side of dash.
X58/3 (Green, 2-Pin)Behind radio.
X58/4 (White, 2-Pin)At right rear of cargo area.
X64/7 (Black, 2-Pin)Behind right headlight.
X64/10 (1) (Black, 6-Pin)Below rear of center console.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 7 © 2006 Mitchell Repair Information Company, LLC.

GROUNDS
GROUNDS LOCATION
SPLICES
SPLICES LOCATION
Below rear of center console.
X85/8 (2-Pin)Behind right side of dash.
X85/9 (2-Pin)At left rear of engine compartment, in E-box.
X88/17 (Black, 2-Pin)At left side of engine compartment, in E-box.
ComponentComponent Location
W2Behind right headlight. See Fig. 1 .
W2/1Behind right headlight. See Fig. 1 .
W6Behind trim at left rear of cargo area. See Fig. 1 .
W7Behind trim at right rear of cargo area. See Fig. 1 .
W8Behind trim on tailgate. See Fig. 1 .
W9Behind right headlight.
W11/3At top center front of engine. See Fig. 1 .
W16At left rear of engine compartment. See Fig. 1 .
W16/4At right rear of engine compartment. See Fig. 1 .
W16/6At right rear of engine compartment. See Fig. 1 .
W18Under left front seat, under carpet. See Fig. 1 .
W19Under right front seat, under carpet. See Fig. 1 .
W26Under center console, on SRS mounting bolt. See
Fig. 1
.
W29/2At right kick panel.
ComponentComponent Location
Z01In telephone harness.
Z02In telephone harness.
Z3/29In motor harness, at left rear of engine
compartment.
Z3/29aIn motor harness, under plastic harness channel.
Z3/29bIn motor harness, in E-box.
Z6/8In motor harness.
Z7/35In motor harness, under plastic harness channel.
Z7/36In motor harness, under plastic harness channel.
Z28/5In right front door harness.
Z28/6In left front door harness.
Z28/25In passenger harness, near breakout to left rear door.
Z28/26In passenger harness, near breakout to left rear door.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 8 © 2006 Mitchell Repair Information Company, LLC.

Z36/1In rear bumper harness, near X35/28.
Z36/2In rear bumper harness, near X35/28.
Z36/3In front bumper harness, between breakouts to left
inner sensor & right inner sensor.
Z36/4In front bumper harness, between breakouts to left
inner sensor & right inner sensor.
Z42In passenger harness, near breakout to X18.
Z50/1In dash harness, behind instrument cluster, near
breakout to instrument cluster connector.
Z50/2In dash harness, center, near breakout to A/C
control module.
Z50/3In dash harness, near breakout to passenger harness
to dash harness connector.
Z50/4In dash harness, near breakout to icing sensor.
Z50/5In dash harness, behind instrument cluster, between
breakouts to parking brake switch & stoplight
switch.
Z50/6In dash harness, behind instrument cluster, near
breakout to instrument cluster connector.
Z50/8In dash harness, in breakout to starter switch.
Z50/9In dash harness, behind instrument cluster, between
breakouts to parking brake switch & stoplight
switch.
Z50/11In dash harness, behind instrument cluster, near
breakout to instrument cluster connector.
Z50/12In dash harness, behind instrument cluster, between
breakouts to parking brake switch & stoplight
switch.
Z50/13In dash harness, in breakout to starter switch.
Z50/14In dash harness, near breakout to parking brake
switch.
Z50/17In dash harness, near entrance to E-box.
Z50/18In dash harness, in breakout to data link connector.
Z50/20In dash harness, in E-box.
Z50/21In dash harness, near breakout to PTC heater relays.
Z50/22In dash harness, near breakout to PTC heater relays.
Z50/24In dash harness, near breakout to PTC heater.
Z50/26In dash harness, in breakout to combination switch.
Z50/27In dash harness, in breakout to combination switch.
Z50/28In dash harness, in E-box.
Z50/29In dash harness, near breakout to A/C control
module.
Z50/30In dash harness, near breakout to A/C control

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
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Saturday, October 02, 2010 3:21:17 PMPage 9 © 2006 Mitchell Repair Information Company, LLC.

module.
Z50/31In dash harness, in E-box.
Z50/32In dash harness, near breakout for center nozzle air
stream temperature sensor.
Z50/33In dash harness, in breakout to combination switch.
Z50/34In dash harness, behind instrument cluster, between
breakouts to parking brake switch & stoplight
switch.
Z51/1In passenger harness, in breakout to dash connector
X18.
Z51/2In passenger harness, in breakout to dash connector
X18.
Z51/3In passenger harness, in E-box.
Z51/4In passenger harness, in E-box.
Z51/5In passenger harness, near breakout for radio & SRS
control module.
Z51/6In passenger harness, in breakout to electronic
selector lever module control module.
Z51/7In passenger harness, in breakout to electronic
selector lever module control module.
Z51/8In passenger harness, under right side of dash.
Z51/9In passenger harness, near breakout to W18.
Z51/11In passenger harness, near breakout to radio & SRS
control module.
Z51/12In passenger harness, in breakout to radio.
Z51/13In passenger harness in engine compartment, in
breakout to engine control module connector C4.
Z51/14In passenger harness, in E-box.
Z51/15In passenger harness, near breakout to radio.
Z51/16In passenger harness, in breakout to X18.
Z52/1In passenger harness, near breakout to trailer
connector X52.
Z52/4In passenger harness, in main harness breakout for
left side of vehicle.
Z52/5In passenger harness, near breakout to tailgate
harness.
Z52/6In passenger harness, near breakout to tailgate
harness.
Z52/8In passenger harness, in main harness breakout for
left side of vehicle.
Z52/9In passenger harness, in main harness breakout for
right side of vehicle.
Z52/10In passenger harness, in breakout to dash connector

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
me
Saturday, October 02, 2010 3:21:17 PMPage 10 © 2006 Mitchell Repair Information Company, LLC.

X18.
Z52/11In passenger harness, in breakout to dash connector
X18.
Z52/14In passenger harness, in main harness breakout for
left side of vehicle.
Z52/15In passenger harness, near breakout to radio & SRS
control module.
Z53/1In passenger harness, in main harness breakout for
left side of vehicle.
Z53/2In passenger harness, in main harness breakout for
left side of vehicle.
Z53/4In passenger harness, near breakout to trailer
connector X52.
Z53/5In passenger harness, in main harness breakout for
right side of vehicle.
Z53/6In passenger harness, near breakout to trailer
connector X52.
Z53/7In passenger harness, near breakout to dash
connector X18.
Z53/8In passenger harness, in main harness breakout for
right side of vehicle.
Z53/9In passenger harness, under center console in plastic
harness channel.
Z53/16Under right front seat.
Z53/17In passenger harness, in main harness breakout for
right side of vehicle.
Z53/18In passenger harness, in E-box.
Z53/20Under front of center console.
Z53/21In passenger harness, near breakout to dash
connector X18.
Z53/23In passenger harness, in breakout to ABS module.
Z53/24In passenger harness, in breakout to ABS module.
Z54/1In headliner harness, in breakout for right sun visor
connector.
Z54/2In headliner harness, in breakout for right sun visor
connector.
Z54/3In headliner harness, in breakout for rear dome
light.
Z54/7In headliner harness, near breakout to left sun visor
connector.
Z54/8In headliner harness, near breakout to left sun visor
connector.
Z54/9In headliner harness, in breakout for W7.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
me
Saturday, October 02, 2010 3:21:17 PMPage 11 © 2006 Mitchell Repair Information Company, LLC.