Question about 2007 Mercedes-Benz C230 Sedan

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Cant locate the wiring harness for my 07 MB c230 - drivers side is working, but i cant find the wires to plug it in on the passenger side. any advice?

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  • 66 Answers

Plug what into where ? Cabin or engine bay?

Posted on Nov 02, 2013


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Posted on Jan 02, 2017

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SOURCE: leak under the passenger side

What is it that is leaking?

Posted on Aug 11, 2008

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SOURCE: Need Injection control unit wiring diagram MB W-124 1989 300E

Go to they have all the wiring diagrams there.

Posted on Feb 13, 2009

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SOURCE: I bought a new engine

Maybe someone changed those wires on you. Email me pictures at so I can get a better look. Also what model MB?

Posted on Jul 07, 2009

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SOURCE: 1992 MB 400SE, A/C blow hot air by driver side and

There is a valve to control the coolant to the heater core. You can identify this by looking at the hose connected to the coolant path. When it is bad it didn't close so hot coolant keeps flowing to your heater core when the AC is on causing hot air. It needs to be replace. Don't be fool by checking the resistance of the terminals since it may tell you the solenoid is still good. Why, since the valve is stuck inside, so even the solenoid is working but it could not pull the valve. Good luck.

Posted on Mar 14, 2010

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SOURCE: spark plug location on a 93 mb 300e

Not sure what you mean by bottom 3 but all six should be in a row on top below the screwed down cover.

Posted on Apr 13, 2010

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This problem could be diagnosed easily two ways.
1. Swap passenger side for driver side harnesses and see if it works.

2. Use multimeter to test continuity between the ends of the harness.

- Disconnect the battery. I proceeded to unplug the harness on the car side which is behind plastic panel attached to the pillar between the front seat area and back sear area.

- Unplugged the harness on the motor/door side. Put your meter on ohms or continuity and test between both ends of the plugs all wires for continuity.
-If the passenger harness has the same is they you can access the cable there.
- Slide the door shut and open for each wire. There are approximately 8 or 9 wires in the plug. Most of the wires are smaller and there were 2-3 that are a larger gage.
-What ever wire is determined to not be working replace the broken link with new wire, soldering or carefully crimping.

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How to Replace a Heater Core

Removal & Installation

  1. Disconnect the negative battery cable.
    CAUTION After disconnecting the negative battery cable, wait 2 minutes for the driver-s/passenger-s air bag system capacitor to discharge before attempting to do any work around the steering column or instrument
  2. On diesel models, remove the passenger side battery and battery tray.
  3. Remove the instrument panel by performing the following procedures:
    1. Remove the air bag control module (ACM) and bracket from the floor panel tunnel.
    2. Remove the trim from both cowl side inner panels.
    3. Remove the steering column-to-instrument panel opening cover.
    4. Remove the 2 hood latch release handle-to-instrument panel lower reinforcement screws and lower the handle to the floor.
    5. Disconnect the driver-s side air bag module wiring harness connector from the lower instrument panel reinforcement.
    6. Place the wheels in the straight-ahead position and lock the steering wheel. Remove the steering column without disassembling it.
    7. From under the driver-s side of the instrument, disconnect or remove the following items:

      Parking brake release handle linkage rod from the parking brake mechanism located on the left cowl side inner panel. Instrument panel wiring harness connector from the parking brake switch located on the parking brake mechanism. Three wiring harness connectors (body wiring harness, headlight, dash) from the 3 junction block connector receptacles located closest to the dash panel. Head light/dash-to-instrument panel bulkhead wiring harness connector screw and disconnect the connector. Instrument panel-to-door wiring harness connector located directly below the bulkhead wiring harness connector. Infinity sound system wiring harness connector (if equipped), located at the outboard side of the instrument panel bulkhead connector. Stop light switch electrical connector. Vacuum harness connector located near the left side of the heater/air conditioning housing.
    8. Under the passenger-s side of the instrument panel, disconnect the radio antenna coaxial cable connector.
    9. Loosen both sides of the instrument panel cowl side roll-down bracket screws about 1 / 2 inch (13mm).
    10. Remove the 5 upper instrument panel-to-upper dash panel screws; remove the center screw last.
    11. Roll down the instrument panel and install a temporary hook in the center hole on top of the panel. Attach the other end to the center hole in the top of the dash panel. The opening should be approximately 18 inches (46cm).
    12. Disconnect the instrument panel-to-heater/air conditioning housing assembly wiring harness connectors.
    13. Using an assistant, remove the instrument panel from the vehicle.

  4. If equipped with air conditioning, perform the following procedure:
    1. Discharge and recover the air conditioning system refrigerant.
    2. Disconnect the refrigerant lines from the evaporator. Plug the openings to prevent contamination.
    3. Disconnect the refrigerant lines from the accumulator. Plug the openings to prevent contamination.
    4. Remove the accumulator.

  5. Drain the cooling system into a clean container for reuse.
  6. Disconnect the heater hoses from the heater core tubes.
  7. Remove the PCM from the dash panel and move it aside. Do not disconnect the PCM harness connector.
  8. In the engine compartment, remove the heater/air conditioning housing assembly-to-chassis nuts.
  9. In the passenger-s compartment, remove the heater/air conditioning housing-to-dash panel nuts.
  10. Pull the heater/air conditioning housing assembly rearward far enough to clear the studs and air conditioning drain tube holes.
  11. Remove the heater/air conditioning housing assembly from the vehicle.
  12. Remove the upper-to-lower heater/air conditioning housing screws and remove the upper housing.
  13. Remove the heater core from the lower housing.

    Fig. View of the heater/air conditioning housing assembly

    0900c15280225dc3.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. View of the heater core

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Driver side power window stops working in 2003 mits. eclipse

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1999 navigator

i know this worked with my 99 navigator 32 valve used a viper car starter.




Remote Starter Wiring Colors and Notes

Vehicle Color


Ignition #1:

Ignition #2:

Ignition #3:


Brake Light:

Tach Signal:

Parking Lights:


OEM Alarm Disarm:

OEM Alarm Arm:

Diesel Glow Plug:

Clutch Bypass Wire:

* Powertrain Control Module (PCM) Located On Passenger Side Of Engine Compartment On Passenger Wheelwell. This Wire Can Also Be Found At the Firewall Harness On the Driver's Side of Vehicle. ** This Vehicle Is Equipped With Ford's PATS Anti-Theft System. Use Universal Alarm Bypass Module part # 2x402 where X can be any number. *** Must power ign3 using a relay. Tap relay coil to ign3 connection of remote start along with bypass module. No diode isolation is required.

Aug 07, 2008 | 1999 Lincoln Navigator

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