I posted this on the tech thread but you guys probably could help me better
have any of you installed a wire harness for a trailer on your ML`s and where and how. Thanks for any help.

The factory harness that is included with the hitch comes with instuctions, is easy to install and works great.

Thanks

Is the harness available all by itself?

__________________
Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport

Went to the dealer today and asked about the harness - only available with a fcatory hitch, at $290.00, no receiver or ball included.
There has to be a better way.

__________________
Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport

I damaged the socket which is part of the harness and the dealer ordered the part to replace it. The socket is the part that is mounted in the metal holder that you plug the large round connector into.

I think each of the parts of the harness have part number. If that's the case I would think they could be ordered separately. Maybe the part I damaged is not considered the harness.

Edited:

Each of the connectors have separate part numbers. Connectors can be ordered, at least I've always been able to in the past. If you could order the connectors you could make a harness. I think that would be quite a pain, but it could be done.

Just a matter of finding a smart helpful partsman. I'm sure you can order it.
Gilly

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Well I can let you know in a few days....

I have ordered the Draw-Tite Modulite 18187 and the modulite wiring kit. I'm planning on following some wiring directions I found on another forum and set my wiring kit to "plug" into the receptor found in the rear compartment behind the LH removable panel.

Rgds, Ed

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Ed "Don't Benz's just feel better..."

Current wives...
2000 ML430 Skyview "The Mel"
2000 CLK430 Cab "The Cab"
85 300D Turbo "The Diesel"

Past wives...
92 300E
85 190E

"One should as a rule respect public opinion in so far as is necessary to
avoid starvation and to keep out of prison, but anything that goes beyond
this is voluntary submission to an unnecessary tyranny, and is likely to
interfere with happiness in all kinds of ways."
Bertrand Russell

In checking out my "new" ML, I noticed there is a spot in the fuse/realy box for a trailer light relay, but no relay.
So, if a harness is hooked up, stock, or otherwise, does a relay need to be installed?

__________________
Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport

I'd like to know how it comes out. I found this site, which has a lot of info on hitches, amongst many other things..

http://www.whnet.com/4x4/index.html

After reading all of this, I think I'm going to throw my money at the MB parts department, but I'll wait to see how your DrawTite Modulite comes out.

__________________
Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport

I went to etrailers.com got a om hitch for 112.00 got the wire harness at the dealer for 60.00 installed it myself. easy as pie.

Do you have a part number for the harness? The dealer says the only way i can get it is with the $298 hitch.

__________________
Thank You!
Fred
2009 ML350
2004 SL600
2004 SL500
1996 SL600
2002 SLK32
2005 CLK320 cabrio
2003 ML350
1997 C280 Sport

I threw the plastic bag away but I`ll call and get the part number for ya its a two part. wire harness splice and the pigtail that plugs into it.

Fred, some part numbers for the wiring harness and installation instructions are on this page:

http://www.whnet.com/4x4/towing.html


Wolfgang

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W163.154, M112.942, 722.662, ZF.970.402

OK the pcb assembly prt# Q-6-54-0014 $25.00,pollak plug prt#Q-6-54-0015 $18.00,wiring harness prt#Q-6-54-0013 40.00.... $90.47 w/tax.Now about that relay I will be calling tomorrow because I had to go from the 7prone to a flat 4 plug adaptor and all I`m getting is tail lights, no blinkers, no brake.