Question about 2001 BMW 5 Series

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BMW E39 M-Tech Tourer Tow Bar Wiring

Hi,
Whilst I have been able to fit my tow bar on my 2001 E39 M-Tech Sports Tourer, I am unsure how to wire up the standard 12N socket. What wire colour does what? What side do I pick up the wiring loom? My car also has parking sensors.
Your help on this is appreciated.
Mark

Posted by on

6 Suggested Answers

3bachelors
  • 52 Answers

SOURCE: Tow bar wiring

use the wires inside the hatch behind the plastic panel on either side. Wiring for your car is as follows - 












Parking Lights YELLOW (-) 1K OHM RESISTOR AT THE STEERING COLUM HARNESS USE A 1KOHM RESISTOR Brake Lights WHITE/TAN (+) AT SWITCH Reverse Lights VIOLET/BLACK (+) 72 PIN CONN POS 6 BEHIND PASS KICK







Good Luck, NGK

Posted on Sep 04, 2008

tommyboinow
  • 324 Answers

SOURCE: Volvo V70 2001.. Plugs For Towbar Electric's??

No those plugs are stricktly for double towing with a tow bar only, you will have to install a second single tow plug.

Posted on Nov 26, 2008

  • 188 Answers

SOURCE: tow bar wiring

Go to U-haul, and they have a kit to make it easy to fix your problem.

Posted on Jan 31, 2009

johncaman
  • 201 Answers

SOURCE: tow bar wiring

You need a Trailer Light Power Module - Uhaul, or anywhere that sells hitches and accessories. The module will power the lights directly from the battery - it still hooks into your car's lighting system, but only for sensing purposes, it doesn't put an extra load on the lighting system.

Here's an example from Uhaul:

http://store.uhaul.com/Wiring__lights/Moving/Trailer_Light_Power_Module

Hope this helps :)

Posted on Mar 08, 2009

  • 65 Answers

SOURCE: Fitting a towbar for a caravan with 13pin europlug

black socket, black 7 core wire
pin 1 yellow left indicator
pin 2 blue, rear fog light
pin 3 white earth
pin 4 green right indicator
pin 5 brown right side/tail light
pin 6 red brake lights
pin 7 black left side/tail light

Grey socket grey 7 core wiring
pin 1 yellow, reverse
pin 2 blue, supplementary feed (ignition)
pin 3 white, earth
pin 4 green live feed (battery +)
pin 5 brown not connected
pin 6 red supplementary feed (ignition)
Pin 7 black earth

On the discovery there is a purpose made plug behind the panel on the drivers side rear, behind the rear lamp
i think the relay you have bought is for lamp failure you just need a normal 4 pin 30 amp relay.
Good luck Davelee

Posted on Mar 24, 2009

  • 85 Answers

SOURCE: wiring in a tow bar

First I'm sure that a Festiva should probably only be towing body weight, But if you want to hook up a wiring loom for towing I would suggest buying a 4 lug loom from a auto store, then I would get a chilton or haynes manual to get the wiring diagram (or internet) then wire it up with **** connectors and electrical tape.

Posted on Apr 29, 2009

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You need a Trailer Light Power Module - Uhaul, or anywhere that sells hitches and accessories. The module will power the lights directly from the battery - it still hooks into your car's lighting system, but only for sensing purposes, it doesn't put an extra load on the lighting system.

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http://store.uhaul.com/Wiring__lights/Moving/Trailer_Light_Power_Module

Hope this helps :)

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