Question about 2001 BMW 5 Series
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.
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Posted on Jan 02, 2017
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
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:
Hope this helps :)
Posted on Mar 08, 2009
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
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