E34 Touring harness wiring.pdf

BMW E34 Touring Rear Wire Harness Repair Layout

The repair wiring harnesses for E34 touring models are universal for ALL applications (Europe,

Japan, US, etc). The part numbers, as noted in other resources like ETK/websites are:

61 10 8 365 702 Right main harness

61 10 8 365 704 Left main harness

61 12 8 355 153 Rear window defroster

63 25 8 359 099 High mount stop light

The high mount stop light wires (two wires in one sheath), and window defroster wires (two

wires in one sheath), connect directly to plug ends behind the grommets where the harnesses enter

the D pillar. If you observe how things are assembled as you are taking the old wiring out, you will see

how they should go back together. At the other end of the respective wiring, the high mount stop light

has two spade ends that connect to the back of the stop light, while the defroster wiring needs to be

spliced in to the leads coming off the grid on the rear window. Cut the existing ones 4 or 5 inches

from where they are attached to the window and solder and shrink wrap the new ends to them.

There are, however, slight differences in coloring code for some of the wires in the main repair

harnesses vs. existing wiring. This chart serves two purposes: 1) display the differences so that it is

easier to match up wiring at the splice ends of the repair harnesses with the wiring that you will find

inside the car, without going back and forth between your old wiring harness or the plug ends in the

tailgate, and 2) layout the function of each wire in a format more focused than what you will find

across multiple pages in the ETM or Bentley. This way, as you note any damaged wires in the

existing harness, you can immediately identify what problems they were causing (wiper never

returning to park, central locking not working, etc etc).

Right Harness:

Existing Color

Repair Wiring Color

Function

Black/Red

Rear wiper trigger

Black/Yellow

Rear wiper 12v

Brown

Ground

Blue/Yellow

Reverse lamp 12v

Yellow/White (blank in US cars) Yellow/Violet

Rear fog lamp 12v

Brown

Ground

Gray/Brown/Yellow

Gray/Black

Right license plate lamp 12v

Brown

Ground

White/Black/Yellow

White/Green

Glass open/closed micro switch

White/Blue

Glass open/closed micro switch

Black/Violet Blue/Red High mount stop lamp 12v

Brown (separate from common) Brown (separate from common) Ground

Left Harness:

Existing Color

Repair Wiring Color

Function

Red/Blue

Glass motor 12v

Brown

Ground

White/Black/Yellow

White/Green

Gate open/closed micro switch

White/Black

Gate open/closed micro switch

Gray/Brown

Gray/Black

Left license plate lamp 12v

Brown

Ground

Blue/Yellow

Reverse lamp 12v

Yellow/White (blank in US cars) Yellow/White

Rear fog lamp 12v

Brown

Ground

Red/Black

Red/Black (thick)

Wiper in park signal

Brown

Ground

Brown/Yellow

Rear glass switch 12v

White/Brown

Glass open interior lamp trigger

Brown

Ground

Red/Black

Red/Black (thin)

Gate motor/locking 12v

White/Red/Yellow

White/Blue

To central locking

Blue/Red/Yellow

White/Green

To central locking

(blank in US cars)

Pink

Unused

White/Brown (white plug)

White/Brown (clear plug)

Gate open interior lamp trigger

Brown (white plug)

Brown (clear plug)

Ground

Brown (separate from common) Brown (separate from common) Rear Defroster

Black (separate from common) Black (separate from common) Rear Defroster

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