That may be the same wire I have disconnected. Are you sure it is olive? I thought mine was a olive/brown and it is actually grey (slate on drawings). The wire slate runs up towards fuse block and then I lose it...but I believe it runs across firewall behind glove box towards LH (drivers) side...the wire has discoloured!

i found mine wrapped together with a red wire on RH side (passenger)...the 1 red connects to 2 red wires coming from back passenger side and was wrapped in light blue tape. The slate wire was just bunched together with the bundle on RH side.

From what I have found on Disco3...someone posted a wiring diagram...the slate wire is not connected to anything. I have my 2005 LR3 at dealer right now programming a new transfer case control module and the are looking into my loose wire.



i will advise what they tell me about the wire.

just had call from land rover dealer...they believe the wire is a dead wire and not connected to anything.

Once I have back from dealer I will advise if everything is good.

The attached picture is of the wire I found...I stripped the outer insulation that is why there is copper.

Also correction on my verbage...there is 2 red connected to 2 red in a crimp with blue tape...not “1”. 1 of the red wires coming down from the fuse block area is wrapped together with the slate wire (olive).

My issue is all good. TCCM solved everything.

i had all kinds of stuff going on...HDC, DSC, Parking brake, special programs off, suspension, transmission stuck in low.

i had changed brake switch, brake light bulbs. Checked all fuses, checked TCCM for corrosion and did find some on the pins and cleaned them, checked electrical lines in RH, LH, Centre Console, front wheel wells behind shrowds...nothing made any changes. So I went back to the TCCM and took it out and opened the aluminum box, found the circuit board shorted out.

I had no issues with steering sensors showing incorrectly on the 4x4 screen.

I would pull your battery and remove your TCCM...check the plug pins for corrosion and also open the box carefully to have a visual of the circuit board. Only takes a few minutes and costs nothing to check. All the modules are interconnected in one way or another and anything wrong with that TCCM could easily be your issue. Check carefully for any signs of moisture on the box, pins and intrusion into the box that could affect the circuit board. If nothing looks wrong clean the pins with electrical cleaner an put some dielectric grease on pins...Hard Reset on the Rover with battery cables, reinstall TCCM, clear codes and see if anything changes. If there is any signs of moisture on the circuit board that would likely be it...I’m not sure if/how the TCCM can be tested.

That loose wire...I wouldn’t worry about it if it is the same wire as mine. You could test it to see if there is any power to it with key off and on. Dealer said mine had no power on it.

Pic attached of my circuit board burnt/shorted.

Careful with the tabs on the electrical connections and the tabs that hold the TCCM together...my electrical connections were tight and I broke 1 tab. Once you remove the battery, there is a black plastic cover that clips over the TCCM concealing it and suppose to help with moisture...the clips/tabs may be a bit brittle, they are around the sides and top of the black cover.

Keep me posted what you find.