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  1. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi everyone, So to cut it the chase I either get a good 14.1/14.3v at alternator and battery, or I'll get a low output of 12.3v tested with a multimeter. So, does the alternator use a field/excite wire to supply 12v at ignition to make the alternator charge? It seems strange to me that the...
  2. Auto Electrical Forum
    Hi there anyone got a pic or diagram of the wiring on the back of the ignition please, im going to have a go at wiring a push button starter on my track car build Cheer James
  3. Auto Electrical Forum
    Hi folks :) NOW SORTED :) See below I'm trying to fit some Msport powered seats to my 320i SE, and it appears that to get them to work I need to connect them to the K_CAN bus. So my questions are, what colours are the K_CAN wires on a late 2010 320i? and... Where is a handy place to tap into...
  4. Auto Electrical Forum
    Hello guys! I've been searching for info, going through it and doing things to me E46 318i (N42B20) and haven't found the solution yet. So I am forced to bother you guys! Introduction: Bought the car and had DSC, ABS and Handbrake on as well as Check engine and no fuel level. At tried to read...
  5. BMW 3 Series Forum - Technical Talk on the BMW E46
    Just wondering would this cause any problems with car ? Basically snapped wire by accident
  6. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Good afternoon everyone , I have had some weird behaviour from my rear brake pads sensor , pads are genuine bmw , probably about 3 - 4 years old , car doesn't do many miles and they had been counting down slowly . A few days ago I checked info and the rear pads were showing 28K left and...
  7. BMW 3 Series Forum - Technical Talk on the BMW E46
    Here in the picture below, I marked in red: https://i.imgur.com/lkwK0kV.jpg The two connectors in front are for the fog light and horn. There's also 3rd wire (the one that marked in red) that is connected to the fender liner/wheel well. What it's for?
  8. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hi all wise ones. I thought a side light bulb had gone this weekend, and on doing some research I wasn't really relishing the thought of changing the bulb! However, imagine my pleasant surprise when on wiggling one of the wires, those halo/angel rings sprung back into life! I've tie wrapped the...
  9. Auto Electrical Forum
    Hi guys. As the title says my ac compressor doesn’t have a trigger wire going to it, was hoping someone could help me trace it back to where it is on the engine loom, or is it possible to run a new wire direct to the compressor? Possibly from the relay? Any help would be appreciated
  10. Auto Electrical Forum
    Apologies as I know this topic has been done to death. However, I cannot find any posts that say what wire to use to fix the 3 severed wires. Does each certain wire need to be a particular ampage? I'm struggling to find even online the same thickness and colour combinations. I've my connectors...
  11. General BMW Discussions
    Hi everyone! Im looking at fitting front parking sensors to my newly acquired BMW 118d. The system ive purchased uses the speed pulse wire to activate the front sensors below a programmable speed. Does anyone know the colour of the wire and the easiest location to get it?
  12. BMW 3 Series Forum - Technical Talk on the BMW E46
    I need some advise! I wired switch to my Radiator Fan today and powered the switch from a purple ignition cable, it was working fine and I had the engine running with the fan on and I managed to short from the purple wire to the frame of the car and it instantly cut out. It now won't start and...
  13. Auto Electrical Forum
    Hi folks, I currently have a problem with the (PDC) in my (2009 318D SE business edition) which is not working, so I went looking for the actual parking sensor module in the boot and I came across two wires which have been soldered to a resistor which can only tell me that this was done in order...
  14. Introductions
    Hello this is my first post. I am fitting angel eyes on my E46 2005 facelift convertible. I bought a halo led kit with the harness etc but I it’s been so annoying straight from the box! Anyways I’m struggling to find the ignition and ground wire as per instructions! I have looked at every...
  15. Auto Electrical Forum
    Hi I found a reel of Alpha Wire 18AWG 16 strand PVC wire in my dad's garage. Can I use it on my car and if so, what would be the maximum current the wire could take please? Thanks webboc
  16. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi everyone, I am new to this forum so sorry if this is a bit of a repeat. I recently bought my 325i (e93 manufactured sept 2010) from my uncle who used it as a business car. (bought from Park Lane BMW). He didn't have any issues with it and I only bought it a month ago. A week ago my car was...
  17. Auto Electrical Forum
    Detailed the engine bay of a car which is new to me and found this without a home Found on the left hand side of the engine bay, coming from part of the wiring harness clipped to the inner wing. It looks like it takes some current as the positive and negative are quite thick gauge with a...
  18. BMW 3 Series Forum - Technical Talk on the BMW E46
    Do you know if the front and rear O2 sensors are identical apart from the length of the wire on a 2004 E46 petrol? ie can they be interchanged? I am specifically asking about the 5 wire version. I have a spare rear sensor and I intend to fit it to the front (before cat convertor).
  19. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi All, I have what I read now is a common issue with the remote locking not working, and read that this is either the Diversity module or the wiring to it. Before spending over £100 on a second hand diversity Module, would be great to check if that is fine and the issue is actually a broken...
  20. Auto Electrical Forum
    Hi All I wonder if anyone can help i'm trying to located the correct wires for my ribbon style electric mirrors both of which are not working. Both 6 pin connector (drivers side) and 3 pin connector (pass side)connector are missing and one of the ribbon cables is ripped/torn apart on the drivers...
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