How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask internal88 Your Own Question
internal88
internal88, BMW Mechanic
Category: BMW
Satisfied Customers: 2534
Experience:  I have an Automotive Engineering Degree and also work for an Automotive engineering company since 2003.
63512786
Type Your BMW Question Here...
internal88 is online now
A new question is answered every 9 seconds

E39: I need the wiring diagram for the power supply on a 2000

This answer was rated:

I need the wiring diagram for the power supply on a 2000 BMW X5 Instrument Cluster. I need to know the positive pins and the grounds.

internal88 : Hello, I'm Brandon. I'm going to help you out.
Customer: Ok.
internal88 : Hold on something wrong with this room.
internal88 : I can't paste the diagram
internal88 : Anyway do you see the 18 pin black connector.
internal88 : Pin 1 is ground.
Customer: Yes.
internal88 : Pin 7 or Pin 17 are both Voltage.
internal88 : I'm going to switch to QA mode to post the diagram for you.
Customer: Ok thanks I tried that but it did not power on.
graphic
Can you please tell me the connectors you see on the back?

Do you have these connectors?

graphic

Try this.

graphic

Customer: replied 3 years ago.
I only got the brake light.

See the 18 terminals connector. Try term 8 or 12 for voltage
and terminal 9 for ground.

Customer: replied 3 years ago.
Still nothing do you think I have a bad unit?

Try these terminals. If not power up ,the cluster is bad.

graphic

internal88 and 5 other BMW Specialists are ready to help you