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Your video on YouTube about ignition coil diagnose and repair

Tiny
1DJSDAD
  • MEMBER
  • 2008 BMW 650I
  • 0.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
On your video on YouTube one of your checks was to use a multi meter set on DC to check the ignition coil leads and with the engine Not raining and power on the reading should be zero, you never addressed what is happening if you have a low power reading in that configuration, Approximately 3 to 4 volts.
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Thursday, December 26th, 2019 AT 11:54 AM

1 Reply

Tiny
TOUGHDIVER
  • MECHANIC
  • 224 POSTS
Hello,

If you have a direct ignition system when checking the wires at ignition coils with the ignition on engine not running you should have 12 volts on the green wire and the brown wire is your ground, And the third wire is 5 an volt reference. I'm attaching a wiring diagram and highlighted the power and ground wire.
Please let us know if this information was helped and if you found the problem.

Thank you
Joe Terwilliger
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Thursday, December 26th, 2019 AT 6:05 PM

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