coil earths and rotational idle

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orrinmcdrift
Posts: 1
Joined: Wed Apr 04, 2018 10:28 pm

coil earths and rotational idle

Postby orrinmcdrift » Thu Apr 05, 2018 6:52 am

Hey guys
I have been playing around trying to find a electrical fault in my premium loom and have noticed the earths of the coils are actually wired back to the sensor earth (black/white cable) ?
Car has been running fine up until now but im just checking if you think this might be effecting the earths somehow? Or should it change it over to a chassis earth?

Secondly while iv got all the wiring out i want to be able to manually switch the rotational idle one and off as needed. What is the easiest way to do this?

duz10s+gtr
Posts: 15
Joined: Mon Oct 16, 2017 8:19 am

Re: coil earths and rotational idle

Postby duz10s+gtr » Tue Apr 10, 2018 7:30 am

I'm also interested in the rotational idle piece however I want to engage it?

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HaltechMatthew
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Joined: Tue Feb 07, 2012 11:45 am
Location: Sydney, Australia
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Re: coil earths and rotational idle

Postby HaltechMatthew » Fri Apr 13, 2018 1:26 pm

Never wire coil earths to the ECU. They go the cylinder head as the return path for the spark energy.


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