Technical > Wiring & Sensors

Good Grounding

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wazzu70:

--- Quote from: rob@vems.co.uk on December 20, 2007, 09:08:59 pm ---You connect the sensor ground to the common ground, the 20mm part has turned out to be not necessary.

--- End quote ---

So you do not need to separate the sensor grounds from the common ground? You can bundle them all up together? I thought it was best to remove the sensor grounds from the main grounds to isolate the noise, but maybe I misunderstood.

Also, my factory trigger wires have the extra ground wire wrapped around the inside. Do I ground this to the common ground, or to the sensor ground? Does it make a difference?

Sorry, just trying to make sure I do it right the first time :)

gunni:
You do not.

The shield and negative on the VR sensors connect to analog ground, which in itself connects to the main grounds.

wazzu70:
Thanks for the clarification Gunni!

wazzu70:
OK, I haven't been able to work on my project for a bit but I am going to try and get the wiring wrapped up.

I can bundle all grounds to one point from the ECU (and sensors that have a ground including shields). From there I can just use one ground (much larger wire) to the chassis? I am no longer using the factory harness which had multiple ground points.

Also, on the factory harness the ignition coil pack ground had a beefier wire that went to the same chassis point as the grounds from the ECU.


Sorry if this is beating a dead horse, I am just making sure I can ground properly and not have noise interference.

Thanks.

rob@vems.co.uk:
Sounds about right.
You can put that beefy wire to the same grounding point on the chassis.

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