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Not a good idea to use a "ground" screw... (archive)
[ Follow Ups ] [ 3-series (E46) Message Board ] [ Msg. Board FAQ ]
Posted by John on December 25, 2000 at 11:52:28:

In Reply to: Valentine 1 Install posted by M Scott C on December 24, 2000 at 13:09:54:

Cars are designed to have one (and ONLY one) ground bus. Using a separate grounding screw can (and usually will) introduce a "ground loop," which can cause performance issues in electronic equipment.

Use the existing ground wire for the UGDO and you won't have that problem. I can't remember what color it is, but ground is usually either solid black, brown, or green.


So Hanuka Harry sent me a new Valentine 1 to go into my new 330i... I would like to install the power connector into the roof area per Kris's install. I did try to get into Brads install link from the FAQ but it seems to require a password. Does anyone know that password? Barring that, I also need to confirm that Blue/Green is the wire on the homelink that is the 12 volt switched wire. And can somene point me to where the ground screw is up in the headliner.

Thanks..... Scott from Joisey




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