Ok, here is the ground wire install I have done. It needs a little bit of cleaning up, but It's a start.
This was effectively A free mod, as I used wires from a grounding kit that I bought years ago and never installed.
First Wire I attached was the Alternator.
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I used the power steering bracket because It was easiest to reach. This Is just a nut, and I put the ground behind the existing bracket. The wire is tucked in behind the fuel delivery wiring under and behind the plastic cover.
Next I ran a wire to the Block.
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This is attached to a portion of the exhaust manifold, in front of a bracket that is pre-existing. I would have preferred behind, but that was not an option due to the size of my connector and the bracket itself.
Then I tied the 2 Engine Grounds to a third wire that made the travel to the Body Ground.
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This was to make up the fact that my wire wouldn't quite reach all the way across the motor bay. The body ground cable came apart on my, and I had to re-crimp the wire end. This will be replaced in the future, but works fine for now.
Ran the battery connector wire and the engine ground wire under the fuse panel.
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I used the existing body ground that attaches directly to the battery.
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This connection pretty much doubles what I have for the ground running to the battery. I will update the cable end at a later date for a cleaner install.
In the future I might go ahead and ground the throttle body and the transmission, but those are not necessary, and I already have noticed that my throttle response and idle are greatly improved. I'm not sure about light dimming yet, But will find out as soon as possible.