i saw this on a dsm forum and wanted to adapt this to my rx7. just this diagram has mounting points for the head, coil, and exhaust manifold; does anyone know of bolts that are easy to get to to mount them to or replace for the head.

 

upper manifold

 

I went to www.rotaryresurrection.com and he has a good setup for regrounding. I used it and it solved all of my problems that I had.

 

Damn, that's some overkill!

 

^not really. The harness grounds are pretty fucked up from what I've seen. Atleast for S4's.

My boost sensor was corroded atleast 6inches to a foot up the wire when I stripped mine.

 

Adding 9 more ground points isn't going to fix that.

 

Exactly. Fix the stock grounds and it will cure all problems. Doesn't matter how many grounds you run to various parts of the body and engine...if the ECU ground on the harness is messed up, nothing will work correctly...I'm in the process of doing a detailed "How To Properly Fix Your Ground" writeup because I'm sick of seeing all these "uber ground" threads...

 

Yeah, that'll be useful. There's nothing more annoying than looking at a car with a extra crispy deep fried harness and 50 new ground wires ran everywhere.

 

I would love if you did that Aaron, I've read so much conflicting information on grounding. And I know fixing the stock grounds is the way to go, however, when fixing the stock grounds, do you guys mean replacing the wires completely, or just at the point of contact (ie. at the harnesses, or other connection points)?

 

If the wire is in OK condition, and doesn't have cracks in the casing/etc, then just cleaning the contacts can do wonders. If the wiring is roasted, cracked, etc, then it warrants being replaced.

 

but the only to know if it's cracked or anything is to strip it and see, right?

 

umm no. you should use a TDR.

 

Time Domain Reflectometer? I wouldn't have known that if it wasn't for good ol Google, heh

 

hmmm after looking more into this, this doesn't look like something that a home mechanic would normally have

 

Mine -





I had alot of probs with mine and hesitations intermitantly. All grounds were cleand befor doing anything still persisted. If I replaced them all factory locations that would have solved it. You know this b/c it worked this way when Mazda sold the car.

I wanted a central grounding system and I did not want any loss of conductivity through the chassi or motor. The factory charg harness is a PITA to remove with motor in so I did not feel like redoing it at that time. So I did mine as shown. Solved all issues.

 

Nice grounding setup Iceblue

luckily when I redid my engine bay all my wiring was good... except my low coolant I assume or something up in the coolant area, when I was removing some tape from wiring harness the Utility knife got a little crazy and I cut into that wire but saw no real damage (fingers crossed) and so I taped it up and went about on my merry way... I am just hoping that one doesn't come back to bite me in the ***.

 

Coolant level sensor

 

Is what I figured on it... I hate that little piece of wire it seems so radiculously flimsy... but oh well

thanx for conformation on that

 

In my experience those stereo type distrobution blocks don't last too long in an engine bay. Especially if you mount them over the exhaust...

 

^ Thx for the tip Aaron. Perhaps a heat shield around it may work. I did not run it to long but the time I was runing with it, she held up.

 

can someone draw up a diagram of all ground points and pos points that one should replace. I don't know where they all are. If someone did a diagram then I could take that and apply it to my car.

 

I'm in the process of doing a detailed grounding writeup right now. It will focus of properly repairing the stock grounds and NOT adding 17 million extra grounds. But it won't be ready for a while as I'm also working on a lot of other areas of my website as well...

Long story short, ground diagrams are in the factory service manual. Clean and repair the main body ground, starter ground and ECU ground. That will cure 99% of problems.

 

Forgot the tranny ground. But I think you sould rather wait for Aaron's write up.

 

17 million is a lot and quite honestly would be kinda funny to see a car with a bunch of wires screwed everywhere for grounding... would that be a new kinda "ground effects"?

OMG that was horrible... LOL

 

About that ECU ground...I'm a little nervous about wiring (especially around the ECU) so could someone post a pic of the ECU ground please?




ba-dump, pshhhh

ladies and gentlemen, NeCr0mStR
he's here till thursday