I know all the grounds im suppose to have (-) Battery to frame, tranny to frame (battery in the trunk separate ground), valve cover to frame, and lastly the wiring harness to thermostat housing.

Weird thing is the guy i bought the car from had another ground going from the back of the head (over cylinder #1's intake runner) to the frame of the car. Which also had a little wire spliced into the ground whichs goes to the ITR i/m itself (i guess grounding it, i don't know).

My question is do i really need that last ground i mentioned?? And will the little wire grounding to the i/m do anything (its just screwed in that little hole to the right of the IAT sensor)? Or can i just take out this ground (its like 2 gauge wire)??

 

try a search. I just read a great post on this.

 

I have searched quite extensivly to only find what i already know. But i will try and search some more, or maybe you could give me the thread of great information you just spoke of.

 

https://honda-tech.com/zerothread?id=401216
Also try https://honda-tech.com/zerothread?id=685238
but the first link is better