I bought a used 10-wire GroundingGear set from a local guy, but he only had 9 of the wires. Can anyone tell from the attached picture which one I’m missing? And if you can tell, how important is it to the function of the set? I’m planning to install it in a 2003.0 G35 5AT Sedan, so I’m especially interested in making sure I have the ECU/TCU wires.

 

I think you're going to have to dig the manual and figure out which is missing. The money wires are the ones that ground the tranny / ecu/ tcu IMHO. I see you have at least one long one to reach the inside the cabin to reach the ecu/tcu

 

Yup, I figured I'd just install them and see which one I don't have, but if it's one of the "money wires" I don't want to go to the trouble of ripping out the glovebox twice. I sent the same Q to Gord, maybe he can tell at a glance which one it is.

 

Well about the only one that you need to get under the car with is the tranny wire. Hopefully he wasn't lazy and left that one.

 

I suspect that may be the missing one since it's probably easy to miss , we'll see. To be fair, the seller (tylersphile) offered to source, buy and deliver whichever wire was missing -- standup guy.

But the price was good so I told him I'd find out & pick one up myself.

 

Or just make one yourself. 4 or 8 awg, 2 wire connectors, some solder and shrink wrap. Most places will have spare wire lying around.

 

Gord Gee got back to me promptly -- the wires are marked on the lugs and, as I suspected, I'm missing the 'T' wire, so I'll just have him send me one.

Thanks.

 

Anybody know the length of the TCU wire?