Thread: Rapping wire for tach
04-11-2007, 04:23 PM #1
Rapping wire for tach
On my tiny tach I installed last season I put the wire around the red part of the front spark plug wire. Is this right? Since then I had my motor pulled and redone by a local shop and they cut the cord for it. So I re did it and it just doesn't seem right anymore.
So my question is, is there any difference in where you wrap the wire for the tach.
04-11-2007, 04:30 PM #2
On my GP (not GPR), the red is the sheath that covers the actual spark plug wire. You want to wrap the wire around the actual plug wire, not the sheath.
04-11-2007, 04:39 PM #3
For some reason i was thinking that the wire that was on the tiny tachs was a special wire that couldnt be cut and spliced. I think I have read that in their instructions. You can send it to them and have them fix it if you think the tach is worth the freight.
04-11-2007, 04:39 PM #4
- Join Date
- Jan 2006
My tiny tach worked best with the wire wrapped arround #1 lead by the spark plug cap.
Every where else it didn't read correctly
04-11-2007, 04:39 PM #5
04-11-2007, 04:43 PM #6
04-11-2007, 04:45 PM #7
Yea the wire is special. The red wrap wire is incased by the grounding wire through the main part of the wire. When it splits they just simply take the ground from around the red off. I fixed it at good as I could but I have Lvspeed letting me borrow a tach to double check my readings. I have it wrapped around the red part of the wire toward the ecu box. So maybe thats where some of my rpms are.
04-11-2007, 04:49 PM #8
04-13-2007, 11:51 AM #9
What kind of RPM loss on the tach could this show????
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