brandon2422

i have a 3" rpm gauge, ive hooked it up, and i for some reason it over reads?, i did the power source to my deck, and the ground aswell, the ingition source to my deck aswell, i believe, now the only problme is the rpm wire, i hooked it up to the dizzy, the blue/yellow wire. not sure whats wrong? any help would be appreciated, i own a 99 civic dx sohc. well thanks guys.

nrg3k

I have a similar gauge, but i used the induction clamp instead of cutting the wire.

here is a pic of my dizzy. i was told the blue wire near the lower left is correct - but the blue-yellow appears to be the other one on the right.



Also, when you have it installed, some gauges require a setting to decide what type of motor you have (4, 6, 8cyl or using the clamp)

DJM:>

brandon2422

not sure exactly what you mean by induction clamp, just the other blue wire on the other wire clip thing? what wire in that pic is the one from the tach, and which one did you put it too, by the way thanks for the picture, thats awesome, i really apprciate it man.

VTEC_Thunder

Some tachs (rpm gauge) have a switch on the back that you can select 4, 6, or 8 cylinder engines.

Also, the induction clamp is just a small clamp that clamps to the wire without cutting it and it picks up on the pulse through a magnet in the clamp. (or something like that).

Hope that helps

brandon2422

awesome, yea i know about the switch, ive got it set to 4, didnt help still reads way to much, but ill try this clamp thing and let you know, thanks guys.

brandon2422

ok so i cant seem to find this induction clamp. my car is setup different then the pic, this is what i found, one with 8 wires, one with 4 wires, one with 2 wires, there is no other blue and yello wire, just the one to the clamp with 8 wires, on top of the dizzy. which one do i put it too, and how?? cant figure out how this clamp thing works?

VTEC_Thunder

The right wire may not be the one they say in the instructions and the colour may not match.

You'll have to use process of elimination....keep trying each wire untill you find the right one.

The induction clamp is just clamps onto the wire and picks up the pulse.....you may be able to get one from canadian tire....

brandon2422

ahhhh i got it, this clamp is right by the drivers side, right close to the window. its working great . thanks guys. appreciate it