N2O Tech Discussion for the use of Nitrous Oxide

Nitrous wiring problems

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Old Jun 4, 2006 | 02:26 PM
  #16  
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Re: Nitrous wiring problems

Originally Posted by stroked383z28
I don't know what color wires correspond with what terminals on your relay, but it should be wired up like so:

85 -- ground
86 -- to WOT switch (then from there to arming switch ACC terminal)
30 -- +12V from battery
87 -- to solenoids

Use a DMM to see if you are getting 12 volts at the solenoids when the system is activated. If not, trace your wiring back testing along the way to find out where you are losing power at. I would personally grab switched power at the orange wire coming off the ignition switch, with a fuse inline of course, since it will handle activating a relay no problem.
Yeah, I checked my wiring as per your number designations and not just the color and the wiring is correct. So what size fuse would you recommend I use if I splice directly into the ignition switch because I may have to do that afterall. Thanks again to everyone for all help offered.
Old Jun 4, 2006 | 05:37 PM
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Re: Nitrous wiring problems

Man I feel your pain on this. So close and nothing to show yet.

If you have a volt meter and your system is energized where there is voltage to the + side terminal on the solenoid, you should be able to ground the other negative terminal and here the click. That is taking it to the basics.

I just went out and checked volts on my car with the engine off, it's a little of 14. Get a full charge on the battery and disconnect one of the solenoids completely from any electrical source. Run a hot wire from the positive terminal on fender directly to the solenoid positive side, then ground the other side. Just hearing the click will at least give you one answer. Please let us know what happens. Good luck on this.
Old Jun 4, 2006 | 05:43 PM
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Re: Nitrous wiring problems

Originally Posted by 01Z
Man I feel your pain on this. So close and nothing to show yet.

If you have a volt meter and your system is energized where there is voltage to the + side terminal on the solenoid, you should be able to ground the other negative terminal and here the click. That is taking it to the basics.

I just went out and checked volts on my car with the engine off, it's a little of 14. Get a full charge on the battery and disconnect one of the solenoids completely from any electrical source. Run a hot wire from the positive terminal on fender directly to the solenoid positive side, then ground the other side. Just hearing the click will at least give you one answer. Please let us know what happens. Good luck on this.
I forgot to mention I did that as well, I ran the two of the wires of each solenoid directly to ground and the other pair directly to the battery and I heard the solenoids click.
Old Jun 4, 2006 | 05:56 PM
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Re: Nitrous wiring problems

Ok, so at least now we know that the solenoids are good. We also know that your battery is at least putting out enough voltage to operate the solenoids. Now, put your hand on the relay for the nitrous. You will be able to feel it and hear it click if it is working. My guess is that it is not, but let us know if it is. You really need to get a multimeter, or at least a test light if you don't want to spend very much money, and start testing the wires back from the relay. Test the wire between the relay and the WOT switch, WOT switch and arming switch, and so on. As for the size of the fuse, a 10 amp will be plenty since you are just using that circuit to activate a relay.
Old Jun 4, 2006 | 10:39 PM
  #20  
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Re: Nitrous wiring problems

series wire it to make sure all your parts are working properly. 12v to activation switch to WOT switch to solenoids to battery ground. very simple and easy to test. I usually use relays on my nitrous installs, but as long as you use a 30 amp switch and a 25 or 30 amp fuse, you will be safe in series.
Old Jun 4, 2006 | 10:41 PM
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Re: Nitrous wiring problems

2000gtp i will have to check tomorrow, i havent looked over the wiring for a while now.
stroked383, yeah i cannot feel nor hear my relay working. i thought that is what it was to start out with, so i bought a new one and nothing still.

qoute from z28 95pride "ultimately though, you will hook your solenoid gounds to the lavender wire (window rpm) on the 685 when you are finished"

^^^ i do not have that done! is that something that has to be done, or just recommended???
Old Jun 5, 2006 | 08:22 AM
  #22  
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Re: Nitrous wiring problems

Originally Posted by camzaro28
qoute from z28 95pride "ultimately though, you will hook your solenoid gounds to the lavender wire (window rpm) on the 685 when you are finished"

^^^ i do not have that done! is that something that has to be done, or just recommended???
If you don't use the window switch (Rev SWITCH LOW (mode 5) / Rev SWITCH HIGH) (mode 6)) as the ground for the solenoids then the window switch feature will have no effect. Grounding the solenoids completes the circuit, allowing them to be energized regardless of the hot side switch's ON position. The lavender wire from the Hyfire is a grounding wire that only happens when the RPMs are within the set limits in the Hyfire. Another member kindly pointed this out to me. As he said, he found out the hard way....
Old Jun 5, 2006 | 08:35 AM
  #23  
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Re: Nitrous wiring problems

well the gorund on the from the mallory ( well the lavender wire ) goes to the arming switch. i take it that, that is not right?
so if i take the lavender and wire that into the ground on the noids, where do i get the ground for the arming switch? just off the chassis or whereever?

thanks for that reply
Old Jun 5, 2006 | 05:20 PM
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Re: Nitrous wiring problems

ok i am gonna go hook the lavender up to the groung on the noids. ? is, can i make a Y off of that? like keep it goin to the arming switch so that it lights up when it is on and the other to the ground of the noids? it makes sense to me, but it could be totally off.
thanks again
Old Jun 5, 2006 | 05:34 PM
  #25  
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Re: Nitrous wiring problems

Ok, there is definitely something going on with the activation switch.... When I use the Jimmy Jams switch, it will light up when I push it on, but the solenoids dont click when I press down the accelerator pedal. To try something else, I wired up the switch that NX supplied and I immediately blew the Dash panel fuse again... I don't understand, I have a switched 12 volt going to the power terminal, I have the WOT wire going to the ACC terminal, and a ground wire going to the Ground terminal. I also did resistance checks on all the wires and they all tested out fine. Any ideas?
Old Jun 5, 2006 | 08:36 PM
  #26  
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Re: Nitrous wiring problems

UPDATE:
I basically wired up a whole new circuit with spare parts and I got it to work! Basically, the culprit of all this is the Jimmy Jams nitrous switch plate.... When I hooked up all of the connections to the rockers on the plate, nothing was working... When I hooked up the connections to the rocker switch supplied with the NX kit, everything worked perfectly. I'm still drawing a question mark as I hooked up the Jimmy Jams switches properly, yet they are not working. Is there anyone with the Jimmy Jams ashtray switch plate that would care to give me an idea of what I could be doing wrong. If not, not a big deal, I will just use the NX rocker switches.
Old Jun 5, 2006 | 09:25 PM
  #27  
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Re: Nitrous wiring problems

well i did what i said i was gonna do and that did not work out at all. car would only go up to 2400 rpms, then if i held it there it would backfire loud as hell. and even geting up to speed it was stumbling over real bad.
so yeah, the lavender wire goin to the ground on the noids and to the ground for arming switch did not work at all.
so still at a loss
well nice to see u got ur stuff working 2000gtp, hopefully i am not far behind.
Old Jun 5, 2006 | 11:36 PM
  #28  
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Re: Nitrous wiring problems

You have a ground wire going to your arming switch?

Is this something to do with the relay? My arming switch is + in one side and + out the other to the solenoids. No grounding to the arming switch whatsoever. it's a single pole / single throw switch. Is yours a double pole?



Hot wire to one pole and the wire from the other pole (non fused side) goes to the solenoids or with my kit, the ZEX composite module which contains the noids. No ground wire involved with the switch.
Old Jun 6, 2006 | 05:06 AM
  #29  
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Re: Nitrous wiring problems

Originally Posted by 01Z
You have a ground wire going to your arming switch?

Is this something to do with the relay? My arming switch is + in one side and + out the other to the solenoids. No grounding to the arming switch whatsoever. it's a single pole / single throw switch. Is yours a double pole?



Hot wire to one pole and the wire from the other pole (non fused side) goes to the solenoids or with my kit, the ZEX composite module which contains the noids. No ground wire involved with the switch.
Mine has a total of three poles on it, so I'm assuming it would be in the following order: Power, ACC, Ground.... I'm not sure now though.
Old Jun 6, 2006 | 05:26 AM
  #30  
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Re: Nitrous wiring problems

Originally Posted by 2000GTP
and the red wire of the relay is connected to the one of the terminals of the WOT switch. The other terminal of the WOT switch is then connected to the ACC terminal on the system arming switch.
Which wire of the TPS are you connecting the relay's red wire to? There are three possibilities and I can't imagine any of them accepting a 12 volt input.

I'm looking over the NX pdf's wiring diagram. I want to understand this. Thanks....



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