Anybody ever use a window switch with Zex? I'm having problems.

deadly97snake

Founding Member
Mar 21, 2001
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Manchester, NH
I was told that I have to use a relay. So then I bought a Relay from MSD with the part # MSD-8960.

Well then I got the Relay in and the pin numbers on the Relay are: 0, 1, 2, 3, 4, 5, 6, 7, 8

Ok The Zex Tech guy told me that I should wire the relay like this:

Pin#1- to the window switch
Pin#0- to the ground
Pin#4- to the throttle position sensor
Pin#2- to the Nitrous Management Unit
Pin#'s 3,6,7,8 are not used.

The wire that was supposed to go from the Nitrous Management Unit to the TPS will go from the NMU to pin#2 instead.


Well I tried to do all of this and when I went to turn on the car the nitrous box was getting no power at all. So now I am wondering what was wrong.
 
I would double check the window switch electrical schematic. I have no idea why you are hooking the nitrous up to a window switch, seems stupid. I'd just get another fog light switch and put it in the console and be done with it.

Jamie
 
Ranchero5.0 said:
I would double check the window switch electrical schematic. I have no idea why you are hooking the nitrous up to a window switch, seems stupid. I'd just get another fog light switch and put it in the console and be done with it.

Jamie

I am hooking up the Nitrous kit to a window switch for an extra safty precaution. I am not a bad driver but I have missed a gear here and there. The pills on the window switch are for 3000RPM and 5800RPM.
 
OK mabey this will help

Well I know I need a relay. I have it. MSD part#8960 http://www.msdignition.com/pdf/8961_8960_msd_relays.pdf

Like I said the Relay has 8 pins that are numbered 1-8.

The window switch has 4 wires. MSD part#8956
Red wire- Connect 12 volt
Black- Connect to a Ground
Yellow wire- To the Coil
white wire - Connects to the ground side of the device you plan to activate.

The Zex has a nitrous mangement box that has 4 wires.
Red Wire- Activation switch switch
Black Wire- Ground
White Wire- Throttle Position Sensor


The Nitrous Activation switch has 2 wires.
One to a 12V power source
The 2nd is red wire that comes from the Nitrous management box