Timing Switch

[dirt_track_racer_81]

Id like to wire up a relay off my wot switch to send a negative signal to my pcm pull timing. I don't want to forget to flip my switch and blow another head gasket..

[GMPX]

For an LS1 you can use one of the custom OS's to do this.

[dirt_track_racer_81]

Yes I already have a COS5 in my truck with the switch to pull timing, I'd just like to have it tied in with my arming switch or my wot switch with a relay so I don't forget about flipping the timing switch also.. I just need a diagram on how to wire it..

[joecar]

The LS1 COS tutorial shows how to pin/wire the switch...

see page 13 here: COS LS1B Tutorial.pdf (http://download.efilive.com/Tutorials/PDF/Custom%20OS%20Upgrade%20Tutorial.pdf)

[dirt_track_racer_81]

Yea I already have a switch grounding pin 56. And a switch to arm my nitrous, I just want to have 1 switch and not two. I some how want a wire coming off my wot switch which is positive to go to a relay and send a negative signal to pin 56.

[GMPX]

Time to call an Auto Electrician, should be a simple job for them to wire up.

[joecar]

The positive wire coming from your WOT switch activates a second relay, this second relay connects PCM Red:56 to ground...

depending on the WOT switch used a second relay may not be necessary (if it has multiple throws)...

like Ross said, let an Auto Elec. look at it.

[dirt_track_racer_81]

I do all my own work, I've never had any one do any work for me on my truck. I'm just looking for what I need to do whether run a different wot switch, what type of relay and a wiring diagram.. Figured someone would know what I'm looking for.

[minytrker]

You can either use 2 relays to flip 12+ to a - signal or use a nitrous controller to ground the wire when it cuts on. I havent done it the 2 relay method in years, been lating my nitrous controller do it for me.

[joecar]

Post a wiring diagram of your current WOT switch.

[joeygc5]

Id like to wire up a relay off my wot switch to send a negative signal to my pcm pull timing. I don't want to forget to flip my switch and blow another head gasket..

Something like this? Sorry been up for 24hrs
http://i486.photobucket.com/albums/rr227/JoeyGC5/quicknitrousdiagram.jpg

[dirt_track_racer_81]

Just a basic kit

http://i24.photobucket.com/albums/c36/dirt_track_racer_81/08514E63-C5B0-4F4F-97C5-4D0E0E29FC64-5655-0000032464D97135.jpg

[dirt_track_racer_81]

Something like this? Sorry been up for 24hrs
http://i486.photobucket.com/albums/rr227/JoeyGC5/quicknitrousdiagram.jpg
Thank you, I'll test that tomorrow .

[joeygc5]

I owe you for the kickass crank pulley install tool

[dirt_track_racer_81]

I owe you for the kickass crank pulley install toolhahaha well thanks a lot man I really appreciate the help!!

[joeygc5]

So it worked for you? That's basically how my nitrous kit is, just replace the arming switch with window switch.

[dirt_track_racer_81]

Sure did man thanks a lot!!