wiring a push button start - JeepForum.com
 
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post #1 of 8 Old 08-13-2019, 12:57 PM Thread Starter
bubba030303
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wiring a push button start

I am trying to put a push-button start in my 84 CJ. I found this diagram on here https://www.jeepforum.com/forum/atta...wtwiring1a.jpg but I don't know where to put those wires. I am new to this wiring thing and cant read a wiring diagram to save my life. I will have a toggle to turn the power on and off and then the push button to start. That's all I want to do to it. It is used on a cattle ranch as a work vehicle, so all I need to do is make it start and run not worried about any accessories unless necessary. Just need it to crank and run.

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post #2 of 8 Old 08-13-2019, 01:04 PM
John Strenk
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I use to have a drawing and I'll see if I can find it or draw up a new one for you. It's not a schematic but picture of switches and wires running to each location.

Did you buy the switches individually of buy a kit from someplace like Summit Racing?

also do want a switch for accessories like radio, heater, turn signals?

Is everything still stock like the computer control and all that stuff?
The 84 jeep had an emission computer in it to control the engine. A lot of people figure out how to bypass it but if you didn't yet, that will have to be considered also.


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post #3 of 8 Old 08-13-2019, 01:41 PM
John Strenk
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Here is an example of wiring up a pushbutton switch with a panel from summit racing.

One switch is for the ignition the other is for accessories.
Attached Thumbnails
joe-46100_xl.jpg   2Switch Pushbutton panel.jpg  


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post #4 of 8 Old 08-13-2019, 09:40 PM Thread Starter
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That’s awesome. That’s what I’m looking for. Thank you. It’s still stick everything. Don’t care about blinkers gauges don’t work so don’t care about those either. Just need headlights and it to start and run. No windshield or doors. It strictly a farm truck. Never goes on pavement. So if this fix will do the trick I’ll look up that switch from summit and install this weekend.
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post #5 of 8 Old 08-13-2019, 09:43 PM Thread Starter
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What did you mean about the emissions computer. Will doing this push button cause a malfunction with it?
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post #6 of 8 Old 08-13-2019, 11:32 PM
BagusJeep
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The computer is fed from the ignition circuit via a fuse in the fuse box so should run just fine with John's diagram.

In fact, all the circuits should run just fine including gauges and blinkers. Unless they are broke of course.

The CEC computer is unreliable and generally a PITA that many owners junk along with all its sensors and wires once it goes wrong, new ones being unobtainable. If the parts are in working shape, highly saleable. The engine will run better afterwards.

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post #7 of 8 Old 08-14-2019, 04:45 AM
John Strenk
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Quote:
Originally Posted by bubba030303 View Post
What did you mean about the emissions computer. Will doing this push button cause a malfunction with it?

No, It will not have any effect on the computer wired up this way.

However, it would be easier to accidentally leave the ignition switch on without the engine running and that would cook your Ignition Control Module (ICM)
This was also a problem with the key system but people usually pulled the key out.

With just a switch, It could easily be left on.


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post #8 of 8 Old 08-14-2019, 01:18 PM Thread Starter
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To turn the engine off you have to flip the switch off so why would we leave it on?
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