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Old 08-26-2007, 04:28 PM   #1 (permalink)
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Ignition Switch Bypass

I'm needing to know how to bypass the key ignition switch on my '90 Cherokee. I want to go to just a plain "on" switch and a "start" button.

Anyone done this and know how to do it?


Awhile back I had to replace the ignition switch in the column and ever since then I've had problems.
1)The engine would keep running when switched off until the key is removed from the cylinder.
2) If the headlights were on the engine would run with the ignition switched off until you turned the headlights off.

At present my ignition switch doesn't work at all so the jeep is just sitting in my shed growing mold.

Any help is appreciated.
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Old 08-26-2007, 07:55 PM   #2 (permalink)
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Post If you want to do it correct use a flaming river battery switch or equal. The use a m

Quote:
Originally Posted by Jam Master Jay View Post
I'm needing to know how to bypass the key ignition switch on my '90 Cherokee. I want to go to just a plain "on" switch and a "start" button.

Anyone done this and know how to do it?


Awhile back I had to replace the ignition switch in the column and ever since then I've had problems.
1)The engine would keep running when switched off until the key is removed from the cylinder.
2) If the headlights were on the engine would run with the ignition switched off until you turned the headlights off.

At present my ignition switch doesn't work at all so the jeep is just sitting in my shed growing mold.



Any help is appreciated.
If you want to do it correct use a flaming river battery switch or equal. The use a momentary switch for the starter.
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Old 08-26-2007, 07:57 PM   #3 (permalink)
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Post If you want to do it correct use a flaming river battery switch or equal. The use a m

If you want to do it correct use a flaming river battery switch or equal. The use a momentary switch for the starter.

Quote:
Originally Posted by Jam Master Jay View Post
I'm needing to know how to bypass the key ignition switch on my '90 Cherokee. I want to go to just a plain "on" switch and a "start" button.

Anyone done this and know how to do it?


Awhile back I had to replace the ignition switch in the column and ever since then I've had problems.
1)The engine would keep running when switched off until the key is removed from the cylinder.
2) If the headlights were on the engine would run with the ignition switched off until you turned the headlights off.

At present my ignition switch doesn't work at all so the jeep is just sitting in my shed growing mold.



Any help is appreciated.
If you want to do it correct use a flaming river battery switch or equal. The use a momentary switch for the starter.
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Old 08-27-2007, 05:52 AM   #4 (permalink)
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I'm not sure how similar they are, but I did this a wile back on my 93 YJ, and it was prety simple.

on my YJ, the factory ignition switch is on the colom under the dash. I just unplugged the two wiring connections from the switch, and with the help of wiring diagrams, and a tester, sorted out the wires. I just used some 50amp togel switches (easier to find a place to mount than the big batery switches), I used one for power for the accesories, and one for power to the ignition and fuel pump. the I put in a momentary(push button) switch to activate the starter. I also put in a hidden starter cut-off switch, which keeps the starter from accidentaly being activated, and makes it harder for someone to drive off with it.
here's a pic of my switches installed, http://memimage.cardomain.net/member...74_12_full.jpg
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Old 08-27-2007, 09:39 AM   #5 (permalink)
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Quote:
Originally Posted by muddyj View Post
I'm not sure how similar they are, but I did this a wile back on my 93 YJ, and it was prety simple.

on my YJ, the factory ignition switch is on the colom under the dash. I just unplugged the two wiring connections from the switch, and with the help of wiring diagrams, and a tester, sorted out the wires. I just used some 50amp togel switches (easier to find a place to mount than the big batery switches), I used one for power for the accesories, and one for power to the ignition and fuel pump. the I put in a momentary(push button) switch to activate the starter. I also put in a hidden starter cut-off switch, which keeps the starter from accidentaly being activated, and makes it harder for someone to drive off with it.
here's a pic of my switches installed, http://memimage.cardomain.net/member...74_12_full.jpg
Thanks Muddyj, That's what I was looking for. I didn't find a connector under the dash, but I didn't look very hard there.

If anyone else has done this I'd be glad to hear about it.
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Old 08-27-2007, 09:44 AM   #6 (permalink)
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I installed on of these in my YJ. Great product from a great vendor

http://www.12voltguy.com/ignitionstart.htm
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Old 08-27-2007, 12:12 PM   #7 (permalink)
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Quote:
Originally Posted by Jam Master Jay View Post
Thanks Muddyj, That's what I was looking for. I didn't find a connector under the dash, but I didn't look very hard there.

If anyone else has done this I'd be glad to hear about it.

on my YJ, the switch was about half way between the dash and fire wall, on the top side of the colom. there were two electrical connections, and if I remember correctly, the one closest to the fire wall had to come out first.
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