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Unread 12-12-2013, 07:18 AM   #1
cr8zynelly
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Jeep wont start.

Replaced the heater core. Put everything back together and reconnected the battery and the jeep doesn't recognize that a key is in the ignition. All the lights/headlights/horn work.
I checked all the connections and fuses.
Now Im lost.
Help!!

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Unread 12-12-2013, 11:58 AM   #2
berndog67
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do u have regular keys or transponder keys, cuz even with transponder keys it should almost start or start and immediately die, but if your getting not even a single crank outta it, i would say check your battery voltage hasnt dipped too low and check the battery terminals and cables, cuz our jeeps are very, very, very picky when it comes to good grounds and connections, as u prolly already know from reading on here about no starts to tail lights!
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Unread 12-12-2013, 12:33 PM   #3
cr8zynelly
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I have a transponder key.
Battery seems fine.
When I put the key in nothing happens. The doors chime doesn't go. The dash dont light up. There's no response to putting the key in.
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Unread 12-12-2013, 03:53 PM   #4
berndog67
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i would almost best on the ground terminal not having a good connection, had the same problem when i put a new battery in this past spring, couldnt figure it out for almost an hour, turns out the cable terminal end was outta round, so maybe like 25% of the cable end was touching the battery terminal, put new ends on and not a problem since, if that still doesnt help u then i would bring your battery to the local auto parts store like an advance auto, most usually test them for free, heck u could even jump your jeep to see if it is indeed a key problem
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Unread 12-12-2013, 09:06 PM   #5
cr8zynelly
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What were your symptoms?
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Unread 12-13-2013, 03:26 AM   #6
86cj74.2L
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I'd recheck all those plugs you unplugged to remove the dash to gain access to the heater box.
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Unread 12-14-2013, 10:23 AM   #7
cr8zynelly
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Quote:
Originally Posted by 86cj74.2L
I'd recheck all those plugs you unplugged to remove the dash to gain access to the heater box.
I ran thru all the connections.

Could it have anything to do with battery being disconnected for over a week? I feel like I read something on here a while ago about someone doing a motor swap and having the battery disconnected for over a week and having problems with the ignition when he put everything back together.
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Unread 12-14-2013, 11:28 AM   #8
greeky510
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I have heard of that issue happening when the battery is disconnected for more than a week but I have personally disconnected my battery for 34 days and no issues.
The immobilizer thing is on the steering column around and underneath the key hole. Take your steering column cover of and look at those connections again.
Do you have a remote start installed?

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Unread 12-14-2013, 12:16 PM   #9
cr8zynelly
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Quote:
Originally Posted by greeky510
I have heard of that issue happening when the battery is disconnected for more than a week but I have personally disconnected my battery for 34 days and no issues.
The immobilizer thing is on the steering column around and underneath the key hole. Take your steering column cover of and look at those connections again.
Do you have a remote start installed?

Sent from AutoGuide.com App
Which immobilizer thing?
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Unread 12-14-2013, 02:18 PM   #10
cr8zynelly
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I do have a remote start but haven't used it in years because lost the key fob.
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Unread 12-14-2013, 03:55 PM   #11
berndog67
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Quote:
Originally Posted by cr8zynelly View Post
I do have a remote start but haven't used it in years because lost the key fob.
could be part of the problem if it was wired to the battery directly either a ground or a power source and wasnt hooked back up
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Unread 12-14-2013, 07:49 PM   #12
greeky510
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The immobilizer module is located right underneath the key hole on the steering column. There are a couple of plus there, including a plug with a key sense wire.
What does it do when you turn the key to the ACC, ON and Start position?
Your remote start. Do you have any info on it? Open the drivers door and use the lock button on the door panel. Hit lock-unlock-lock-unlock-lock, did it start?

Sent from AutoGuide.com App
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Unread 12-14-2013, 07:50 PM   #13
greeky510
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Quote:
Originally Posted by greeky510 View Post
The immobilizer module is located right underneath the key hole on the steering column. There are a couple of plugs there, including a plug with a key sense wire.
What does it do when you turn the key to the ACC, ON and Start position?
Your remote start. Do you have any info on it? Open the drivers door and use the lock button on the door panel. Hit lock-unlock-lock-unlock-lock, did it start?

Sent from AutoGuide.com App


Sent from AutoGuide.com App
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Unread 12-14-2013, 09:24 PM   #14
86cj74.2L
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Quote:
Originally Posted by greeky510
The immobilizer module is located right underneath the key hole on the steering column. There are a couple of plus there, including a plug with a key sense wire. What does it do when you turn the key to the ACC, ON and Start position? Your remote start. Do you have any info on it? Open the drivers door and use the lock button on the door panel. Hit lock-unlock-lock-unlock-lock, did it start? Sent from AutoGuide.com App
He said he gets nothing. No dash light bulb check. Like the instrument cluster is unplugged.
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Unread 12-15-2013, 06:17 AM   #15
cr8zynelly
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Quote:
Originally Posted by 86cj74.2L

He said he gets nothing. No dash light bulb check. Like the instrument cluster is unplugged.
Correct. I checked that twice and it is plugged in.

I have headlights/brake-tail lights/Horn

Interior lights when switched on manually(they don't go on when u open the doors)

Drivers door only unlocks/locks itself. Passenger door unlocks itself and BOTH rear doors.

When I put the key in I get nothing. Almost like the dash is unplugged.
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