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post #1 of 20 Old 10-05-2009, 11:00 AM Thread Starter
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Starter Problem?

1st time was last week. I walk out to the Jeep turn the key. Click, then nothing. Does this a couple of times and then starts fine.

Next time was last night and then again this morning.

I know a weak battery in the JK will act like this. I replaced my factory battery with an Optima Blue Top about a year ago when it acted very similar.

Heres the difference. The voltage on the battery is 12.7 V and never dips below 12.4 V on a failed start. It very briefly drops down to 11.25 V on a successful start. I get 14.1 V with the engine running. All connections are tight on the starter and so forth. It's starting fine now so it's hard to figure.

I know a lot of people have replaced the clock spring in the steering column. I seem to recall this could cause ignition problems.

Any ideas?

Last edited by RotorHead; 10-05-2009 at 11:27 AM.
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post #2 of 20 Old 10-06-2009, 10:33 AM Thread Starter
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Wow, really? Never thought of that. I'll try that one next. Thanks.
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post #3 of 20 Old 10-06-2009, 10:38 AM
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maybe the folks with past starter problems are all on vacation. No help here, good luck and keep us updated

........My other hobbies include: Older cars and trucks; Spending money on unfinished projects, and continuing to not finish them...

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For my money, the most notable part of this thread is all the fallout from bsack's fortune cookie factory explosion.
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post #4 of 20 Old 10-06-2009, 10:42 AM Thread Starter
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maybe the folks with past starter problems are all on vacation. No help here, good luck and keep us updated
Hey man, thanks for replying at least. I was beginning to wonder if this thing was on or not. So much new traffic lately, it seems stuff gets pushed back to page two pretty quick.

So far, no more problems, but I'm sure it will resurface when most inconvenient.
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post #5 of 20 Old 10-06-2009, 10:47 AM
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Hey man, thanks for replying at least. I was beginning to wonder if this thing was on or not. So much new traffic lately, it seems stuff gets pushed back to page two pretty quick.

So far, no more problems, but I'm sure it will resurface when most inconvenient.
I know what you mean, just trying to keep up with new posts has become a challenge if I miss a day or two, much less reading through the older stuff.

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For my money, the most notable part of this thread is all the fallout from bsack's fortune cookie factory explosion.
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post #6 of 20 Old 10-06-2009, 10:55 AM
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Take the battery to be tested.

2 weeks ago when my battery was bad, I could not get the engine to turn over if the battery voltage was below 13v. I had to charge it daily (until I got the new battery). At full charge it would read 14.5v
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post #7 of 20 Old 10-06-2009, 11:02 AM Thread Starter
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Take the battery to be tested.

2 weeks ago when my battery was bad, I could not get the engine to turn over if the battery voltage was below 13v. I had to charge it daily (until I got the new battery). At full charge it would read 14.5v
Yah, I hate the way the starter system works on the JK. 12.8 Volts should start any car. At least let it try and turn the starter. I'll take it down and have it tested, but I'm skeptical. I'm hoping the battery is the problem, because I should get a new Optima for free, but it's still bs.

My OEM battery would at least have a voltage drop and even wipe out presets on the radio when it was dying, but this one is different. It never drops below 12.4 V.

Can't hurt to have it tested though. Lots of winter still ahead.
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post #8 of 20 Old 10-06-2009, 11:36 AM
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Quote:
Originally Posted by N2rock View Post
Take the battery to be tested.
X2 I've had one red top and two yellow tops fail after just a few months on other vehicles.

I gave Optima one last chance with the JK and put in a red top about 18 months ago, but that's on it's way out. At least you get 36 months warranty on the red tops, but I won't buy another Optima battery.
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post #9 of 20 Old 10-06-2009, 11:38 AM
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BTW Next time it happens, immediately connect up some jump leads and see if it starts straight away.
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post #10 of 20 Old 10-06-2009, 11:40 AM
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If you have an AUTO, then put it in Neutral and try the starter again. Mine has a problem with still thinking it's in gear, so it won't start until I move it to neutral.

Dirty Minion #6
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post #11 of 20 Old 10-06-2009, 11:44 AM
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Seems like everything i've read about this sort of thing, concerning the JK's..it's the battery. Looks like a dual battery set up is in my very near future!

Hope you figure it out OP.

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post #12 of 20 Old 10-06-2009, 11:47 AM Thread Starter
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Originally Posted by PhilD View Post
BTW Next time it happens, immediately connect up some jump leads and see if it starts straight away.
That's kind of what I'm waiting for. I've heard all of the horror stories about the Optima's too, but so far, mine's been OK. That may be changing now though.

One of the reasons I bought the blue top instead of yellow was the warranty.

18 months free replacement, remaining 18 months prorated

Not as good as the red, but better than the yellow.

Edit:

Seems they changed their warranty for batteries purchased after Feb 2009. The Yellow now carries a 3 year free replacement and the blue is 2 years.

Last edited by RotorHead; 10-06-2009 at 11:52 AM.
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post #13 of 20 Old 10-06-2009, 11:49 AM Thread Starter
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Originally Posted by dayton1999 View Post
If you have an AUTO, then put it in Neutral and try the starter again. Mine has a problem with still thinking it's in gear, so it won't start until I move it to neutral.
Does it engage the starter and then quit though? I've thought about this also. Still waiting for the next malfunction.

Last edited by RotorHead; 10-06-2009 at 12:03 PM.
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post #14 of 20 Old 10-06-2009, 11:53 AM
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another thought is the sentry key
are your vehicles equipped with them?
when i first got my Jeep i noticed a lag and actually had it die on me once or twice...... slow down your starts the Jeep is a whole new animal with new technologies and they have their quirks
instead of "jamming the key and twisting"
try turning the key to on, let the system cycle, then crank
since changing my style jus a lil bit i have not han an issue starting it

scene: Agaudo smashes cockroach to provoke ventura
Agaudo: Homicide!, ventura how you gonna solve that one?
Ventura: Good question Agaudo,first I'd establish a motive..in this case the killer saw the size of the bugs dick and became insanely jealous!
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post #15 of 20 Old 10-06-2009, 11:59 AM
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Originally Posted by RotorHead View Post
Seems they changed their warranty for batteries purchased after Feb 2009. The Yellow now carries a 3 year free replacement and the blue is 2 years.
An improvement as it used to be just 12 months for the yellow, but it still won't get me to buy another one. I'd like to have put some blue tops in my boat, but there is no way I trust them enough anymore.
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post #16 of 20 Old 10-06-2009, 11:59 AM Thread Starter
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Quote:
Originally Posted by jkjones View Post
another thought is the sentry key
are your vehicles equipped with them?
when i first got my Jeep i noticed a lag and actually had it die on me once or twice...... slow down your starts the Jeep is a whole new animal with new technologies and they have their quirks
instead of "jamming the key and twisting"
try turning the key to on, let the system cycle, then crank
since changing my style jus a lil bit i have not han an issue starting it
Yah, I get what you're saying, but I've got over 50,000 miles sitting on my ass in my JK. I did consider this and try to repeat the process slowly when it failed, but no go.
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post #17 of 20 Old 10-06-2009, 12:01 PM Thread Starter
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An improvement as it used to be just 12 months for the yellow, but it still won't get me to buy another one. I'd like to have put some blue tops in my boat, but there is no way I trust them enough anymore.
The yellow and blue are identical minus the warranty and extra terminal locations, but yah, I've heard to much bad about them. Just figured I'd give them a chance.
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post #18 of 20 Old 10-06-2009, 12:37 PM
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https://jkowners.com/forum/showthread.php?t=12985

you arent the only one with starting issues


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A Jeep just zipped past my house and I could swear I heard the driver yellin:

"The tkob is coming!! The tkob is coming!!"
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post #19 of 20 Old 10-06-2009, 12:50 PM Thread Starter
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https://jkowners.com/forum/showthread.php?t=12985

you arent the only one with starting issues
Good read. Thanks for doing my research for me. I somehow missed that one.

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post #20 of 20 Old 10-06-2009, 03:21 PM
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Quote:
Originally Posted by jkjones View Post
instead of "jamming the key and twisting"
try turning the key to on, let the system cycle, then crank
since changing my style jus a lil bit i have not han an issue starting it
Nevr had a problem turning the key as fast as it will go, with an auto you can twist as fast you want, let go, and let the tip start do it's work.
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