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Old 07-13-2011, 09:12 AM   #1
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no start no crank

i have an 06 wrangler 6 speed manuel, drove to the store this morning got back home went to start my car an hour later and there is no start no crank, had problem before but went away after a day. looking for some suggestions before i have it towed to my work and cost me a lot of money.

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Old 07-13-2011, 09:20 AM   #2
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check the battery, if the alternator is still charging might be that.

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Old 07-13-2011, 09:27 AM   #3
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No crank?

If it doesn't even make a clicking noise, then it is either the starter or ignition switch where your key goes in. I have a 2003 YJ and had a problem where it would randomly not crank. Mechanic check the whole system and discovered that the ignition switch was bad. Might short the two screws on top of starter and see if that starts it. If so, then it is the switch.
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Old 07-13-2011, 09:28 AM   #4
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That should have said that I have a TJ, not a YJ. This is my first TJ and I'm not used to calling it that! Haha
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Old 07-13-2011, 09:32 AM   #5
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im a mechanic so ive done the obvious, checked battery voltage was at 12.6volts so its good and obviously can't check the alternator output. ill check the other stuff thanks for the suggestions just wanted to see if there was a quick fix. just seems weird that i drove is not even an hour before and the all other a sudden nothing. also check engine light will stay solid for about 20 seconds then flash a few times and go back to solid dont know if thats just cause the ignition is on
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Old 07-13-2011, 09:43 AM   #6
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just trying jumping starter, starter spun but did not engage
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Old 07-13-2011, 10:43 AM   #7
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Since I can't tell how well the starter spun when you jumped it, I'm going to take a guess here and recommend you do two things: 1) Remove both battery cable connections and wire brush them so they are bright and shiny, then tightly reconnect them back onto the battery. 2) Then charge your battery overnight. Not 30 minutes, not 2 hours, not just by driving it around if you jump start it to get it started. Charge the battery either at least 8 hours if not overnight.

Such problems are often nothing more than battery related. Especially if you turn your headlights on but they dim or shut off as you watch them as a helper tries starting the engine.
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Old 07-13-2011, 11:39 AM   #8
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i really appretiate all the input but i feel i must stress that it is not a battery issue. battery is still at 12.4v i cleaned the terminals with accual snap on terminal cleaner brushes and sprayed them down with terminal cleaner. when i go to start there is no crank i have full power to all accesories and cluster. starter is getting power and spins but do not know if it is engaging. i am led to believe it is a clutch sensor do the the fact that this has happened before and depressing the clutch half way made it start but problem only lasted at day then it just went away.
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Old 07-13-2011, 01:01 PM   #9
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Even a very dead battery can still have 12 volts in it.

Measure it while you are cranking the starter - under a load in may not be holding up.

While cranking it should still be AT LEAST 9.6 VOLTS.

If you are really a mechanic, you'd know that.
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Old 07-13-2011, 01:15 PM   #10
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Old 07-13-2011, 02:02 PM   #11
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That the starter motor at least spins is a 100% guarantee that the clutch switch is 100% okay. If the clutch interlock switch was bad, the starter motor would never engage at all.

And as Rich said above, you can still measure 12 volts at a battery that is 99 percent dead. Measure the battery's voltage from the connectors (not the battery posts) while the starter motor is cranking the engine. That will give you a much better indication of the battery's true health and that the cable connectors are making a good electrical connection with the battery.
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Old 07-13-2011, 03:29 PM   #12
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alright could you guys do me a favor and read my posts a little better my car is not cranking and when i say that i mean i turn the key and nothing happens and rich its guys like you that think they know everything that is making this country fall apart
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Old 07-13-2011, 03:42 PM   #13
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Old 07-13-2011, 03:44 PM   #14
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Originally Posted by paul66
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Old 07-13-2011, 03:56 PM   #15
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Originally Posted by ra-wrangler View Post
alright could you guys do me a favor and read my posts a little better my car is not cranking and when i say that i mean i turn the key and nothing happens and rich its guys like you that think they know everything that is making this country fall apart
Its posts like this that wont get you too far.

Why not amuse everyone by just trying what they said then filling them in with your results? If their tips dont work they/we can still help troubleshoot it...but you will be reluctant to find any help with comments like the one above.

Its free advice...if you dont like it, dont complain.
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Old 07-13-2011, 05:48 PM   #16
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Jerry and rich are two smart dudes. Both helped me a ton with my Tj.

I have nothing else to say
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Old 07-13-2011, 07:21 PM   #17
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I'm confused, it doesn't start, you say it doesn't crank, and then you say the starter spins?

Are you by chance jumping power to the main terminal on the starter and not the one on the solenoid, to get the starter to spin and not engage? If so that's normal. If you don't power the solenoid, and just the starter, the solenoid won't kick the bendix out, so the starter will just spin.


What the guys are telling you about the battery is dead on, voltage is a nearly worthless reading, unless you are reading it on a draw, to see if the battery is up to the job.


As for the no start, test light on the S terminal of the solenoid. Turn the key to start, if it lights you have power going to the solenoid from the ignition.
If it doesn't you have a break in the ignition feed. Bad ignition switch, bad wires, bad clutch switch. Also there is that little bug a boo where the connector between the ignition cylinder and switch breaks. Your accessories will work but it will not start.
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Old 07-13-2011, 07:24 PM   #18
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^^ oh sorry Brad. This guy also
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Old 07-13-2011, 08:07 PM   #19
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alright could you guys do me a favor and read my posts a little better my car is not cranking and when i say that i mean i turn the key and nothing happens and rich its guys like you that think they know everything that is making this country fall apart
We're trying to help you and you have the balls to be critical of our help? Personally, I suddenly lost interest in wanting to provide any more assistance to you.
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Old 07-13-2011, 08:12 PM   #20
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we're trying to help you and you have the balls to be critical of our help? Personally, i suddenly lost interest in wanting to provide any more assistance to you.
unbelieveable!!!!!!!!!
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Old 07-13-2011, 10:44 PM   #21
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ok as a final note i have tried everything everyone has told me im very frustrated cause in the matter of an hour my jeep went from working the same and sounding the same as it always has to nothing. i got under my jeep and jumped the two teminals of the starter with the ingnition on ive already missed two days of work because of this problem and dont needs ass holes critizising my lack of knowledge i know tuner cars this is my first jeep and still new the the system im not trying to be a dick i just dont needs ass holes i just want people looking to help not critizies so to those who have giving me good tips i thank you a lot and hope that other people dont stop me from posting new ideas and trying to help other people cause this is not the first problem ive had to fix on my jeep ive have many this is just the first one that has me stumped. so like i said not trying to be a dick im very open to ideas just not in the mood for critizing. rich this is for you im sure your a smart guy from what other people say it sounds like you are but there are better ways of telling people things sounds like you have more underlineing anger that you need to get out and forums are not the place for it. just want help thats it
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Old 07-13-2011, 11:42 PM   #22
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Quote:
Originally Posted by ra-wrangler
ok as a final note i have tried everything everyone has told me im very frustrated cause in the matter of an hour my jeep went from working the same and sounding the same as it always has to nothing. i got under my jeep and jumped the two teminals of the starter with the ingnition on ive already missed two days of work because of this problem and dont needs ass holes critizising my lack of knowledge i know tuner cars this is my first jeep and still new the the system im not trying to be a dick i just dont needs ass holes i just want people looking to help not critizies so to those who have giving me good tips i thank you a lot and hope that other people dont stop me from posting new ideas and trying to help other people cause this is not the first problem ive had to fix on my jeep ive have many this is just the first one that has me stumped. so like i said not trying to be a dick im very open to ideas just not in the mood for critizing. rich this is for you im sure your a smart guy from what other people say it sounds like you are but there are better ways of telling people things sounds like you have more underlineing anger that you need to get out and forums are not the place for it. just want help thats it
If you have tried everything that people have suggested what voltage did u get on your battery when you tried starting it, not at a stand still...three knowledgeable JEEP guys have recommended checking this value, but You are convinced it is not a battery issue, so PROVE it to us.

Maybe you will find help here...but at the rate this thread is moving, it will be closed soon. hopefully you have learned that trash talking members won't get you far on this forum. Maybe pirate4x4 is better suited for you.
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Old 07-13-2011, 11:55 PM   #23
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unbelieveable!!!!!!!!!
x2
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Old 07-14-2011, 12:01 AM   #24
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A**holes? WOW!!!!


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Old 07-14-2011, 12:17 AM   #25
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Lets face it - he's a "mechanic" ????????

It can't be the battery, it can't be the starter, it can't be connections.

Why??? Because he "doesn't want it to be one of those."

So what's left? Trade it for a rice burner.

Let him stew in his own juices.
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Old 07-14-2011, 02:20 AM   #26
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fixed it. it was the clutch sensor it had gone bad
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Old 07-15-2011, 09:32 AM   #27
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fixed it. it was the clutch sensor it had gone bad
you spelled "i replaced the battery" wrong.
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Old 07-15-2011, 10:19 AM   #28
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Haha thanks but the battery is still going strong I know a lot of people are hoping for that
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Old 07-15-2011, 10:37 AM   #29
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Haha thanks but the battery is still going strong I know a lot of people are hoping for that
Nobody was "hoping" for anything in particular to be wrong. We were simply trying to help you by suggesting some common issues for you to look at that can cause the problem you were having.

I'm not so sure everyone will be as quick to offer to try to help you the next time though. It's hard to want to help someone whose attitude isn't even close to being appreciative or the least bit thankful.

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fixed it. it was the clutch sensor it had gone bad
And if you discovered the clutch sensor had "gone bad" yesterday and fixed the problem, how come you posted the below this morning?

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I have the bypass in my fuse box I inserted a 10 amp fuse like it specified but had no results. My shop foreman came by my houes and said it sounds like the starter is engaged and not allowing the fly wheel to spin. I triedto push star it and got nothing. Have you guys seen this problem before?
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Old 07-15-2011, 11:24 AM   #30
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I'm sorry if I seem that way but I was not appretiating a couple of post that where directed at me personally. I am very thankful for anyone honestly trying to help me but have been very frustrated the last couple of days. I was getting nothing out of my car until I jumper the connector terminals for the clutch switch and got a click and every couple of key turns my odometer spelled out "done". My shop Forman came over last night and said my starter sounds like it might be stuck engaged. And I have gotten some very useful knowledge from some people which is why I would like to continue using this forum.

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