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Unread 02-12-2014, 09:08 AM   #1
Klipsch20
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Possibly a bad starter?

I drive a yj with only 90k miles on it, a couple months ago, once it first dipped below about 35 degrees or so, my jeep wouldn't start, it clicks once and only once when the key is cranked. the voltage gauge reads at about 8 so i know its not a battery problem, but i cleaned the terminals and connectors anyways, i took it to autozone to check the starter but got distracted by bad connections to the battery and cleaned those instead. to get it started i have to turn the key several times, wait a few minutes, then try cranking it again, and when it does finally crank over its super slow and takes between 4-8 seconds to finally turn over and start. so my first guess is the starter, what do you guys think?

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Unread 02-12-2014, 10:15 AM   #2
Jeepsr4me
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Check your battery. 8 is not the correct voltage. More like 12-13
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Unread 02-12-2014, 10:31 AM   #3
Mark05059
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at rest the battery should read no less then 11 volts. Get your battery tested.
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Unread 02-12-2014, 11:49 AM   #4
dancytron
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Did you also clean the ground to the engine block?

Battery cables will corrode on the inside and look fine, but be trashed. Consider replacing them.

If you are very careful, you can use a set of jumper cables to bypass the old battery cables as a test.
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Unread 02-12-2014, 07:12 PM   #5
jbeebe
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On cold mornings i'm not surprised your voltage is reading that low. Sometimes mine is as well after sitting for a couple days in the cold, but it should still crank, albeit slowly, at 8V.

Next time it happens try having someone hit the starter with a hammer over and ovoer while you're trying to start it. If it all of a sudden starts, you know it's the starter. Or just replace the starter and see if it works! Whenever my vehicles "click" and don't crank, the starter is usually the first place I go if i know the battery isn't dead.
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Unread 02-12-2014, 09:41 PM   #6
bpounds
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Oh come on. He said it was 35 degrees. Not even freezing! There is no way it should be cranking slow, and 8 volts is a dead battery. Not just weak, but dead. I don't know if the PO can actually properly read a voltmeter, but if the battery is really 8 volts, it is bad. Probably a shorted cell.
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Unread 02-12-2014, 09:42 PM   #7
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Get a new battery.
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Unread 02-12-2014, 09:55 PM   #8
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Battery.
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Unread 02-13-2014, 03:23 PM   #9
Rproject
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Oh come on bpounds, a little harsh today, aren't we? Dang dude!

OP, if it's your starter, she'll crank and crank and crank and not turn over. Get your battery tested like the others have said. If your battery comes back as good, it could be something as simple as the wiring harness at the bulkhead (where it passes through the firewall) has corrosion on it. Or your battery cables could be internally trashed as stated above.

I'm with the group on this one ---- leaning towards the battery, not the starter.
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Unread 02-13-2014, 04:00 PM   #10
bpounds
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Yeah, maybe a little harsh. Thing is, I wasn't going to join in on this thread, because the question was pretty basic, and should have been an easy answer. But when replies suggested barely cranking over in above freezing temps was normal, I guess I vented a little.

And I still don't get this:
Quote:
Originally Posted by Klipsch20 View Post
...the voltage gauge reads at about 8 so i know its not a battery problem,...
Does anyone really think 8 volts is okay?
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Unread 02-13-2014, 04:16 PM   #11
Rproject
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I hear ya on the 8 volts gig. You need at least 10 to get anything going. 8 just ain't gonna cut it.
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Unread 02-13-2014, 04:47 PM   #12
jay-h
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Quote:
Originally Posted by jbeebe View Post
... Whenever my vehicles "click" and don't crank, the starter is usually the first place I go if i know the battery isn't dead.
Click but no crank is very often battery cable connections. Do a voltage drop test on both hot and ground side
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Unread 02-14-2014, 10:00 PM   #13
hanshunter
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Starter solenoid...exactly the same thing happened on mine.
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Unread 02-15-2014, 07:02 AM   #14
Rproject
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Quote:
Originally Posted by hanshunter View Post
Starter solenoid...exactly the same thing happened on mine.
It is a possibility, and if that is what it is, on the later YJ's, it'll need a new starter. Early ones had the solenoid on the firewall.
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Unread 02-15-2014, 08:47 AM   #15
bpounds
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Quote:
Originally Posted by hanshunter View Post
Starter solenoid...exactly the same thing happened on mine.
How does that explain 8 VDC?

Of course, the OP could be reading that off his dash gauge, which is worthless. He has another thread going on this same issue, and he has other electrical gremlins too.
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