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  #1  
Old June 20th, 2006, 10:28
Arokcrwlr Arokcrwlr is offline
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Question No crank, no radio, no lights, no nothing

This may be a newb question, but here it goes...

I bought my son a 01 XJ about 6 months ago - it's been a great rig, no problems until now. He jumped in this morning to run an errand and turned the key - NOTHING happened - no power to anything (headlights, radio, ...), didn't crank, etc. He put the charger on it thinking it may be a drained battery - it showed a full charge. I am at work and haven't looked at personally...

I am not familiar with Jeeps, so don't know areas to look. Does this sound like a common issue? Sensor? Relay? Any ideas will be greatly appreciated - otherwise I guess I'll get the volt meter out when I get home and start debugging the elec system.

TIA.
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Old June 20th, 2006, 11:31
Midnight Krawler Midnight Krawler is offline
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Re: No crank, no radio, no lights, no nothing

Bad contact on the battery cable! Positive or negative check them both.
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Old June 20th, 2006, 12:51
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bjoehandley bjoehandley is offline
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Re: No crank, no radio, no lights, no nothing

Yup, had the same happen on the way to work one day, I just pressed hte wire back on the battery to get it to work then tightened the hell out of it before I left for home.
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Old June 20th, 2006, 13:45
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UNCC_99XJ UNCC_99XJ is offline
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Re: No crank, no radio, no lights, no nothing

I'll 3rd the bad contact with the battery terminals. Especially if they're extremely corroded. Seen it happen on several other vehicles.
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Old June 20th, 2006, 14:56
anony91xj anony91xj is offline
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Re: No crank, no radio, no lights, no nothing

Yep, check the connections at the battery. Check all the grounds as well.

Might want to pull the battery and have it load-tested if all those check out, battery might still be shot.
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Old June 20th, 2006, 16:01
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Yoda Yoda is offline
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Re: No crank, no radio, no lights, no nothing

if not the battery just move forward on the power,
like starter, starter coil, see if its got a spark, dist. cap, plugs, plug wires, motor brain, dono of any other electrical things that need to operate.
only saying to do all of this b/c thats what i had to do to mine...starter coil, map sensor, computer, and 2 plug wires were fried!
good luck on fxin it, electrical is a bi%$h
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Old June 20th, 2006, 16:21
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TiRod TiRod is offline
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Re: No crank, no radio, no lights, no nothing

AAA in the '70s reported over 3/4 of their service calls were because of corroded battery terminals. Most of the rest were flats. At $25 a call (now $50 and up ) you can imagine the profit for the local service station.

I didn't get paid that, tho.

Battery top post terminals do not have a gas tight seal where they penetrate the case; sulfuric acid works its way up and wicks onto the joint where the terminal is attached. Side posts do it too - just a lot less, which is a good reason to change over if you can or hate cleaning battery posts every 3-6 months. The cute felt pads don't seem to stop it, just act as a filter to slow it down.
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Old June 20th, 2006, 18:24
Arokcrwlr Arokcrwlr is offline
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Thumbs up Re: No crank, no radio, no lights, no nothing

Thanks for all of the replies. It was corroded battery cables - cleaned em up and it starts like a champ again.
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