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Jeep grand cherokee 2002 wont start without a jump all lights go crazy and will only run about a mile

Started with the voltage hand in the negative then abs light came on then brake light then lights were flashing check gauge light quit after a couple of miles then had to be jumped twice to get a little over a mile away headlights went dim and then out dome lights went dim and wouldnt go out went a little over a mile again and died

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  • Cars & Trucks Master
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Bad battery
bad ground and wires
alternator not charging
everything point to insufficient battery voltage indicated by the need to jump the battery

Posted on Nov 11, 2017

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 8 Answers

SOURCE: 2002 Jeep Grand Cherokee limited 4.7 speedometer flips around when headlights are on bad, and rarely when they are not on.

Sounds like a "bad" earth on the dash head unit. Also check enging to chassis earths, gearbox to chassis, battery to chassis etc.

Posted on Nov 04, 2008

MrScary66613
  • 1990 Answers

SOURCE: I HAVE A 94 JEEP

Check the Belt Tensioner. If the Tensioner is not Keeping the Belt Tight it will Drain the Battery Pretty Fast.Please Rate my Response, I need all the Help That I can Get! Thanks!

Posted on Jan 27, 2009

ourhowse
  • 2007 Answers

SOURCE: Dim dashboard lights and problem starting

Could be a loose or dirty battery connection, poor battery, or alternator. Check all the cables and connections to your starter. Clean your battery posts. Have your alternator and battery checked. It sounds like you are either running off just the battery or just the alternator. One of them is not right.

Posted on Jun 11, 2009

  • 224 Answers

SOURCE: 2004 chrysler sebring 2.7L V6, the odometer dims/brightens

check your ground connections

Posted on Jul 20, 2009

  • 11 Answers

SOURCE: Dim Headlights. 2001 Jeep

seems like a power issue, you could try buying a new battery or take it to an autozone and have your voltage checked battery should be putting out near 13 volts.

Posted on Aug 11, 2009

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1 Answer

P0601 error code


Internal control module (main computer) issue. Expensive to fix, so maybe try resetting, especially if it is not drivable. Have never done this on a Jeep, but here are steps: Disconnect battery cable (negative, then positive). Press and hold brake pedal for at least 30 seconds (ensures no residual voltage in system). Reconnect battery cables (positive, then negative). Start and run. Give it time (several starts and several miles of mixed driving) to re-learn.

Jul 21, 2014 | 2002 Jeep Grand Cherokee

1 Answer

Tried to start jeep and dash gauges went crazy, and then started a mild ticking noise. Tried to juice her for ten mins, and as soon as we took the cables of, the lighs started flickering, and she knocked...


did you jump start? if you did the car is getting all power from the host battery and the motor run, took cable off motor stopped which means your alternator is not charging.

Nov 24, 2013 | 2002 Jeep Grand Cherokee

1 Answer

Was fine started great then voltage hand went left abs light came on brake light came on dome lights came on head lights went off all panel lights went crazy blinking then jeep would not start without


Seems to be having problems with the alternator. Alternator itself can be bad, but also the voltage regulator, which sits inside the PCM (powertrain control module).
Don´t continue using with battery voltage around the 10V, because it will ruin your battery as well. Completely charge the battery with an external battery charger and let the alternator be checked out first.

May 16, 2017 | 2002 Jeep Grand Cherokee

1 Answer

My 2001 jeep grand cherokee limited,when i'm speeding and gets to 40 miles it starts jumping like crazy and i have to stop the truck into it stops


Hello,
As I see the problem, it may be hundred of diferent things to test
One can be the arm control or maybe the arm I think it is something in the suspension stuff...

Jun 30, 2011 | 2001 Jeep Grand Cherokee

1 Answer

Wont turn over but when i jump it it starts then


bad cell in the battery won't hold the charge, also check alternator, once the engine is running the alternator should keep it running even with a bad battery, chances are the fouled alternator caused your battery to fail also

Aug 08, 2009 | Jeep Grand Cherokee Cars & Trucks

2 Answers

Guages when crazy. Now won't even try to start.


You likely have it repaired by now but it sounds like a classic case of oxidized battery or cable connection (sometimes mis-diagnosed as bad battery but cured with new (clean) battery)

Feb 25, 2009 | 2002 Jeep Grand Cherokee

1 Answer

2002 4.0L Jeep Grand Cherokee


Sounds like an intermittent bad voltage regulator inside the alternator,although it could possibly be a loose wiring conecton.You are doing good by checking system voltage at the battery with the engine running.Check for clean tight electrical connections at the battery and at the alternator.Also check grounds.

Jun 30, 2008 | 2002 Jeep Grand Cherokee

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