Question about 2000 Jeep Grand Cherokee

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Radio flickers on and off voltage meter swivels back and forth

My jeep has recently started acting up and i have no idea why. The radio has begun flickering on and off randomly and for random durations. It has also reset itself a couple times, turning off completely and then resuming again. I noticed that the voltage meter on the instrument panel has been swiveling back and forth from its normal position. It usually runs around 14 but will swivel from anywhere between 12.75 to 16.50. Lastly the horn acts up a little also after it has sat for awhile. The horn kinda does this little short burst almost like i am activating the alarm. When i had the fuse panel under the hood open i heard a little surge of power run through and the horn went off.

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What year and model? A standard answer will be you have an electrical problem possibly an alternator or a poor ground when you lose power to the radio it will reset has the battery died recently?

Posted on Mar 31, 2017

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Posted on Jan 02, 2017

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SOURCE: How can I reset my Factory Alarm on my Jeep it wont run

Alarm Module Reset Procedure
NOTE: This information applies to a Vehicle Theft Security System (VTSS) that was armed when the battery was disconnected and reconnected.
When the armed VTSS senses that the battery has been disconnected and reconnected, it enters its power-up mode. In the power-up mode the alarm system remains armed following a battery failure or disconnect. If the VTSS was armed prior to a battery disconnect or failure, the system will have to be actively or passively disarmed following a battery reconnection.
The power-up mode will also apply if the battery goes dead while the system is armed and battery jump-starting is attempted. The engine no-run feature will prevent the engine from starting until the alarm system has been actively or passively disarmed.
Passive disarming of the Vehicle Theft Security System (VTSS) occurs when the vehicle is unlocked using the key to unlock either front door or the lift gate. Active disarming of the VTSS occurs when the vehicle is unlocked by depressing the Unlock button of the Remote Keyless Entry (RKE) transmitter.
Once the alarm has been activated (horn sounding, lights flashing, and the engine no-run feature), either disarming method will deactivate the alarm.
Depressing the Panic button (if equipped) on the RKE transmitter will also disarm the VTSS, but the horn will sound and the lights will flash for about three minutes as part of the Panic feature. The horn and lights can be stopped by pressing any of the RKE transmitter's buttons or driving the vehicle above 15 mph.

Posted on Jan 28, 2009

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SOURCE: guages on instrument panel died 1998 jeep cherokee

Others have had this problem too. Most times it's a loose connection behind the gauge cluster.:

When you take the dash apart to get at the back of the guage you'll see that the connectors for the panel are attached to a molded piece of black plastic and the panel sits on top of them. The solution I used was to actually cut the plastic back (you can break it back too...) and insert the plugs tightly, then put a dab of hot glue on top and bottom to keep them from backing out. It keeps them nice and snug and you can remove them in one minute with a razor knife if you need to. After about a year I haven't had the problem since.

BTW - your mileage is not accurate if you have this problem. I noticed that when the gauges are off, it does not count mileage...went about 5000k miles without an oil change once...Just some addt'l info.

I know it's not a factory fix, but it costs about $1 for a glue stick and it only takes about 30min.

Hope it helps you.

Posted on Nov 08, 2008

  • 1 Answer

SOURCE: 1989 Jeep Cherokee - Electrical Problem - horn, brake lights, blinkers, radio/cd...

I think I have found the problem. When I wiggle the ignition switch the turn signals and radio go on and off so I feel the issue is in the ignition switch. From what I understand the actual electronics for the switch are at the base of the sterring column behind the lower dash panel and is connected by a rod that may need adjusting.

Posted on Jan 04, 2009

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SOURCE: 1998 Jeep Wrangler Electrical Short in Steering Column?

I had a similar problem with my 2000 Jeep TJ and I found the problem in the wiring harness under the hood.several wires were corroded and almost burnt off.If you remove the black tape which keeps the harness bundled together and if you see evidence of "green" type powder or "gook" it's most likely where the wires have faulted.

Posted on Jan 15, 2009

  • 99 Answers

SOURCE: Disarm malfunctioning alarm system jeep cherokee 1999

try to find a fuse and take it out it may have one just a guess

Posted on Jan 26, 2009

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I put a new alternator/battery in my 02 jeep grand cherokee limtid and now my batttery gauge keeps moveing back and forth . whats causeing this?


what engine option????????????????????????????
that dash meter is a volt meter.
so when that meter varies
connect any hand meter, DMM (volts) to the battery lugs
do both meters vary,?,, yes, BINGO its not fibbing to you, the
voltage is out of control. per below:
but key on volts is 12.6v
and running does vary from 13.3 to 15v, this is NORMAL
outside that range is AB-NORMAL.(running)

post actual accurate voltages. and we cant find true cause.
is engine RPM always above 800 rpm
is the alternator fan belt at spec, tension?

if engine RPM drops , way low the ALT drops.
if the belt slips ,same deal.
My 4.0L uses a serpentine belt that must be set real tight.
100lbs. in fact. i have a spec tool to do that. (guessing dont work)
tell engine on 02 GC and we can look it up.


Apr 01, 2014 | 2002 Jeep Grand Cherokee

1 Answer

Dash lights and radio lights sometimes work or flicker when hit a bump. Any ideas?


Might be a loose battery cable. Just a thought. did see other post where you stated that you've disconnected battery several times. Hope you find/found a solution.

Mar 13, 2013 | 1998 Jeep Grand Cherokee

1 Answer

Trouble lights flickering,the dash trouble indicator lights are flickering on an off and are dime on some of them when they do come on. there is nothing seemingly wrong until it drains the battery after a...


check the battery voltage with a digital meter, clean the cables and terminals replace any loose ones. check grounds

car off should be minimum or 12.5 anything less its probably a bad or low charged battery, with the car running with ac on and lights on high beams
should be 13.5-15v
anything less the alternator should be checked and or replaced. 13.5 is on the low side of the scale keep that in mind.

as far as the accessories acting up, a low battery or bad alternator will cause all sorts of things to flicker and act up so start with the above first
and good luck
if after all thats completed and your still over time having a dead battery you have a parasitic drain, every car has a small one normally but a big one can be big trouble,
disconnect the battery get yourself a test light. clamp one end of the test light to the positve cable (unhooked from battery) and touch the end of the test light to the + on the battery. if it lights up bright you have a parasitic drain. (something staying on,) unplug fueses until the light turns off and that fuse that was pulled right before the light went off is the circuit that's bad and needs to be checked. could be as simple as a light staying on or a aftermarket radio, but it can get as indepth as full electrical diagnostics

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1 Answer

No start...2000 Wrangler 4.0liter, automatic.


To me it sounds like you have weak battery. Hook up a meter and check voltage. should be over 12v, then turn key on. should maintain 12v. then crank. If the voltage goes below 11v cranking the battery is bad. Be sure to test the battery. Not the cables. Then tst the cables. You may have good voltage just touching the battery and you may have low voltage touching the terminals which would indicate a dirty connections.

Jul 27, 2010 | 2000 Jeep Wrangler

1 Answer

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Check the alternator output, with engine running and a volt meter check voltage at battery that be alternator out put voltage for the alternator, should not have less then 13.5 volt's with engine running, if less bad alternator, replace it

Feb 22, 2010 | 1996 Jeep Grand Cherokee

1 Answer

Minor Electirc Troubles (1998 Jeep Grand Cherokee Laredo)


Definately take it back to the radio installer

Jan 20, 2009 | 1998 Jeep Grand Cherokee

1 Answer

This 03 mazda tribute has just recently started to burn up voltage regulators in the altinator. I have put 3 alt.'s on this already and it now looks like I'll need to do a forth!! 1st time in: AVR...


I have had a string of bad alternators through my shop lately all made by USA alternator. I would breakdown and get an OEM part in this case. I would also bench test alternator prior to installation

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