Need assistance with Check Gauges Light -
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Unread 10-14-2012, 09:34 PM   #1
Registered User
1997 TJ Wrangler 
Join Date: May 2010
Location: Phoenix, AZ
Posts: 745
Need assistance with Check Gauges Light

A few weeks ago I took my rig out to do some wheeling. Driving on the highway at 65 mph I got the Check Gauges Light. Gauges all looked good and it drove fine. I pulled off the highway and checked everything and it looked good. Light went off.

Today took it out wheeling again. Was out all day and the light came on again on the way home. Gauges all looked good except the voltmeter had some movement. It was wavering from just below 14 to just over 14 on the gauge. Everything else looked good.

I stopped by Autozone and the battery tested good. Rig runs great and has no issues other than occasionally taking a few seconds on the key to start up.

03 TJ Rubi with 78 k, auto tranny. Battery is a 18 month old yellow top Optima

Any suggestions?

Thanks for any help!

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Unread 10-14-2012, 10:15 PM   #2
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2015 JK Wrangler 
Join Date: Nov 2008
Location: Calgary, Alberta
Posts: 852
Check the battery cables, see if there's any green death on them. I had the same thing, Check Gauges and my voltmeter was moving back and forth. Checked my cables and they were corroded, switched them out and all has been good since.
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Unread 10-15-2012, 12:34 PM   #3
Jonny Jeep
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1997 TJ Wrangler 
Join Date: Feb 2007
Location: Manchester, UK
Posts: 5,172
Low oil pressure, high coolant temp and voltage are the only things that will make the check gauges lamp illuminate. If the volt gauge is the only one you noticed moving it's likely to be battery related. Check the cables as suggested and clean up the contact surfaces of the battery terminals and clamps while you're at it.
Online factory service manuals and parts lists -
If it doesn't work properly, look for the service manual link at the bottom of the page.
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