^x3. Jeeps like a good battery. When they get weak, gauges and lights do crazy things. Good indicator that the battery may be on its way out. Could also be a bad connection at the battery. But with its age, likely time to replace it.
*Project Yeti* 99 JGC Limited 4.7 w/6.5" Rockkrawler LA & IRO A-arm, Goodyear MTR 35's on MB TKO's, 4.56 Yukon's, Iceland Offroad Bumper/Flares/Sliders, Protofab Rear Carrier, SuperChips, Uniden/Firestick, Flowmaster, Smittybilt 8k Synthetic Line Winch.
My Jeep is Organic - Undercoated in 100% all natural Utah Dirt --- Utah Jeep Crew #49 ~Will
2012 JeepForum GCOTY --- Project Yeti Build Thread