Hey guys..
Well.....after getting the oil pressure sensor taken care of I have had a couple off issues that popped up. First....the left (occasionaly the right but usually the left) turn signal is doing the ultra fast blinking that usually happens when one of your turn signals is out. I went to change the burnt out bulb and there wasn't one. They were both fine. After that...for a while they were fine. Now...they alternate between working fine and the left doing the ultra fast blinking. This morning the "locool" light came on. The coolant is a tad low according to the "cold" line on the tank but it is at the same level that it has been since I can remember. I'm starting to wonder if there is an electrical gremlin (the harness behind the filter head maybe) or if maybe the battery is starting to get a bit wonky even though it starts it like a champ. The battery is a Die Hard Platinum that is 3-3.5 years old. It has sat for a couple of days without running (other than the quick start up this morning. My wife ended up taking the other car). The sitting battery voltage was 12.28. Putting the key in and turning the position to start...it was 11.84. After starting...the charging voltage was 14.24. So....what do y'all think....electrical gremlin to hunt down or a rising battery issue?

Thanks, Jim

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Stock 06 CRD Limited
Timing belt replaced at 110,000 miles

You can always take your battery to the parts store to have it tested. But the numbers you posted seem like the battery is still good and so is your alternator.
Turn signals could be a intermittent loose connection somewhere. Its even possible for a bulb to have a broken filament that sometimes connects and sometimes doesnt. (Seen it happen many times)
Add water to your coolant tank to see if that fixes the locool indicator. The coolant level sensor is just a float switch at the bottom of the coolant tank with a simple 2 wire connector.

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U.S. Army Retired

Hi - not sure where all the ground/earth straps are on a Jeep but I would have a good look at those - over time they can lose conductivity and it is worth unscrewing/unbolting them, cleaning up the connections and rebolting (that includes the main battery negative to chassis one)

Graeme

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2005 RHD KJ 2.8 CRD 4x4

I think the "locool" light may have been because the Jeep was parked on a slight forward decline. It was parked in a spot it's not usually parked and the nose was on a slight decline. After I moved it from that spot...the warning went away. I'll still put a small amount of distilled water in the tank to bring the level up a tad. I'll change out the turn signal bulbs just to rule that out (plus I already have them). Thanks guys.

Jim

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Stock 06 CRD Limited
Timing belt replaced at 110,000 miles