Likely time for a new battery. JKs do some strange things when voltage or amp draw gets low...and a clicking starter relay is one of the signs. Enough voltage to close relay but not enough amperage to turn starter...now, may the battery threads begin.
08 JK 23S - Colorado Jeep Club No. 204
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"It takes a special kind of stupid to believe criminals will follow gun laws."
I do not consider myself a smartass. I point out the obvious, search for the truth, and speak fluent sarcasm. I am, by experience, an accomplished curmudgeon.