Bolt lightning alarm

macdonald.7 · Nov 5, 2024

I have a 2010 jeep kk limited with 240 000 km on the clock, why is when I'm driving on cruise control if I switch ON aircon after a couple of minutes car will just loose power and go out of cruise control then shows a lightning bolt sign on cluster till I switch off aircon. If I'm to use aircon without cruise control everything will be fine or cruise control without aircon everything will be fine.

What must I check?

ShowMe Cherokee · Nov 11, 2024

It sounds like your alternator isn't keeping up with electrical demand. The lightning bolt means there is something wrong with the electrical/charging system. Since it happens when you turn the A/C on, it could either be due to the higher electrical draw of the system, or because the same belt drives the alternator and the A/C compressor, and the A/C clutch is causing the belt to slip and not run the alternator correctly. Or your alternator could just need to be replaced.

Bolt lightning alarm

macdonald.7

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ShowMe Cherokee

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