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- April 25, 2000
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- Houston, Texas
- Year, Model & Trim Level
- 2008 JK
You can have it on all the time. The only thing that happens is the resistor module will build up heat. I put some old 486 heatsinks with heatsink gunk on mine and hung it so it has airflow around it. I've heard of them being mounted with flammable materials and causing fires. If you just ziptie it up and let air flow around it you'll be fine.