Hate to tell you but if you jump your vehicle off or charge battery while still in your vehicle you have a extremely likely hood of burning up your unit amp and anything else. hope thats not the deal and this helps try to take it out and see if the fuse is blown thats the first thing then see if there is any fuses blown in your fuse box. if they are good take the top off of it and see if you see any burn marks inside hope this helps good luck let me know
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Hate to tell you but if you jump your vehicle off or charge battery while still in your vehicle you have a extremely likely hood of burning up your unit amp and anything else. hope thats not the deal and this helps
try to take it out and see if the fuse is blown thats the first thing then see if there is any fuses blown in your fuse box. if they are good take the top off of it and see if you see any burn marks inside hope this helps good luck let me know