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Blown fuse?


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Has someone installed an aftermarket stereo in the truck? If so,check whatever they grounded the stereo to as well as any inline fuse connections for the stereo. I also ran into a problem once where I got a little piece of metal from a phone charger stuck inside of the cig lighter outlet, kept blowing fuses from that but that was in an old toyota pickup.

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You have to do some testing.

 

I would 1st the easiest, with new fuse, unplug radio harness should be able to just unclip from back of radio. Check if fuse blows still. If it still blows it is not in the radio units it self and part of the wiring or lighter plug unit.

 

Unscrew your lighter plug unit from dash and see to make sure no shorts around back terminals.

 

If still blows leave radio unplugged and get you meter out. You can check to see from + wire to body of truck if your getting a short. If you are getting a short then you need to trace back which wiring is shorting. Either radio harness positive or positive from lighter

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You have to do some testing.

 

I would 1st the easiest, with new fuse, unplug radio harness should be able to just unclip from back of radio. Check if fuse blows still. If it still blows it is not in the radio units it self and part of the wiring or lighter plug unit.

 

Unscrew your lighter plug unit from dash and see to make sure no shorts around back terminals.

 

If still blows leave radio unplugged and get you meter out. You can check to see from + wire to body of truck if your getting a short. If you are getting a short then you need to trace back which wiring is shorting. Either radio harness positive or positive from lighter

That makes too much sense!! LOL. 

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