picaflor Posted April 15, 2011 Report Share Posted April 15, 2011 There is a black box that goes thru the yellow and black wires... what is that? could that go wrong? my unit have problems at the beggining of the day mostly, like restarting for no reason several times. thank you Quote Link to post Share on other sites
NFrazier Posted April 15, 2011 Report Share Posted April 15, 2011 What kind of car is it? The black box is typically 1 of 2 things. It's either a line conditioner or the fuse for 12v. Quote Link to post Share on other sites
picaflor Posted April 15, 2011 Author Report Share Posted April 15, 2011 What kind of car is it? The black box is typically 1 of 2 things. It's either a line conditioner or the fuse for 12v. not the fuse, as the fuse, a 10amp is visible on that line. It must be the line conditioner. thank you. the car is an F150, but the box im refering is in the radio harness, not the truck harness. not an actually picture of mine, but the black box looks like this one: Quote Link to post Share on other sites
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