I let my teenager try to replace the battery in my expedition and he hooked put the battery leads on the wrong terminals long enough to burn out 2 wires that are protected by a cover that says in line fuse and now my radio doesnt power up at. Every thing else in the truck still works just need to know how to replace that in line fuse. Can I just cut open and splice a new fuce in or what. If there is manual please let me know the name or if I can just cut and splice that would be col. Or if they sell a in line fuse at like auto zone or some thing. Thanks
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the red needs to be wired to a 12v+ ACC(dash accessory circuit) which is only powered when the ignition is on, the yellow needs to be wired to a 12+ constant(or, direct line, with in-line fuse to battery +), whether the car is on or off. if the wires behind the dash both lose power when the car is off, the yellow lead will have to be re-ran, possibly thru the firewall, and to the battery(with appropriately insulated wiring, and an appropriate fuse.
instead of going thru all the trouble of running to the battery, it may be beneficial to get a multi-tester ($20-40, usually), in order to test the wires behind the dash for a 12v+ constant and a 12v+ acc.
Only fuse you need is the power wire leading to your aftermarket amplifier for te subwoofer. Which most likely you have too small of a gauge of wire and burned straight through it, and if you haven't, add a 40 amp fuse near the battery where your power cable is hooked up to. Also use a multimeter to test your power wire on amp, check the
clock probably doesn't stay either.....sounds likke the wiring may be incorrect...there are 2 battery + leads on these radios...One is yellow...which should be hooked up to a hot lead that is hot all the time even with the key off( you could just run a wire to the positive side of the battery)..thios lead is the memory lead that keeps stations, settings, and the clock....then there is the red lead that is supposed to be hooked up to a switched positive lead...such as the accessory lead fron the ignition switch....it's a good bet that the red and yellow leads are hooked together and that they are hooked to a switched ignition lead right now...all you have to do is disconnect the yellow lead from where is hooked now and hook it to a hot all the time then your memory, and stations should be retained
Are you using AMPs? You may have everything connected right but, when you turn it on the battery doesn't have enough supply to operate the system. This happen to me and I had to change my alternator, and battery.
you will need to find the power lead for the amp and see if there is an in-line fuse for the amp if not then see where someone hooked the amp up to the cars power source if you replace a fuse and it blows again as soon as you turn on the radio indash unit. look for shorted speaker wires or first try disconnecting all the spweaker wires and if the unit still blows the fuse you will need to have the amp checked out by a pro, unless you can use amd own a multimeter Larry Dillon Good Luck!!!!
As long as you have connected the ground(black) try adding one wire at a time to the live(red). If possible try connection each wire one at a time to the power line and then both together. If nothing has blown(fuses) and the unit starts working then you can try by trial & error method the remaining wires. You should be able to figure out which wire is required and if there are any extra wires like cellular phone(mute) and then decide whether to connect them or keep them open.....sodeep
You will definitely need to connect the Yellow Wire Memory Back-Up Lead, since this is the connection from the radio to the battery that stores the time and your presets. If it is not hooked up, you can use the radio, but all your settings will return to default once you turn off the car. The Yellow Wire Bus Power Lead sounds like it would be for powering an auxiliary unit like a Sat Radio or HD Radio add-on. You will not need to connect this unless you have an add-on such as one of these.
double check your power leads (and the ground for that matter) yellow goes to continous power (battery) red goes to ignition...they may be backwards or your ignition power is missing, check the fuses also.
it is always best to have fuse on battery lead but as long as the leads are definately going through the fuse panel then you should have no problem but if you have the fuse and it blows then their is deffinately something wrong. The fuse on the battert leads is a backup as long as the wires are running through main fuse panel the reason for extra fuse is because the main fuse works other things running off it not just the one for radio so the fuse on the battery lead is their so that if something wrong with the unti then that fuse blows and only that 1 unit wont work but if main fuse blows other things might not work so its always best to have inline fuse so that only the 1 unit stops working incase of problem. so its not vital you have one but it usefull so that you know where the problem is coming from and saves time tracking down fault