I started getting electrical problems on my nissan. First the horn went out. Got around to making it work. Then battery kept dying. Was told i needed new alt. it wasn't charging. Replaced it and got a new batt. Now everything is fine except that the fuse for the inside (compartment) light keeps blowing. This seems to control the rear defroster too, so i got no defroster. What could it be? Is there anything i could check or do so i don't have to waste a couple hundred bucks at dealer?
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Re: Fuse keeps blowing.
First off, never bring it back to the dealer, if you dont want to waste money...
Second, what has been added to this car? new stereo, car alarm??? Were windows left open in the rain?
-If new parts were added, check the cars wiring. Most likely is short.
-if your horn and all other electrical accessories is having a problem, and wiring is good, Well what controls drawing power, and powering up these accessories? - The cars computer...
Theres no short answer for that, get a flashlight, the cars wiring diagrams, and a voltmeter - check the wires
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PATS does not blow the horn. Pull the horn fuse to see if that stops the draw. Then troubleshoot the horn circuit to see where the power is coming from. You can start at the horn relay. The relay gets a ground signal from the horn switch in the steering wheel. If that signal is constant, the problem is upstream of the relay--perhaps within the steering wheel. Do not remove the steering wheel to troubleshoot without disarming the airbag.
Check for blown fuse first. If fuse ok, you will have to check for a power and ground supply directly at the horn itself. Possible causes are... defective horn...blown fuse.... defective horn relay....defective horn pad.... defective clock spring..... broken wiring. There is a lot of electrical diagnostics that need to be performed to make this simple horn operate
heres what you should try. unhook battery neg cable, remove horn relay in fuse box under the hood. lock drivers door with the key, reconnect battery, unlock drivers door with key and start the car, reinstall the horn relay and cover the fuse box back up...should be good to go. works for an acura because i just did it the other day!! good luck... oh yea put your horn back on there too. good luck
you may have a problem with the clock spring or spiral cable as nissan calles it. it is a part of the air bag system and also horn signal runs into and out of it.if that part is bad, your air bag light will flash and your horn will not work. has anyone been doing any repairs inside of the steering wheel?? it may just be unpluged. if you are going to tackle this your self to look inside of the steering wheel, make sure you disconnect the battery for at least 3 minutes, befor you start playing with the air bag. you dont want to blow it up.
This means theres a dead short somewhere, so the systems it runs have a short you will need to remove power from each one until the short stops. take a look around for wires touching ground, the raido woundnt be the problem it has its on fuse and so does the horn, remove the starter wire, the small wire to starter and leave the big battery cable going to starter and then try to start it, i know it wont start but this will tell you if its the starter thats shorting out, if that doiesnt do it then continue remove connections until you locate it, also repair the wire and then turn the key on and see if it blows the fuselink if it doesnt then you know its the starter, but then crank and see if it blows to make sure, if it only blows when you crank it then its the starter, if it blows as soon as the key is turn on then its something else. hope this is helpful, good luck.
Check the wiring around the horn and make sure nothing is touching metal...look under the hood at the horn and make sure everything is pluged in and there is no water on any plugs or wiring...Make sure the fuse is the correct number (ex: 10, 20, 25) If it is still blowing out the fuse then you after you do some checking then it is a short in some wires
I owned one and i regret having to have sold it. I do not know of any ongoing problems with this vehicle. check around your clutch pedal for wires that may be rubbing against it and are grounding out or cut? you can find schematic in manual at parts store and i recommend buying one for your own good. They are a wealth of information about your vehicle.