Hi there, i have a rf2002 amp that ios wired correctly. however for some reason the amp itself keeps blowing its external fuse. literally as soon as i put oin in it fries. any ideas on why this is happeneing and if so how can it be fixed? thanks in advance
Hey i have a RF 4004 and mine keeps doing the same thing i havent gotten the chance to open it up and see what is wrong but i do know that every time you blow a fuse you burn a little more of your amp up so quit putting new ones open it up and see if the ground and the power holders are touching
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If you've disconnected everything and the amp is still blowing fuses you'll need to have a technician look at it. Most commonly I find that condition caused by a failure in the power supply section of the amp.
Fuses are incorporated in circuits for a good reason; to protect components and wiring in the event of a current overload.
If a lower rated fuse is installed in a circuit, it will blow under normal load conditions as it is rated for lower power usage.
If a higher rated fuse is used in a circuit, it would not blow before a overload causes damage to circuit components or causes a overheating condition and possibly a fire.
Therefore, it is essential that the correct fuse be used in the circuit it was designed for...
Your particular auto may have a fuse diagram in the owners manual, or printed iside the cover to the fuse panel - if not, ask a dealer for the correct fuse designation. The fuse diagram should show the size fuse needed for the seat controls.
IF the fuse you are blowing is the correct size, STOP using the seat controls until you have the problem troubleshooted by the dealer or a good mechanic.
Good Luck. JWM
Once a fuse blows,it does so for a reason Common Sense In a 60 year driving career you have maybe 6 fuses blow Replacing them 5 out of 6 time they blow again Ask yourself why You need to find the most logical item in that circuit & start testing & that usually requires a wiring diagram or you have no map or now where to start any testing. Something overloaded a circuit find it & replace it or resolve the wiring issue
when a fuse blows, its telling you that theres a fault. this could be a loose or broken wire.
or alternatively, the fuse rating is too low. you could check the wires are tight. and also possibly try fitting a 5 amp fuse. check first that the fuse is rated correctly for the appliance. usually 3-5 or 13 Amps.
The reason your blowing fuses is the amp needs at the least a 150 amp fuse on the wire that runs to your bat. There are fuse blocks that you can put 4 40amp fuse and theres the high dollor ones that you can put all the way to 200amp. When you trun up your amp its drawing to much current for the little 40 amp fuse that you have and will blow it everytime. I recomend Running a 4 gage wire to bat and ground with same. Get you a 150 or above amp fuse from a car audio shop somewhere. anyway sounds like from what you decribed, theres nothing wrong with your amp just the wires and fuse are not big enouf to handle the current that your amp pulls.
Sounds like the amp is shorting somehow. You are obviously shorting out somewhere between the battery and the amp. Are you sure you grounding location is a good one? is the fuse blowing only when you turn the stereo on? Something is not hooked up correctly.
If the fuse at the battery is blowing then it's a short.
If the fuse on the amp is blowing then its probably a bad amp.
When any amp blows fuses, this indicates that something is drawing too much current. The most common cause are components in the output stage and driver stages that have become defective.
On the amp that is blowing the fuse with the volume being turned up, this means that the output stage is partially working. The short or over-draw of current must be in the output stage, or what is loading it. It is possible in this case that a crossover in a speaker unit is defective, and is drawing too much current. I have seen this with especially sub-woofer crossovers, and the driver itself. Subs pull a lot of current because of the amount of drive power required to have very strong bass sounds. Other than that, this still does not rule out the possibility of the problem being defective components in the amplifier.
Measure the DC voltage across the B+ and ground terminals as well as across remote and ground. If you have less than 11 volts when the amp tries to power up, the amp could be shutting down due to low voltage.
If the voltage remains near or above 12v, disconnect all speaker wires and signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down or blows the fuse when you apply remote voltage (turn the head unit on), the amp likely has blown output transistors.