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Low battery will not blow a fuse. If it blows right away when you turn on the ignition you have a main electrical short. Disconnect the regulator to the battery connector at the regulator to see if you have a shorted regulator. After the main fuse blows you should not have a battery drain so figure out also why your battery is discharged. Is your batttery no good. This would not blow a fuse in any case. Was the battery out recently, or disconnected. Make sure it is installed correctly and none of the wires are connected incorrectly. THEN you will have to start tracing the wiring from the main fuse to find the short circut.
You havent given details when the breaker pops. Is it right away, in wash cycle, spin cycle or drain? If it pops right away, there has to be a short circuit, but it fills water up then as soon as the motor starts n it pops, it could be motor. If blows during spin, definately motor drawing too much current. Then it could be the breaker that is weak/faulty. The breaker if not faulty it will pop if the current drawn by the motor exceeds it's rating or there is a short.
Not sure the vehicle you have but usually it is by your left leg while in the seated position on in the drivers seat. make sure you use the correct size of fuse, too small will pop it right away , to large can cause a fire if there is a serious short to power or short to ground. hopfully just a bulb that shorted
Does the A/C work normally before the fuse blows, or does the fuse blow right away? If it blows right away, you probably have an electrical short and you would need to ring out the wiring. Another thing to check is the ampacity of the fuse- make sure it is the right fuse.
It is very much fixable. Check if the fuse has blown again. And if it has, there is some problem with the circuit. Check conitunity across the main filter capacitor. If it's short, disconnect amplifier IC's power lines and check across the pins if it's short. In case it's short, you will need to replace the IC. But before replacing check all the rectifier diodes.
NEVER EVER replace a fuse and think that va fuse will blow all by itself. The fuses are there to protect the set from catching on fire incase theres a short inside the set. Now in some cases an intermittant short can work after you replace the fuse but if its burnt black or brownish, theres a short inside the set in one of the circuits. always use a 100 watt light bulb across a blown fuse if your not sure if there is a short. if there is, the light will absorb the short and glow bright. if there is no short the bulb will glow bright , then go down very dim. you could have a main power supply problem, such as shorted bridge rectifyers,shorted main b+ capacitor, Hot could be shorted, or the Vertical or audio output IC could be shorted
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