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what size fuse are you using? take the wattage / voltage = amp size you need.
ie... 12watts divide by 12 volts equals 1 amp.
or 60watts/12volts=5amps
but this is a estimate range. theres always surge amps that can be added etc..
rule of thumb.
40ch only types need 2amp-5amp.
the export styles and SSB40ch will need 5amp -8amp
when mic is pressed transmitter is engaged. First is the Fuse the proper fuse? Could be an antenna-coax problem. Get a dummy load and hook up to your CB and try it again. If it doesn't blow the fuse, the problem is indeed in your coax antenna system. another way to test your antenna coax is to disconnect it from the radio, take a multimeter, set it to ohms 200 ohm scale, put one lead on the center pin of the coax and the other on the outside of the connector on the coax.if it shows anything at all, you have a short and that will not work. It needs to not read anything. To be sure the antenna system is ok other than swr you can also check the coax an antenna for continuity. one lead of meter on the coax center pin then other on the antenna. should get a reading, a low value. again on the outside of the coax at the connector and at the antenna side on the outside of the coax connector. should be a low reading. but you cannot have a reading from the center of the coax to the outside of the coax. disconnect the coax at the antenna and measure from center to outside at the coax if the previous reading showed a value.If you see a value on the meter, any value, your coax has a short. not good. most likely at the coax connector. redo the connector. It is possible that the coax got compromised somehow and got smashed to the point the outside coax meets the inside and touches. Now the other possibily your fuse blows, kis because the final output transistor is bad. So if you hook up a dummy load to your radio and the fuse still blows, then the final transistor is bad. This is probably due to a bad coax-antenna system. So before you replace any parts check the coax-antenna system first or you will have the same problem and burn out another transistor in the final. If none of this helps then just get another radio or have a god buddy look at it that knows about radios. Trade him another radio or something to fix it.
1. your unit is defective
2. If under warranty replace asap before your blamed for the damages
3. If the company refuses to take it back for an exchange, contact bbb.org and file a complaint
Wire the radio directly to the battery with extra heavy duty wire. Watch the polarity and try to run the leads away from the fuse box and route the antenna in a different spot on the truck....
It may have been reversed polarity on turn on. This can short out the polarity diode and then cause fuses to blow. This is a protection circuit so do not keep trying new fuses as the reverse surge can go into the radio deeper and damage it beyond repair.
try using it at a different location in the house(different circuit) if it also blows that fuse, there must be a short in the unit. do not use. if it works means line in the kitchen is overload, and you need a higher fuse rating or breaker.
i am pretty sure something came loose or a connection went bad, now something is shorting, possibly to the chassis. if you think you know how to open it up and work on it than do it. Or take it to a tech and have them look at it. it should be a real quick, real simple fix.
What size fuse are you using? If you have a different power cord than that which came with the radio, such as one from a regular cb radio like a cobra 29, it will only have a 2.5a to 3a fuse, which will blow everytime you key up, since it is pulling to many amps. You need to have at least a 7.5a to 10a fuse. I use 7.5 amp fuses, because I have a 100 count box, and have no problems. The Stryker radio I have in front of me has a 10a fuse in its power cord from the factory, though the cord on my bench only has a 7.5a and has not blown.
If your radio still blows fuses after this, please let me know. You can message me here or email me at [email protected].
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