Uniden PC78ELITE 40-Channels Base CB Radio "fix cobra 29 hooked backwards" Questions

main power was hooked up backwards, now unit won't power up. how much damage is likely? i gus i hook up the power up and blow some thing it is a black 29 cobra got aney thing to fix it

fix cobra 29 ltd hook up backwards d-23 is your reverse polarity diode.Change it and you'll be ok its a 1n4404

cobra 29 chrome edition, it was hooked up backwards, fixed it but modulation sounds bassy. What can be done to clear it up? first change mic ,maybe the problem are in this mic ,second if the mic is ok

...cobra 29 nw ltd keeps blowing fuses inline and in cigarette lighter adapter adapter is 10 amps and inline is no more than 5 amps This is an easy fix if you are comfortable soldering. You must have ...

...hooked up backwards you have to change the resistor in the radio if you keep changing the fuses and turning it on it will do more damage to the radio there is no easy fix you have to change out the ...

...backwards this should be an easy fix. Remove the covers and look by where the plug plugs into the radio. You will notice a 1N4001 diode on the circuit board. It will be black in color. This is the ...

...the diode would be my next guess. This happens when the polarity of the radio is reversed(hooked up backwards). This can be fixed relativley easy at your local radio shop for about 30$. Good

Cobra 29 NW LTD does nothing I was recently given this radio from a friend of mine. He bought the radio new about 2 months before. The radio worked fine. He took the radio to a local CB shop to get ...

...hooked it backwards. You blew the polarity protection diodes. You need to be careful when hooking up the cb to power. Here is how to fix it. Got to radio shack and get a N1004 diode. And a soldering ...