20 Most Recent Cobra 29 LTD CB Radio - Page 3 Questions & Answers


look into buying a new radio. If you had researched further you would have found out that unless you are on cb your radio will not operate . If you are on PA the you can only transmit through the PA system not the cb. If you changed the audio IC then you probably did a cold solder on it. You need an external speaker to operate the pa mode and an external speaker to operate the CB mode .If you decide to fix it more it will cost you more then buying a new radio.

Cobra 29 LTD CB... | Answered on Feb 15, 2015


reverse polarity diode is burnt or blown. change it.

Cobra 29 LTD CB... | Answered on Feb 15, 2015


recheck all your adjustments

Cobra 29 LTD CB... | Answered on Feb 15, 2015


no matter what s/rf you are looking at it should not key much beyond an s-9 . vr 3 controls the meter. Key the mic and adjust it to s-9 then check you modulation.If you still think you need more then adjust vr 4 .

Cobra 29 LTD CB... | Answered on Feb 15, 2015


open the radio and turn vr 4 wide open but before you do get a new mic and hook it up to eliminate the squeal the turn up vr 4 to raise the modulation.

Cobra 29 LTD CB... | Answered on Feb 15, 2015


you may have to go thru all the channels and reset them to their correct frequencies . reset the radio to channel one and the top channel always going back to channel one to get a balance between all channels . If that is to much work and you don't mind the problem and can deal with it then leave it as it is .

Cobra 29 LTD CB... | Answered on Feb 15, 2015


sometimes when you are out of network it will do this

Cobra 29 LTD CB... | Answered on Feb 15, 2015


dimmer switch is on front of radio

Cobra 29 LTD CB... | Answered on Feb 14, 2015


get a dc plug for your cigarette lighter and connect it to the radio wires(black on black red to red) its the best and fastest way for install and cheap.

Cobra 29 LTD CB... | Answered on Feb 14, 2015


five pin?my 4-pin is 1-audio 2-shield-ground 3-RX 4-TX

Cobra 29 LTD CB... | Answered on Feb 14, 2015


tuning for what?audio,watts,signal,?

Cobra 29 LTD CB... | Answered on Feb 14, 2015


Use trial and error systemathically. If still refuses to work, mike and radio aren't compatibles.

Cobra 29 LTD CB... | Answered on Jan 17, 2015


by someone else . take it to a tech.the process is to long to explain.

Cobra 29 LTD CB... | Answered on Dec 30, 2014


2.5 amp

Cobra 29 LTD CB... | Answered on Dec 22, 2014


volume is to your choice I have mine 3/4 open to get over the noise in my truck.My sq is all the way left,RF gain is all the way right. Mic gain is about half . I don't use the swr knob because I have it hooked up to an external meter . Delta tune is set to the point of the click on the knob . Thats how I have mine set and it works fine for me.

Cobra 29 LTD CB... | Answered on Dec 22, 2014


bad IC 1 have a tech fix it.

Cobra 29 LTD CB... | Answered on Dec 22, 2014


I have a wilson 5000 mirror mount. I mount it on the drivers side mirror on the upper cross arm that goes to the mirror. It is mounted on this arm with a bracket and a so 239 connector so I can undo it if I have to ,leaving the antenna connected.I can change coax and not have to worry about undoing the antenna. Remember one thing. The antenna has to be checked for SWR.each time you move it to a different spot or to a different truck.

Cobra 29 LTD CB... | Answered on Dec 22, 2014


you may want to change antennas

Cobra 29 LTD CB... | Answered on Dec 22, 2014


all functions of the radio are performed by the main IC 2816c . The frequency is controlled by this also and if it is blown you will loose your frequency and the problem that emits is in your statement.

Cobra 29 LTD CB... | Answered on Dec 21, 2014

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