Antenna light issue on cobra 29

Discussion in 'CB Radio Forum' started by skywalking44, Mar 12, 2013.

Page 4 of 4
  1. Apr 7, 2013 #31
    skywalking44

    skywalking44 Bobtail Member

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    Mar 7, 2013
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    Still messing with the radio tested from negative of battery to antenna mount and got 0l on my meter. When I test from mount to the bottom bar of my mirror I got 0.00 what do I need to test next and what does this tel me
     
    skywalking44, Apr 7, 2013
    skywalking44, Apr 7, 2013
    #31
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  3. Apr 9, 2013 #32
    skywalking44

    skywalking44 Bobtail Member

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    Mar 7, 2013
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    still working on this. I unscrewed my coax from antenna mount and tested from whip to the pin where coax screws on and got 0.00 on the meter. Moved the probe from the pin to the outside stud and had infinite resistance so everything checks out good with my antenna correct? I tested from antenna mount to mirror and got 0.00 but when testing from mirror to bolt in the frame i got 0.l reading. so when testing from neg battery to bolt on frame i got 0.00. took my glove box out and found a wire grounded in there. tested from bolt on frame to that wire and read 0.00. so i ran a wire from mirror bolt on the door to that ground. Everything test out now with 0.00 on the mirror mount. Still have high swr though about 3.5 on all channels
     
    skywalking44, Apr 9, 2013
    skywalking44, Apr 9, 2013
    #32
  4. Jan 30, 2018 #34
    Rebel123

    Rebel123 Bobtail Member

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    Jan 30, 2018
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    Real old thread hardly doubt someone will answer but I have a cobra 29lyd classic new new trucker pro coil antenna swr is perfect used a swr meter but Everytime I key up ant light comes but swr is perfect what do y'all think could be the problem
     
    Rebel123, Jan 30, 2018
    Rebel123, Jan 30, 2018
    #34
  5. Jan 30, 2018 #34
    Ridgeline

    Ridgeline Road Train Member

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    Get an external meter with a good jumper and check the SWR that way. BUT THE Bestest way to do it is to have someone check it with an antenna analyzer.
     
    Ridgeline, Jan 30, 2018
    Ridgeline, Jan 30, 2018
    #34
    Night Stalker10 and mike5511 Thank this.
  7. Jan 31, 2018 #35
    Night Stalker10

    Night Stalker10 Road Train Member

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    Also, you can’t rely on those SWR lights, on the cobra 29’s I worked on everyone of them had to be adjusted.
     
    Night Stalker10, Jan 31, 2018
    Night Stalker10, Jan 31, 2018
    #35
  8. Feb 1, 2018 #36
    Meteorgray

    Meteorgray Heavy Load Member

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    If you find your SWRs are OK, you'll have found another use for duct tape.

    I've taped over a few "cry wolf" lights in my time.

    Or if I wanted to be uppity about it, I brushed them over with model airplane paint of an appropriate color..
     
    Meteorgray, Feb 1, 2018
    Meteorgray, Feb 1, 2018
    #36
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