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27th August 2014, 08:18 PM
#1
Advanced
CB radio interference from car stereo
Hi Folks
I have installed a GME Tx3100 80 channel CB radio, which works fantastic when the car stereo is turned off, but when I turn on the stereo the CB just crackles like crazy (like a squelch noise). I have taken the antenna cable out and re-routed it as I thought it might be passing too close to the back of the stereo, but its now way away from the car stereo and still has the interference. As soon as I turn off the stereo I have perfect CB again.
I have heard that I might need a 'suppressor' but would value your opinions on what to try next. I tow a caravan and also live on a logging trail so find the CB useful, but would also like to be able to listen the car stereo too.
A little more info is, I use a new 6dB uniden bull bar mounted antenna which came as part of a package.
The power source for the GME comes from a permanent live under the dash, and wondered if this might be the source of the interference, although I don't think this is linked to the car stereo.
What do you think is the most likely cause of the interference.
thanks all,
Mark
Last edited by bindi; 27th August 2014 at 09:32 PM.
2012 GU8 ST CRD Platinum Silver with Tints, Factory Bar, IPFs, Snorkel, UHF, Maxtrax, Rated Recovery points front/rear, In dash Nav, Scangauge2, Ally Roof Rack, OME 2" Lift
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27th August 2014 08:18 PM
# ADS
Circuit advertisement
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27th August 2014, 09:53 PM
#2
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I would suggest taking the power from the battery, connect the positive direct to the battery with a fuse and the negative to a good clean earth point close to the battery.
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28th August 2014, 09:42 PM
#3
Try removing the antenna from the cb - if you are still getting the crackle - most likely power supply issue and a suppressor would help. Also run top the battery and move the earth - or run the earth to the chassis point near the battery.
If the noise has gone away - probably RFI interference from the radio
1991 GQ LWB 4.2 Carby dual fuel, 32 mud claws, 2 inch lift, LSD's front and back
And its Toooooooo High for the Ball & chain
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29th August 2014, 10:12 AM
#4
Advanced
thanks, trying a direct power source from battery today.
Yup, fixed,
Last edited by bindi; 30th August 2014 at 06:52 PM.
2012 GU8 ST CRD Platinum Silver with Tints, Factory Bar, IPFs, Snorkel, UHF, Maxtrax, Rated Recovery points front/rear, In dash Nav, Scangauge2, Ally Roof Rack, OME 2" Lift
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