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southernredneck1
04-27-2014, 01:50 PM
Hey. Just joined the site and looking for some help. Just installed a radio in the truck and I am getting a constant clicking noise and a hum out of the ex. speaker. The hum stays constant, too. It doesn't rise and fall with rpms. Any help would be appreciated!

doughboy
04-27-2014, 05:07 PM
Hey. Just joined the site and looking for some help. Just installed a radio in the truck and I am getting a constant clicking noise and a hum out of the ex. speaker. The hum stays constant, too. It doesn't rise and fall with rpms. Any help would be appreciated!


Try It with the key off it could be something in the electronic ignition though that usually changes with rpms also fuel pumps can make news

southernredneck1
04-27-2014, 05:54 PM
Tried that before a couple weeks ago.

the caveman
04-27-2014, 06:32 PM
Is its wired to the battery, fuse box, or 12 volt plug?

southernredneck1
04-27-2014, 06:52 PM
The amp is wired to the battery and the radio is wired to a plug.

the caveman
04-28-2014, 04:31 PM
The amp is wired to the battery and the radio is wired to a plug.
When wired to a plug that can pick up a lot of engine noise. Running it straight to the battery is best.

NY714
04-28-2014, 11:05 PM
Hey. Just joined the site and looking for some help. Just installed a radio in the truck and I am getting a constant clicking noise and a hum out of the ex. speaker. The hum stays constant, too. It doesn't rise and fall with rpms. Any help would be appreciated!

Sounds like a good filter to get rid of the RPM noise like the RF Limited Magnum noise filter is good. but need more info on the set-up? are you using an amp? Jumpers? Type of Coax? Type of Antenna? How wired radio? Directly to battery or using cigarette lighter plug etc...?

southernredneck1
04-29-2014, 08:03 AM
Don't think its engine noise because it does it when the truck is off. Connex CX3300 FHP. Texas Star DX 250 amp, 1' RG-213/U Mil-Spec jumper. 18' RG 5 8A/U coax. 5' Fire Stik. The noise level drops when on ch. 18 and disappears when on ch.20.

the caveman
04-29-2014, 09:59 AM
Don't think its engine noise because it does it when the truck is off. Connex CX3300 FHP. Texas Star DX 250 amp, 1' RG-213/U Mil-Spec jumper. 18' RG 5 8A/U coax. 5' Fire Stik. The noise level drops when on ch. 18 and disappears when on ch.20.
your radio might be picking up something electronic somewhere in your electrical system. you can pick up almost any kind of noise when using a cigarette lighter plug. best thing to do is wire the radio directly to the battery. that way your getting clean power instead of dirty power like you get with a cigarette lighter plug. also since you are using a Connex the best thing to do is wired to the battery so its getting full power.

southernredneck1
04-29-2014, 10:23 AM
I'll try it and let ya know. Appreciate the help!

southernredneck1
05-01-2014, 11:50 AM
No change, but am now picking up rpm noise. Any suggestions on filters?

NY714
05-01-2014, 11:59 AM
No change, but am now picking up rpm noise. Any suggestions on filters?

RF Limited Magnum Filter is the best in my opinion for the car. I have tried those shit Bandit Filters and did nothing in past.

PS - Even has connector to go right to radio if want to use or can cut out and put anywhere but nothing better than this RF Limited Magnum filter.

southernredneck1
05-02-2014, 08:13 AM
Do you think a peak and tune would help?

the caveman
05-02-2014, 09:32 AM
Do you think a peak and tune would help?
A peak and tune just improves the performance of the radio and would be somewhat pointless since you have an amp. That filter 714 mentioned will probably be best.

redwagon
05-11-2014, 01:27 AM
Has there been a result on this problem as yet? I was thinking of all that load on the 12volt system could there be a shortage of power or are the wires heavy enough (16 gage versa. 8 gage wire). Is this truck a 18 wheeler gasoline/propane? Some big trucks use 18 volt and some are feed from the positive side and not the negative. I really want to know the answer to correct this problem if passable.

southernredneck1
05-11-2014, 07:24 PM
Sorry. I am currently offshore. Ordered the rf filter. Waiting to get home to install and check. Had the radio peaked and tuned before I left. Radio is now swinging 60 watts and 500 watts with the amp. Running it in a 07 Dodge 1500. Running 14 gauge wire. Had no noise when hooked to power supply for peak and tune.