More Problems With 4-Wheeler CB

sounds like a bad connection somewhere, not necessarily with the C.B. hook up, I just put a Magnum in my KW and when I yelled into the mic the truck cut out, turned out to be a bad ignition switch, it just took that little bit of extra draw to show the problem, try hooking up an inverter or a few extra lights to see if it does the same thing

 

Your computer is picking up the CB A friend had a GEO-METRO that did the same thing.

 

pls elaborate is there a fix?

 

Usually you won't see that kind of problem running a stock CB Radio...Usually You would see the motor getting pulled down when also running a Amp, or maybe one of the High Dollar-High watt Export radios like a Galaxy 98 or some of the Magnums...

I doubt a stock Cobra 29 could cause enough RF to get into the trucks computer either.

What I would do, is run your hot wire off the CB to the positive terminal on your battery, and then the Ground off the CB to the frame. (for starters) And maybe use 8 gage wire...farther the run of wire from the CB to the battery, you don't want to be using some thin wire...

A Ford F250 should have more than enough power to run a Cobra 29 without pulling down the motor or causing a noticeable drop in voltage. A drop from 13.6v to 13.4v is not enough of a drop of volts to do anything...There's just no-way a drop of just .2 volts could cause the motor to act-up...Or even dim the lights!

 

Bill had a early 90's GEO-Metro even a stock 148 running 4 watts watts got into his computer and changed the motor speed.........

GM's answer was to remove the radio ..........

He got rid of that car bought a small ford .... no more radio problems .....

I run 100 watts in my Corolla no problems ....

 

Yep, the CB is emitting electrical noise through the battery.

The only way to get rid of it is to run an RF noise isolator between the battery and CB.

I've seen alot of these problems while in the navy working on small boat HF, and VHF radio's.

 

Yeah but your talking about a dang Geo vs a F250...And a stock 4w Cobra 29...I don't see the radio being a problem as long as it's wired up right and the antenna is tuned.

 

Simple fix. test and repair or replace your alternator. If you are running and only getting 13.6V at the battery then you are not charging properly. The alternator is weak, the diesel is drawing more of it's power from the batteries in order to run. Whereas the alternator should be producing it all. If you disconnect one of the battery terminals when the truck is running I will hazard a guess that the truck will stall.

Charging voltage should be at 14.1V. Fully charged batteries, no load, truck not running should read right about 13.6v.

Simple fix, do it NOW before you kill your batteries and end up paying for a tow, two new batteries, and an alternator.