cb turns off my truck when keyed - Ford Powerstroke Diesel Forum
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Old 01-17-2014, 12:22 PM
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cb turns off my truck when keyed

not new to radios but never had one in a powerstroke, so i run a shielded wire to the battery and grounded under a bolt in the firewall, its a galaxy radio even when on low 1.5 watts i key to talk and it shutts down battery light comes on any ideas what am i missing ?
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Old 01-17-2014, 01:16 PM
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I wonder if your alt is shot? Might be worth pulling it out and getting it tested.
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HOODY (01-18-2014)
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Old 01-17-2014, 01:31 PM
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could be, other thread mentions an unshielded icp? i have
no clue,
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Old 01-17-2014, 01:52 PM
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it its connect straight to the battery then if its getting power from somewhere else than thats the problem
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Old 01-17-2014, 02:12 PM
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connected directly to drivers side battery, ground is to a bolt in the firewall/floor area, using 2, 4ft firesticks on mirror mounts . 2002 f250 7.3 i have hooked many radios up this way with no problem however they were not diesel so is the rf from the radio affecting the computer? would it be better if i used a whip off the back bumper?
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Old 01-17-2014, 05:12 PM
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i don't know if my problem is the same or not. i had a 95 psd and the electric brake box went bad. every time i stepped on the brake it would kill the engine. i replace the box and fixed the problem. again don't know if this will help.
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Old 01-17-2014, 05:55 PM
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Do you have a chip? Some chips are sensitive to RF frequencies.
Try re routing the antenna cable so it's a little less close to the PCM on the drivers side kick panel and see if that helps anything.
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Old 01-17-2014, 06:08 PM
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I would say if the truck starts back good it is not the alt. possibly bad connection somewhere, those Galaxy radios ROCK, have the juice.
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Old 01-17-2014, 06:27 PM
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Quote:
Originally Posted by gone6.0 View Post
I would say if the truck starts back good it is not the alt. possibly bad connection somewhere, those Galaxy radios ROCK, have the juice.
Edit; that came off mean. It's not the alt, because it dies when the radio is keyed. It's very doubtful of a bad connection, because...RF. It's likely a non-OEM, or OEM compliant, sensor/gauge/wire/something that accepts unintentional interference. It could also be an out of spec radio. A bad connection is not a likely culprit.
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Old 01-17-2014, 06:29 PM
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Weird I have mine set up in the same way but dont have the issue you do. Something isnt right somewhere.
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