- Original Message -
From: JOHN MACKEY [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, January 08, 2004 1:02 AM
Subject: Re: [Re: [Repeater-Builder] Fuses on power cords]
That's a good idea that I have done also, but it is 1.4v drop, not
.7v
Lee Williams [EMAIL
A competitor of ours wired a cement truck with a new Kenwood right to
the battery with both leads (not fusing the negative lead). It lost the
chassis ground, and the starter current went through the radio back to
the battery. The radio was toast (literally). Joe M.
I would agree that this is
@yahoogroups.com
Subject: RE: [Repeater-Builder] Fuses on power cords
I think we all agree that there's nothing wrong with having the fuses
there.
With that said, and we want to install fuses in the grounds of existing
radios without the fuses, is there a favorite fuse holder for in-line
use? I've
My bet would be that the black wire fuse is there for positive ground
vehicles, a vestige of times past. In that case, the black (negative) wire
is hot, and you would need the fuse there.
Bob U.
AA6BT
That is one reason, but the other is for the times you go directly to the
battery with
The reason some manufacturers include fuses on the Negative lead is for
those installers that run both Pos and Neg directly to the battery of a
vehicle. This is not a smart move as normally you create a ground loop in
the negative system of the vehicle and usually end up with Alternator Whine.
It
Budd, two fuses at the battery will pervert a car/truck fire if the ground
wire comes in contact with hot wire of if the hot wire comes in contact with
a ground. A diode will prevent frying the radio if the polarity gets
switched.
Al N8ARO
I'm caught in the middle of a couple of feuding
On Wed, 7 Jan 2004 12:56:37 -0500 Al Allum [EMAIL PROTECTED]
writes:
.. two fuses at the battery will pervert a car/truck fire if ...
Yup, **That** sounds about right. ;-))
Suppose that dual-fuse has some validity -- *IF* you're in the habit of
running right to the DieHard (dash-mount
I'm caught in the middle of a couple of feuding technical experts
on a probably trivial issue.
Some Mobile radio power cords are fused on only the positive line.
Others are fused on both lines.
One's logic is you only need one fuse. The other maintains their
communications shop lost all
All depends on where you ground your radio.
If your radio ground is the dashboard, and the ground braid from
the engine block to the battery negative gets disconnected for some
reason, (garage mechanics are good at this) your only vehicle
accessory ground path can be the radio via
My bet would be that the black wire fuse is there for
positive ground vehicles, a vestige of times past. In that case, the
black (negative) wire is hot, and you would need the fuse there.
Bob U.
AA6BT
At 07:20 PM 1/7/04, Ralph Mowery wrote:
I'm caught in the middle of a
couple of feuding
Nope. Kenwood is a big promoter of fusing the negative lead. The reasons
have already been mentioned on the list. Most, if not all of their
radios, do not support traditional positive ground. I say traditional
because there are now positive to negative ground converters for use to
install negative
Hi budd,
Another thought, when I was in Tucson, My brother in law was helping me jump
start my Jeep one day, and before I could get my radios turned off, he attached
the jumpers backwards. A fuse in the negative lead, might have saved the three
radios he smoked that day!
Bill
WB0KSW
-
with the 0.7v drop,and its idiot proof ! Of course,fuse
both leads... 73,Lee,N3APP
- Original Message -
From: bill Croghan [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, January 08, 2004 12:01 AM
Subject: Re: [Repeater-Builder] Fuses on power cords
Hi budd
Yes,0.7 volts per side,1.4 total. Some radios wont like it but most I
have tried worked ok. 73,Lee
- Original Message -
From: JOHN MACKEY [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, January 08, 2004 1:02 AM
Subject: Re: [Re: [Repeater-Builder] Fuses on power
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