[TenTec] Mobile question

[Bwana Bob]

Hi Vince,

I've had a similar problem with a variety of rigs. Usually the
tachometer pointer will dip a bit with keying or modulation. Once, with
a 10 meter rig, the cruise control was affected.

First things to try:

Make sure that the ground lug on the Scout is tied to a good ground with
a decent piece of braid.

See if it happens on all bands.

Try the rig on a dummy load. If the problem persists, the RF is coupling
into the car wiring via the power leads (I have a Radio Shack HTX-100
10 m radio that was particularly bad in this respect). Try splitting
the two powe leads close to the rig and wrapping each lead  through a 
snap-on core.

If the RF is getting in through the antenna, you may have to move it 
or find the affected automotive circuits and use chokes, feedthrough
caps or shielding on them.

				73,
				Bob WB2VUF
"Vincent A. Santis" wrote:
> 
> Hi,
> I took my scout mobile today and since I'm not the vehicle driver I ran cw.
> However, every time I keyed the rig the blown light warning light blinks in
> sync with the keyed signal. The vehicle is a 2000 Volvo station wagnon. I
> suspect the lamp is a neon and is being energised by the rf signal but. if
> that'sthe case why only that one lamp? Any ideas and what is the potential
> damage to the vehicle?
> Thanks,
> 
> Vince Santis, N1VS
> Winsted, CT
> 
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