[Icom] Automotive noise in new(er) SUVs

John Webb [email protected]
Sun, 29 Jun 2003 18:00:35 -0500


WELL,on the ford 250 turbodiesel,ignition noise is so bad from the injectors
that hf operation is not possible...Ford is aware,but doing nothing...I can
understand somewhat as there is no interference in thier am radio.Just tell
us how the factory am/fm is filtered.20 over on 7 mhz...john
----- Original Message ----- 
From: "Dan" <[email protected]>
To: <[email protected]>
Sent: Sunday, June 29, 2003 5:35 PM
Subject: Re: [Icom] Automotive noise in new(er) SUVs


> 2001 Jeep Sport Cherokee, 4.0 liter injected 6 cylinder, no unusual noise
> yet.  Matter of fact it's down right quiet.
>
> At 02:33 PM 6/29/2003 -0400, you wrote:
> >I had posted this earlier to the RFI reflector but have gotten only a
> >few responses (limited subscribers) thus am posting it here for wider
> >coverage.  It is posted to these reflectors because of VHF interests and
> >the probability of using a '706 radio.
> >
> >Thank you.
> >
> >* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> >
> >Gents,
> >
> >I am looking for information/experience with ignition, fuel pump, light
> >dimming circuits (I believe Chrysler does this), injector noise, AC
> >noise, etc. for the following vehicles:
> >
> >...In alphabetical order:
> >
> >    * Subaru Forester
> >    * Jeep Grand Cherokee
> >    * Jeep liberty
> >    * Ford Explorer
> >
> >Consider only 2001 and newer vehicles, please.
> >
> >Also, how successful have efforts been dealing with various manfacturers
> >
> >on EMI issues - good/bad?  Let's hear the war stories; obviously, some
> >dealers will be clueless.
> >
> >My old '93 Explorer needs replacing thus information on newer vehicles
> >would be useful.  FWIW, the '93 has nasty ignition noise on at least the
> >
> >BC band and the  120MHz aircraft band.  I just *may* want to go HF/VHF
> >mobile (non-FM) and if problems can be avoided before laying out big
> >bucks, so much the better.
> >
> >Ideas?
> >
> >TIA & 73,
> >
> >Tom - WA2BPE
> >
> >----
> >Your Moderator: Dick Flanagan W6OLD, [email protected]
> >Icom Users Net: Sundays, 1700Z, 14.315 MHz
> >Icom FAQ: http://www.qsl.net/icom/
>
> Thanks
> Dan, N9JBF
> Need a construction based safety person?
> Direct hire or contract.
>
> ----
> Your Moderator: Dick Flanagan W6OLD, [email protected]
> Icom Users Net: Sundays, 1700Z, 14.315 MHz
> Icom FAQ: http://www.qsl.net/icom/