| Re: [GMCnet] Trailer brake controller [message #351711 is a reply to message #351505] |
Tue, 21 January 2020 16:33   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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When Nissan (Datsun) first installed EFI on the 240 Z, they had no
suppression coming or going. They were notorious for just stopping dead in
their tracks, and not restarting. After they were towed in, you would climb
in, turn the key, and they would fire right up and run as well as ever. A
scan would reveal nothing, no stored codes, nothing. So you would just
scratch your head, exclaim "Whiskey, Tango, Foxtrot", call the owner and
tell them nothing was wrong with their car, try to justify charging them
for your shop minimum. Wasn't long until you had one P.O.'d customer. Took
a model year before Datsun figured it out. Ordinary close by radio
transmissions were found to be the cause. Don't know what they did to fix
it. Some kind of shielding, I reckon.
Jim Hupy
Salem, Oregon
On Tue, Jan 21, 2020, 2:14 PM Bruce Hislop via Gmclist <
gmclist@list.gmcnet.org> wrote:
> BTW, One of the worst RF noise offenders are vehicle electronics. Every
> piece of electronics emits RF noise. A kids electronic toy needs to pass a
> higher standard than a piece of office equipment. The reason being is the
> Gov. doesn't want to deal with interference to radios and TV's in homes.
> In commercial venues not so much. However vehicle electronics are not
> required to pass any type of RF emission standards.
>
> The amount of electronics in vehicles and the amount of RF interference
> they spew is incredible. We had lots of issues with Transit buses and
> agricultural equipment. The equipment manufacturers could fix it with a
> couple of dollars more for RF filtering on the wiring, but its not required
> on
> a $400,000 bus or a $750,000 combine so they won't do it.
>
> So if your wireless trailer brakes failed, it maybe because of the guy
> planting corn in the field near you... and there isn't a damn thing you can
> do
> about it.
>
>
> --
> Bruce Hislop
> ON Canada
> 77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.1 ton front end
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
> My Staff says I never listen to them, or something like that
>
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