Eliminating Niose on Ham Radio Jeep TJ?
08-23-2005, 01:06 AM
#51
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
I can't even imagine what you went through to isolate that down to the
exhaust system Will. I'm impressed, I don't think I would have stayed
with that troubleshooting procedure long enough to get to the exhaust
system. I'm impressed!
Jerry
Will Honea wrote:
> Weren't we just disucssing this part of the spark topic? Hardest
> noise source I ever had to track down was an exhaust system - poor
> graound at the manifold downpipe, everything else rubber isolated.
> That one took a separate braid strap between the rear tailpipe clamp
> and the frame to fix - after weeks of cussing and swearing. That was
> a 20 meter rig but it's worth a look.
>
> On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> wrote:
>
>
>>If you know for a fact that the Champion plugs you installed are
>>non-resistor (no "R" in the part number), then that is probably
>>responsible for all or at least much/most of the noise your radio is
>>picking up. Both the ignition and spark plugs must be resistor types or
>>ignition noise will be horrible. The factory always installs resistor
>>type ignition wiring and resistor type plugs for that reason.
>>
>>73
>>Jerry
>>N6TAY
>>
>>Nick ------ wrote:
>>
>>>Response follows...
>>>
>>>Jerry Bransford wrote:
>>>
>>>
>>>>Nick, where is your radio getting its power from?
>>>
>>>
>>>10 guage wire directly from the battery. It runs from the terminal,
>>>through a firewall, then to the rear of the Jeep.
>>>
>>>
>>>
>>>>Does the noise go
>>>>away when you disconnect the antenna?
>>>
>>>
>>>
>>>I will try this.
>>>
>>>
>>>
>>>>Have you replaced your spark
>>>>plugs with non-resistor plugs?
>>>
>>>
>>>Yes. They are Champion.
>>>
>>>I may try moving an AM radio around the car. Hopefully, I can isolate
>>>it further.
>>>
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>>Jerry
>>>>N6TAY
>>>>
>>>>
>>>>
>>>>Nick ------ wrote:
>>>>
>>>>
>>>>>Hi Folks,
>>>>>
>>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
>>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
>>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
>>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
>>>>>still experiencing noise poportional to engine RPM.
>>>>>
>>>>>Any insight appreciated.
>>>>>
>>>>>
>>>>>Thanks,
>>>>>Nick
>>>>>
>>>>
>>>>--
>>>>Jerry Bransford
>>>>PP-ASEL N6TAY
>>>>See the Geezer Jeep at
>>>>http://members.***.net/jerrypb/
>>>
>>>
>
>
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
exhaust system Will. I'm impressed, I don't think I would have stayed
with that troubleshooting procedure long enough to get to the exhaust
system. I'm impressed!
Jerry
Will Honea wrote:
> Weren't we just disucssing this part of the spark topic? Hardest
> noise source I ever had to track down was an exhaust system - poor
> graound at the manifold downpipe, everything else rubber isolated.
> That one took a separate braid strap between the rear tailpipe clamp
> and the frame to fix - after weeks of cussing and swearing. That was
> a 20 meter rig but it's worth a look.
>
> On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> wrote:
>
>
>>If you know for a fact that the Champion plugs you installed are
>>non-resistor (no "R" in the part number), then that is probably
>>responsible for all or at least much/most of the noise your radio is
>>picking up. Both the ignition and spark plugs must be resistor types or
>>ignition noise will be horrible. The factory always installs resistor
>>type ignition wiring and resistor type plugs for that reason.
>>
>>73
>>Jerry
>>N6TAY
>>
>>Nick ------ wrote:
>>
>>>Response follows...
>>>
>>>Jerry Bransford wrote:
>>>
>>>
>>>>Nick, where is your radio getting its power from?
>>>
>>>
>>>10 guage wire directly from the battery. It runs from the terminal,
>>>through a firewall, then to the rear of the Jeep.
>>>
>>>
>>>
>>>>Does the noise go
>>>>away when you disconnect the antenna?
>>>
>>>
>>>
>>>I will try this.
>>>
>>>
>>>
>>>>Have you replaced your spark
>>>>plugs with non-resistor plugs?
>>>
>>>
>>>Yes. They are Champion.
>>>
>>>I may try moving an AM radio around the car. Hopefully, I can isolate
>>>it further.
>>>
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>>Jerry
>>>>N6TAY
>>>>
>>>>
>>>>
>>>>Nick ------ wrote:
>>>>
>>>>
>>>>>Hi Folks,
>>>>>
>>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
>>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
>>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
>>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
>>>>>still experiencing noise poportional to engine RPM.
>>>>>
>>>>>Any insight appreciated.
>>>>>
>>>>>
>>>>>Thanks,
>>>>>Nick
>>>>>
>>>>
>>>>--
>>>>Jerry Bransford
>>>>PP-ASEL N6TAY
>>>>See the Geezer Jeep at
>>>>http://members.***.net/jerrypb/
>>>
>>>
>
>
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
08-23-2005, 01:06 AM
#52
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
I can't even imagine what you went through to isolate that down to the
exhaust system Will. I'm impressed, I don't think I would have stayed
with that troubleshooting procedure long enough to get to the exhaust
system. I'm impressed!
Jerry
Will Honea wrote:
> Weren't we just disucssing this part of the spark topic? Hardest
> noise source I ever had to track down was an exhaust system - poor
> graound at the manifold downpipe, everything else rubber isolated.
> That one took a separate braid strap between the rear tailpipe clamp
> and the frame to fix - after weeks of cussing and swearing. That was
> a 20 meter rig but it's worth a look.
>
> On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> wrote:
>
>
>>If you know for a fact that the Champion plugs you installed are
>>non-resistor (no "R" in the part number), then that is probably
>>responsible for all or at least much/most of the noise your radio is
>>picking up. Both the ignition and spark plugs must be resistor types or
>>ignition noise will be horrible. The factory always installs resistor
>>type ignition wiring and resistor type plugs for that reason.
>>
>>73
>>Jerry
>>N6TAY
>>
>>Nick ------ wrote:
>>
>>>Response follows...
>>>
>>>Jerry Bransford wrote:
>>>
>>>
>>>>Nick, where is your radio getting its power from?
>>>
>>>
>>>10 guage wire directly from the battery. It runs from the terminal,
>>>through a firewall, then to the rear of the Jeep.
>>>
>>>
>>>
>>>>Does the noise go
>>>>away when you disconnect the antenna?
>>>
>>>
>>>
>>>I will try this.
>>>
>>>
>>>
>>>>Have you replaced your spark
>>>>plugs with non-resistor plugs?
>>>
>>>
>>>Yes. They are Champion.
>>>
>>>I may try moving an AM radio around the car. Hopefully, I can isolate
>>>it further.
>>>
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>>Jerry
>>>>N6TAY
>>>>
>>>>
>>>>
>>>>Nick ------ wrote:
>>>>
>>>>
>>>>>Hi Folks,
>>>>>
>>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
>>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
>>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
>>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
>>>>>still experiencing noise poportional to engine RPM.
>>>>>
>>>>>Any insight appreciated.
>>>>>
>>>>>
>>>>>Thanks,
>>>>>Nick
>>>>>
>>>>
>>>>--
>>>>Jerry Bransford
>>>>PP-ASEL N6TAY
>>>>See the Geezer Jeep at
>>>>http://members.***.net/jerrypb/
>>>
>>>
>
>
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
exhaust system Will. I'm impressed, I don't think I would have stayed
with that troubleshooting procedure long enough to get to the exhaust
system. I'm impressed!
Jerry
Will Honea wrote:
> Weren't we just disucssing this part of the spark topic? Hardest
> noise source I ever had to track down was an exhaust system - poor
> graound at the manifold downpipe, everything else rubber isolated.
> That one took a separate braid strap between the rear tailpipe clamp
> and the frame to fix - after weeks of cussing and swearing. That was
> a 20 meter rig but it's worth a look.
>
> On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> wrote:
>
>
>>If you know for a fact that the Champion plugs you installed are
>>non-resistor (no "R" in the part number), then that is probably
>>responsible for all or at least much/most of the noise your radio is
>>picking up. Both the ignition and spark plugs must be resistor types or
>>ignition noise will be horrible. The factory always installs resistor
>>type ignition wiring and resistor type plugs for that reason.
>>
>>73
>>Jerry
>>N6TAY
>>
>>Nick ------ wrote:
>>
>>>Response follows...
>>>
>>>Jerry Bransford wrote:
>>>
>>>
>>>>Nick, where is your radio getting its power from?
>>>
>>>
>>>10 guage wire directly from the battery. It runs from the terminal,
>>>through a firewall, then to the rear of the Jeep.
>>>
>>>
>>>
>>>>Does the noise go
>>>>away when you disconnect the antenna?
>>>
>>>
>>>
>>>I will try this.
>>>
>>>
>>>
>>>>Have you replaced your spark
>>>>plugs with non-resistor plugs?
>>>
>>>
>>>Yes. They are Champion.
>>>
>>>I may try moving an AM radio around the car. Hopefully, I can isolate
>>>it further.
>>>
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>>Jerry
>>>>N6TAY
>>>>
>>>>
>>>>
>>>>Nick ------ wrote:
>>>>
>>>>
>>>>>Hi Folks,
>>>>>
>>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
>>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
>>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
>>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
>>>>>still experiencing noise poportional to engine RPM.
>>>>>
>>>>>Any insight appreciated.
>>>>>
>>>>>
>>>>>Thanks,
>>>>>Nick
>>>>>
>>>>
>>>>--
>>>>Jerry Bransford
>>>>PP-ASEL N6TAY
>>>>See the Geezer Jeep at
>>>>http://members.***.net/jerrypb/
>>>
>>>
>
>
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
08-23-2005, 01:06 AM
#53
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
I can't even imagine what you went through to isolate that down to the
exhaust system Will. I'm impressed, I don't think I would have stayed
with that troubleshooting procedure long enough to get to the exhaust
system. I'm impressed!
Jerry
Will Honea wrote:
> Weren't we just disucssing this part of the spark topic? Hardest
> noise source I ever had to track down was an exhaust system - poor
> graound at the manifold downpipe, everything else rubber isolated.
> That one took a separate braid strap between the rear tailpipe clamp
> and the frame to fix - after weeks of cussing and swearing. That was
> a 20 meter rig but it's worth a look.
>
> On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> wrote:
>
>
>>If you know for a fact that the Champion plugs you installed are
>>non-resistor (no "R" in the part number), then that is probably
>>responsible for all or at least much/most of the noise your radio is
>>picking up. Both the ignition and spark plugs must be resistor types or
>>ignition noise will be horrible. The factory always installs resistor
>>type ignition wiring and resistor type plugs for that reason.
>>
>>73
>>Jerry
>>N6TAY
>>
>>Nick ------ wrote:
>>
>>>Response follows...
>>>
>>>Jerry Bransford wrote:
>>>
>>>
>>>>Nick, where is your radio getting its power from?
>>>
>>>
>>>10 guage wire directly from the battery. It runs from the terminal,
>>>through a firewall, then to the rear of the Jeep.
>>>
>>>
>>>
>>>>Does the noise go
>>>>away when you disconnect the antenna?
>>>
>>>
>>>
>>>I will try this.
>>>
>>>
>>>
>>>>Have you replaced your spark
>>>>plugs with non-resistor plugs?
>>>
>>>
>>>Yes. They are Champion.
>>>
>>>I may try moving an AM radio around the car. Hopefully, I can isolate
>>>it further.
>>>
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>>Jerry
>>>>N6TAY
>>>>
>>>>
>>>>
>>>>Nick ------ wrote:
>>>>
>>>>
>>>>>Hi Folks,
>>>>>
>>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
>>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
>>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
>>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
>>>>>still experiencing noise poportional to engine RPM.
>>>>>
>>>>>Any insight appreciated.
>>>>>
>>>>>
>>>>>Thanks,
>>>>>Nick
>>>>>
>>>>
>>>>--
>>>>Jerry Bransford
>>>>PP-ASEL N6TAY
>>>>See the Geezer Jeep at
>>>>http://members.***.net/jerrypb/
>>>
>>>
>
>
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
exhaust system Will. I'm impressed, I don't think I would have stayed
with that troubleshooting procedure long enough to get to the exhaust
system. I'm impressed!
Jerry
Will Honea wrote:
> Weren't we just disucssing this part of the spark topic? Hardest
> noise source I ever had to track down was an exhaust system - poor
> graound at the manifold downpipe, everything else rubber isolated.
> That one took a separate braid strap between the rear tailpipe clamp
> and the frame to fix - after weeks of cussing and swearing. That was
> a 20 meter rig but it's worth a look.
>
> On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> wrote:
>
>
>>If you know for a fact that the Champion plugs you installed are
>>non-resistor (no "R" in the part number), then that is probably
>>responsible for all or at least much/most of the noise your radio is
>>picking up. Both the ignition and spark plugs must be resistor types or
>>ignition noise will be horrible. The factory always installs resistor
>>type ignition wiring and resistor type plugs for that reason.
>>
>>73
>>Jerry
>>N6TAY
>>
>>Nick ------ wrote:
>>
>>>Response follows...
>>>
>>>Jerry Bransford wrote:
>>>
>>>
>>>>Nick, where is your radio getting its power from?
>>>
>>>
>>>10 guage wire directly from the battery. It runs from the terminal,
>>>through a firewall, then to the rear of the Jeep.
>>>
>>>
>>>
>>>>Does the noise go
>>>>away when you disconnect the antenna?
>>>
>>>
>>>
>>>I will try this.
>>>
>>>
>>>
>>>>Have you replaced your spark
>>>>plugs with non-resistor plugs?
>>>
>>>
>>>Yes. They are Champion.
>>>
>>>I may try moving an AM radio around the car. Hopefully, I can isolate
>>>it further.
>>>
>>>
>>>Thanks
>>>
>>>
>>>
>>>
>>>>Jerry
>>>>N6TAY
>>>>
>>>>
>>>>
>>>>Nick ------ wrote:
>>>>
>>>>
>>>>>Hi Folks,
>>>>>
>>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
>>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
>>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
>>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
>>>>>still experiencing noise poportional to engine RPM.
>>>>>
>>>>>Any insight appreciated.
>>>>>
>>>>>
>>>>>Thanks,
>>>>>Nick
>>>>>
>>>>
>>>>--
>>>>Jerry Bransford
>>>>PP-ASEL N6TAY
>>>>See the Geezer Jeep at
>>>>http://members.***.net/jerrypb/
>>>
>>>
>
>
--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/
08-23-2005, 10:45 AM
#54
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
See http://www.stu-offroad.com/index.shtml this is a great source of
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
08-23-2005, 10:45 AM
#55
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
See http://www.stu-offroad.com/index.shtml this is a great source of
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
08-23-2005, 10:45 AM
#56
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
See http://www.stu-offroad.com/index.shtml this is a great source of
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
08-23-2005, 10:45 AM
#57
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
See http://www.stu-offroad.com/index.shtml this is a great source of
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
information.
"Nick ------" <nixon8890@gmail.com> wrote in message
news:1124585186.068816.323310@o13g2000cwo.googlegr oups.com...
> Hi Folks,
>
> Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> 2000 or later? I grounded the tail pipe to the frame, installed .1uF
> bypass caps on the fuel pump lead (to ground) and am still experiencing
> noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> still experiencing noise poportional to engine RPM.
>
> Any insight appreciated.
>
>
> Thanks,
> Nick
>
>
08-23-2005, 02:28 PM
#58
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
You have to consider that this was in the late 50's when I had one
helluva lot more time than money. I also had the benefit of 15-20
older hams in the local MARS group helping - those guys believed that
going mobile meant braid straps between every panel, AIR.
On Tue, 23 Aug 2005 05:06:06 UTC Jerry Bransford <jerrypb@***.net>
wrote:
> I can't even imagine what you went through to isolate that down to the
> exhaust system Will. I'm impressed, I don't think I would have stayed
> with that troubleshooting procedure long enough to get to the exhaust
> system. I'm impressed!
>
> Jerry
>
> Will Honea wrote:
> > Weren't we just disucssing this part of the spark topic? Hardest
> > noise source I ever had to track down was an exhaust system - poor
> > graound at the manifold downpipe, everything else rubber isolated.
> > That one took a separate braid strap between the rear tailpipe clamp
> > and the frame to fix - after weeks of cussing and swearing. That was
> > a 20 meter rig but it's worth a look.
> >
> > On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> > wrote:
> >
> >
> >>If you know for a fact that the Champion plugs you installed are
> >>non-resistor (no "R" in the part number), then that is probably
> >>responsible for all or at least much/most of the noise your radio is
> >>picking up. Both the ignition and spark plugs must be resistor types or
> >>ignition noise will be horrible. The factory always installs resistor
> >>type ignition wiring and resistor type plugs for that reason.
> >>
> >>73
> >>Jerry
> >>N6TAY
> >>
> >>Nick ------ wrote:
> >>
> >>>Response follows...
> >>>
> >>>Jerry Bransford wrote:
> >>>
> >>>
> >>>>Nick, where is your radio getting its power from?
> >>>
> >>>
> >>>10 guage wire directly from the battery. It runs from the terminal,
> >>>through a firewall, then to the rear of the Jeep.
> >>>
> >>>
> >>>
> >>>>Does the noise go
> >>>>away when you disconnect the antenna?
> >>>
> >>>
> >>>
> >>>I will try this.
> >>>
> >>>
> >>>
> >>>>Have you replaced your spark
> >>>>plugs with non-resistor plugs?
> >>>
> >>>
> >>>Yes. They are Champion.
> >>>
> >>>I may try moving an AM radio around the car. Hopefully, I can isolate
> >>>it further.
> >>>
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>>Jerry
> >>>>N6TAY
> >>>>
> >>>>
> >>>>
> >>>>Nick ------ wrote:
> >>>>
> >>>>
> >>>>>Hi Folks,
> >>>>>
> >>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> >>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
> >>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
> >>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> >>>>>still experiencing noise poportional to engine RPM.
> >>>>>
> >>>>>Any insight appreciated.
> >>>>>
> >>>>>
> >>>>>Thanks,
> >>>>>Nick
> >>>>>
> >>>>
> >>>>--
> >>>>Jerry Bransford
> >>>>PP-ASEL N6TAY
> >>>>See the Geezer Jeep at
> >>>>http://members.***.net/jerrypb/
> >>>
> >>>
> >
> >
>
--
Will Honea
helluva lot more time than money. I also had the benefit of 15-20
older hams in the local MARS group helping - those guys believed that
going mobile meant braid straps between every panel, AIR.
On Tue, 23 Aug 2005 05:06:06 UTC Jerry Bransford <jerrypb@***.net>
wrote:
> I can't even imagine what you went through to isolate that down to the
> exhaust system Will. I'm impressed, I don't think I would have stayed
> with that troubleshooting procedure long enough to get to the exhaust
> system. I'm impressed!
>
> Jerry
>
> Will Honea wrote:
> > Weren't we just disucssing this part of the spark topic? Hardest
> > noise source I ever had to track down was an exhaust system - poor
> > graound at the manifold downpipe, everything else rubber isolated.
> > That one took a separate braid strap between the rear tailpipe clamp
> > and the frame to fix - after weeks of cussing and swearing. That was
> > a 20 meter rig but it's worth a look.
> >
> > On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> > wrote:
> >
> >
> >>If you know for a fact that the Champion plugs you installed are
> >>non-resistor (no "R" in the part number), then that is probably
> >>responsible for all or at least much/most of the noise your radio is
> >>picking up. Both the ignition and spark plugs must be resistor types or
> >>ignition noise will be horrible. The factory always installs resistor
> >>type ignition wiring and resistor type plugs for that reason.
> >>
> >>73
> >>Jerry
> >>N6TAY
> >>
> >>Nick ------ wrote:
> >>
> >>>Response follows...
> >>>
> >>>Jerry Bransford wrote:
> >>>
> >>>
> >>>>Nick, where is your radio getting its power from?
> >>>
> >>>
> >>>10 guage wire directly from the battery. It runs from the terminal,
> >>>through a firewall, then to the rear of the Jeep.
> >>>
> >>>
> >>>
> >>>>Does the noise go
> >>>>away when you disconnect the antenna?
> >>>
> >>>
> >>>
> >>>I will try this.
> >>>
> >>>
> >>>
> >>>>Have you replaced your spark
> >>>>plugs with non-resistor plugs?
> >>>
> >>>
> >>>Yes. They are Champion.
> >>>
> >>>I may try moving an AM radio around the car. Hopefully, I can isolate
> >>>it further.
> >>>
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>>Jerry
> >>>>N6TAY
> >>>>
> >>>>
> >>>>
> >>>>Nick ------ wrote:
> >>>>
> >>>>
> >>>>>Hi Folks,
> >>>>>
> >>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> >>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
> >>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
> >>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> >>>>>still experiencing noise poportional to engine RPM.
> >>>>>
> >>>>>Any insight appreciated.
> >>>>>
> >>>>>
> >>>>>Thanks,
> >>>>>Nick
> >>>>>
> >>>>
> >>>>--
> >>>>Jerry Bransford
> >>>>PP-ASEL N6TAY
> >>>>See the Geezer Jeep at
> >>>>http://members.***.net/jerrypb/
> >>>
> >>>
> >
> >
>
--
Will Honea
08-23-2005, 02:28 PM
#59
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
You have to consider that this was in the late 50's when I had one
helluva lot more time than money. I also had the benefit of 15-20
older hams in the local MARS group helping - those guys believed that
going mobile meant braid straps between every panel, AIR.
On Tue, 23 Aug 2005 05:06:06 UTC Jerry Bransford <jerrypb@***.net>
wrote:
> I can't even imagine what you went through to isolate that down to the
> exhaust system Will. I'm impressed, I don't think I would have stayed
> with that troubleshooting procedure long enough to get to the exhaust
> system. I'm impressed!
>
> Jerry
>
> Will Honea wrote:
> > Weren't we just disucssing this part of the spark topic? Hardest
> > noise source I ever had to track down was an exhaust system - poor
> > graound at the manifold downpipe, everything else rubber isolated.
> > That one took a separate braid strap between the rear tailpipe clamp
> > and the frame to fix - after weeks of cussing and swearing. That was
> > a 20 meter rig but it's worth a look.
> >
> > On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> > wrote:
> >
> >
> >>If you know for a fact that the Champion plugs you installed are
> >>non-resistor (no "R" in the part number), then that is probably
> >>responsible for all or at least much/most of the noise your radio is
> >>picking up. Both the ignition and spark plugs must be resistor types or
> >>ignition noise will be horrible. The factory always installs resistor
> >>type ignition wiring and resistor type plugs for that reason.
> >>
> >>73
> >>Jerry
> >>N6TAY
> >>
> >>Nick ------ wrote:
> >>
> >>>Response follows...
> >>>
> >>>Jerry Bransford wrote:
> >>>
> >>>
> >>>>Nick, where is your radio getting its power from?
> >>>
> >>>
> >>>10 guage wire directly from the battery. It runs from the terminal,
> >>>through a firewall, then to the rear of the Jeep.
> >>>
> >>>
> >>>
> >>>>Does the noise go
> >>>>away when you disconnect the antenna?
> >>>
> >>>
> >>>
> >>>I will try this.
> >>>
> >>>
> >>>
> >>>>Have you replaced your spark
> >>>>plugs with non-resistor plugs?
> >>>
> >>>
> >>>Yes. They are Champion.
> >>>
> >>>I may try moving an AM radio around the car. Hopefully, I can isolate
> >>>it further.
> >>>
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>>Jerry
> >>>>N6TAY
> >>>>
> >>>>
> >>>>
> >>>>Nick ------ wrote:
> >>>>
> >>>>
> >>>>>Hi Folks,
> >>>>>
> >>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> >>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
> >>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
> >>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> >>>>>still experiencing noise poportional to engine RPM.
> >>>>>
> >>>>>Any insight appreciated.
> >>>>>
> >>>>>
> >>>>>Thanks,
> >>>>>Nick
> >>>>>
> >>>>
> >>>>--
> >>>>Jerry Bransford
> >>>>PP-ASEL N6TAY
> >>>>See the Geezer Jeep at
> >>>>http://members.***.net/jerrypb/
> >>>
> >>>
> >
> >
>
--
Will Honea
helluva lot more time than money. I also had the benefit of 15-20
older hams in the local MARS group helping - those guys believed that
going mobile meant braid straps between every panel, AIR.
On Tue, 23 Aug 2005 05:06:06 UTC Jerry Bransford <jerrypb@***.net>
wrote:
> I can't even imagine what you went through to isolate that down to the
> exhaust system Will. I'm impressed, I don't think I would have stayed
> with that troubleshooting procedure long enough to get to the exhaust
> system. I'm impressed!
>
> Jerry
>
> Will Honea wrote:
> > Weren't we just disucssing this part of the spark topic? Hardest
> > noise source I ever had to track down was an exhaust system - poor
> > graound at the manifold downpipe, everything else rubber isolated.
> > That one took a separate braid strap between the rear tailpipe clamp
> > and the frame to fix - after weeks of cussing and swearing. That was
> > a 20 meter rig but it's worth a look.
> >
> > On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> > wrote:
> >
> >
> >>If you know for a fact that the Champion plugs you installed are
> >>non-resistor (no "R" in the part number), then that is probably
> >>responsible for all or at least much/most of the noise your radio is
> >>picking up. Both the ignition and spark plugs must be resistor types or
> >>ignition noise will be horrible. The factory always installs resistor
> >>type ignition wiring and resistor type plugs for that reason.
> >>
> >>73
> >>Jerry
> >>N6TAY
> >>
> >>Nick ------ wrote:
> >>
> >>>Response follows...
> >>>
> >>>Jerry Bransford wrote:
> >>>
> >>>
> >>>>Nick, where is your radio getting its power from?
> >>>
> >>>
> >>>10 guage wire directly from the battery. It runs from the terminal,
> >>>through a firewall, then to the rear of the Jeep.
> >>>
> >>>
> >>>
> >>>>Does the noise go
> >>>>away when you disconnect the antenna?
> >>>
> >>>
> >>>
> >>>I will try this.
> >>>
> >>>
> >>>
> >>>>Have you replaced your spark
> >>>>plugs with non-resistor plugs?
> >>>
> >>>
> >>>Yes. They are Champion.
> >>>
> >>>I may try moving an AM radio around the car. Hopefully, I can isolate
> >>>it further.
> >>>
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>>Jerry
> >>>>N6TAY
> >>>>
> >>>>
> >>>>
> >>>>Nick ------ wrote:
> >>>>
> >>>>
> >>>>>Hi Folks,
> >>>>>
> >>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> >>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
> >>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
> >>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> >>>>>still experiencing noise poportional to engine RPM.
> >>>>>
> >>>>>Any insight appreciated.
> >>>>>
> >>>>>
> >>>>>Thanks,
> >>>>>Nick
> >>>>>
> >>>>
> >>>>--
> >>>>Jerry Bransford
> >>>>PP-ASEL N6TAY
> >>>>See the Geezer Jeep at
> >>>>http://members.***.net/jerrypb/
> >>>
> >>>
> >
> >
>
--
Will Honea
08-23-2005, 02:28 PM
#60
Guest
Posts: n/a
Re: Eliminating Niose on Ham Radio Jeep TJ?
You have to consider that this was in the late 50's when I had one
helluva lot more time than money. I also had the benefit of 15-20
older hams in the local MARS group helping - those guys believed that
going mobile meant braid straps between every panel, AIR.
On Tue, 23 Aug 2005 05:06:06 UTC Jerry Bransford <jerrypb@***.net>
wrote:
> I can't even imagine what you went through to isolate that down to the
> exhaust system Will. I'm impressed, I don't think I would have stayed
> with that troubleshooting procedure long enough to get to the exhaust
> system. I'm impressed!
>
> Jerry
>
> Will Honea wrote:
> > Weren't we just disucssing this part of the spark topic? Hardest
> > noise source I ever had to track down was an exhaust system - poor
> > graound at the manifold downpipe, everything else rubber isolated.
> > That one took a separate braid strap between the rear tailpipe clamp
> > and the frame to fix - after weeks of cussing and swearing. That was
> > a 20 meter rig but it's worth a look.
> >
> > On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> > wrote:
> >
> >
> >>If you know for a fact that the Champion plugs you installed are
> >>non-resistor (no "R" in the part number), then that is probably
> >>responsible for all or at least much/most of the noise your radio is
> >>picking up. Both the ignition and spark plugs must be resistor types or
> >>ignition noise will be horrible. The factory always installs resistor
> >>type ignition wiring and resistor type plugs for that reason.
> >>
> >>73
> >>Jerry
> >>N6TAY
> >>
> >>Nick ------ wrote:
> >>
> >>>Response follows...
> >>>
> >>>Jerry Bransford wrote:
> >>>
> >>>
> >>>>Nick, where is your radio getting its power from?
> >>>
> >>>
> >>>10 guage wire directly from the battery. It runs from the terminal,
> >>>through a firewall, then to the rear of the Jeep.
> >>>
> >>>
> >>>
> >>>>Does the noise go
> >>>>away when you disconnect the antenna?
> >>>
> >>>
> >>>
> >>>I will try this.
> >>>
> >>>
> >>>
> >>>>Have you replaced your spark
> >>>>plugs with non-resistor plugs?
> >>>
> >>>
> >>>Yes. They are Champion.
> >>>
> >>>I may try moving an AM radio around the car. Hopefully, I can isolate
> >>>it further.
> >>>
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>>Jerry
> >>>>N6TAY
> >>>>
> >>>>
> >>>>
> >>>>Nick ------ wrote:
> >>>>
> >>>>
> >>>>>Hi Folks,
> >>>>>
> >>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> >>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
> >>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
> >>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> >>>>>still experiencing noise poportional to engine RPM.
> >>>>>
> >>>>>Any insight appreciated.
> >>>>>
> >>>>>
> >>>>>Thanks,
> >>>>>Nick
> >>>>>
> >>>>
> >>>>--
> >>>>Jerry Bransford
> >>>>PP-ASEL N6TAY
> >>>>See the Geezer Jeep at
> >>>>http://members.***.net/jerrypb/
> >>>
> >>>
> >
> >
>
--
Will Honea
helluva lot more time than money. I also had the benefit of 15-20
older hams in the local MARS group helping - those guys believed that
going mobile meant braid straps between every panel, AIR.
On Tue, 23 Aug 2005 05:06:06 UTC Jerry Bransford <jerrypb@***.net>
wrote:
> I can't even imagine what you went through to isolate that down to the
> exhaust system Will. I'm impressed, I don't think I would have stayed
> with that troubleshooting procedure long enough to get to the exhaust
> system. I'm impressed!
>
> Jerry
>
> Will Honea wrote:
> > Weren't we just disucssing this part of the spark topic? Hardest
> > noise source I ever had to track down was an exhaust system - poor
> > graound at the manifold downpipe, everything else rubber isolated.
> > That one took a separate braid strap between the rear tailpipe clamp
> > and the frame to fix - after weeks of cussing and swearing. That was
> > a 20 meter rig but it's worth a look.
> >
> > On Tue, 23 Aug 2005 00:12:28 UTC Jerry Bransford <jerrypb@***.net>
> > wrote:
> >
> >
> >>If you know for a fact that the Champion plugs you installed are
> >>non-resistor (no "R" in the part number), then that is probably
> >>responsible for all or at least much/most of the noise your radio is
> >>picking up. Both the ignition and spark plugs must be resistor types or
> >>ignition noise will be horrible. The factory always installs resistor
> >>type ignition wiring and resistor type plugs for that reason.
> >>
> >>73
> >>Jerry
> >>N6TAY
> >>
> >>Nick ------ wrote:
> >>
> >>>Response follows...
> >>>
> >>>Jerry Bransford wrote:
> >>>
> >>>
> >>>>Nick, where is your radio getting its power from?
> >>>
> >>>
> >>>10 guage wire directly from the battery. It runs from the terminal,
> >>>through a firewall, then to the rear of the Jeep.
> >>>
> >>>
> >>>
> >>>>Does the noise go
> >>>>away when you disconnect the antenna?
> >>>
> >>>
> >>>
> >>>I will try this.
> >>>
> >>>
> >>>
> >>>>Have you replaced your spark
> >>>>plugs with non-resistor plugs?
> >>>
> >>>
> >>>Yes. They are Champion.
> >>>
> >>>I may try moving an AM radio around the car. Hopefully, I can isolate
> >>>it further.
> >>>
> >>>
> >>>Thanks
> >>>
> >>>
> >>>
> >>>
> >>>>Jerry
> >>>>N6TAY
> >>>>
> >>>>
> >>>>
> >>>>Nick ------ wrote:
> >>>>
> >>>>
> >>>>>Hi Folks,
> >>>>>
> >>>>>Has anyone had sucess eliminating Jeep TJ RF noise? Specifically, year
> >>>>>2000 or later? I grounded the tail pipe to the frame, installed .1uF
> >>>>>bypass caps on the fuel pump lead (to ground) and am still experiencing
> >>>>>noise on 2m/70cm. The bypass cap helped eliminate some noise, but I'm
> >>>>>still experiencing noise poportional to engine RPM.
> >>>>>
> >>>>>Any insight appreciated.
> >>>>>
> >>>>>
> >>>>>Thanks,
> >>>>>Nick
> >>>>>
> >>>>
> >>>>--
> >>>>Jerry Bransford
> >>>>PP-ASEL N6TAY
> >>>>See the Geezer Jeep at
> >>>>http://members.***.net/jerrypb/
> >>>
> >>>
> >
> >
>
--
Will Honea