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Author Topic:   weird radio static
FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-14-2001 10:20 PM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
Well my radio that I put in never did this before, but when I change the station or insert a tape it statics then the static fades away. Also whenever my rpm's go up, the static matches it.

Any ideas?
(Man I took 3 classes of electronics in school, I should know this)

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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Gary
Gearhead

Posts: 702
From: Sarasota, Fla. USA
Registered: Jun 99

posted 03-14-2001 10:43 PM     Click Here to See the Profile for Gary   Click Here to Email Gary     Edit/Delete Message   Reply w/Quote
Do you have resistor spark plugs, or check your ground?

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Moneypit
Gearhead

Posts: 95
From: Sacramento CA
Registered: Jun 99

posted 03-15-2001 02:41 PM     Click Here to See the Profile for Moneypit     Edit/Delete Message   Reply w/Quote
Sounds like ignition related noise. I had to put noise filters on both my power lead and light lead to get rid of the noise I was getting in my '67. I'm assuming your using an aftermarket stereo.

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FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-15-2001 03:05 PM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Moneypit:
Sounds like ignition related noise. I had to put noise filters on both my power lead and light lead to get rid of the noise I was getting in my '67. I'm assuming your using an aftermarket stereo.

Yeah. I have a Kenwood cassette-reciever.

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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Nos351C
Gearhead

Posts: 3000
From: Rohnert Park, CA USA M&M member#591
Registered: Jul 2000

posted 03-15-2001 03:55 PM     Click Here to See the Profile for Nos351C   Click Here to Email Nos351C     Edit/Delete Message   Reply w/Quote
any amplifiers or any other componentry? if it is just a radio, I would triple check your grounds...

------------------
Marcus
"I have a lot in common with ducks. Ducks actually hate rain."
-H. Stuck
"My drinking team has a racing problem"
My World

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FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-15-2001 04:08 PM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
Its just a straight out radio. No amps or anything (except speakers heh). I'll check the grounds when i get a chance.
Thanks guys.

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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SteveLaRiviere
Administrator

Posts: 24286
From: Saco, Maine Toys: '70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150
Registered: May 99

posted 03-15-2001 06:47 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Joe, are you using non-resistor spark plugs or non-suppressor spark plug wires? That would sure do it.

------------------
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L Disposable Commuter
"Live Right! Keep your driveway all Ford!"

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FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-16-2001 06:39 AM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by SteveLaRiviere:
Joe, are you using non-resistor spark plugs or non-suppressor spark plug wires? That would sure do it.


I have no idea. I've never heard of those.

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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SteveLaRiviere
Administrator

Posts: 24286
From: Saco, Maine Toys: '70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150
Registered: May 99

posted 03-16-2001 02:07 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Most spark plugs are resistor, but there are non resistor plugs available and they will give you radio static.

Also, most spark plug wires are radio suppresion wire, but some high performance types are not.

If you tell us what you have for plugs and wires, we can tell you what you have.

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'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L Disposable Commuter
"Live Right! Keep your driveway all Ford!"

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FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-16-2001 04:06 PM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
Ok, well i have autolite platnum spark plugs and accel super stock wires.

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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65coupei6
Gearhead

Posts: 391
From: S.F., CA
Registered: May 2000

posted 03-16-2001 08:13 PM     Click Here to See the Profile for 65coupei6   Click Here to Email 65coupei6     Edit/Delete Message   Reply w/Quote
Did you recently install a MSD box or any other ignition upgrade? That could do it also.

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FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-17-2001 01:52 AM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by 65coupei6:
Did you recently install a MSD box or any other ignition upgrade? That could do it also.


Well I do have a Fireball ignition but it was already on there for a while, so I dont think its that.

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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FloJoe
Gearhead

Posts: 394
From: Port Orange, FL, USA
Registered: Dec 2000

posted 03-18-2001 08:38 AM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
Welp I checked out the ground and its fine. I put it in 3 different places and it still did it, and the wire is fine.

I'm stumped

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Joe Fields
68 Fastback 289ci bored .030 over
C-4

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Troy
Gearhead

Posts: 422
From: no where USA
Registered: May 99

posted 07-22-2001 01:05 AM     Click Here to See the Profile for Troy   Click Here to Email Troy     Edit/Delete Message   Reply w/Quote
Joe, did you ever figure out the static problem with your radio?

I recently put a petronix ignition in my car and had to run the power for it directly off of the switched side of the starter solenoid. I also put some high performance plug wires on at the same time.

Now my stock AM radio is nothing but solid static with the engine running, but works fine when it is off.

Is there a way to filter out the noise at it's source rather than at the radio?

Thanks for any ideas,

Troy

[This message has been edited by Troy (edited 07-22-2001).]

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mustangs68
Moderator

Posts: 14326
From: Hampton,Virginia,USA 1968 Fastback & 1995 Vert MCA#39406 M&M #12
Registered: May 99

posted 07-22-2001 03:26 PM     Click Here to See the Profile for mustangs68   Click Here to Email mustangs68     Edit/Delete Message   Reply w/Quote
accel super stock wires..I think it maybe the wires..


Remember the early vettes that came with the "can" to cover the DIST. to reduce noise due to poor grounds.

sam

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