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04-25-2002, 10:00 PM
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#1 |
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Registered User
Join Date: Mar 2002
Location: Jasper, AL USA
Posts: 19
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Radio Static Noise(HELP)
My friends new stereo has a bad static noise. The noise is there when the car is running but not just when the switch is in the on position. This is through his amp, not the regular speakers. Can somebody please help us.
------------------ 1971 K5 Blazer 307 3sp/205(project)
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1971 K5 Blazer 307 3sp/205(project) |
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04-25-2002, 10:05 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Try finding a better ground on the amp, if that don't work, a noise filter that goes on the main power wire will fix it.
------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio |
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04-25-2002, 10:07 PM
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#3 |
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Livin' it up.
 
Join Date: Nov 2001
Location: Richland, MI
Posts: 2,212
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You are getting either electrical interference or having issues with a "good" ground. Did he run the RCA wires next to power wires? if he did that's a big no no. Aside from that running any sort of powered lines near a rca is bad. hope this helps some. good luck.
------------------ 69 Custom 20, 396BB,Longbed fleetside. New Oak Bed With SS strips... damn nice. Edelbrock performer RPM-O, Edelbrock 750Carb, Headers, HEI, 2 40" glasspacks. Stereo: Classic-style tape deck/radio, 2 6x9 Cerwin Vega's in doors, 2 10" Neo subs under seats, 1 900 Watt amp. SN= Ares220
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-Greg; Sold the 69 C20. It's off to a better home with more love! Now onto the 86 CUCV M1009; K5 blazer with 6.2L diesel, corp 10 bolt axles, Detroit locker in the rear, trutrac front, 3.73 gears, 35" tires. 
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04-25-2002, 10:11 PM
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#4 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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I did not know bout the power wires by the RCA....good info.
------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio |
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04-25-2002, 11:49 PM
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#5 |
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Livin' it up.
Join Date: Nov 2001
Location: Richland, MI
Posts: 2,212
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Yep electrical interference is a biatch. I've wired up a few vehicles and some just have some inherent line noise, in those cases it dont matter how you run the wire, just gotta get a line filter. For others you can just re-route things. Right now the only problem i'm having is my dang subs are going outa phase when i have the amp at anything above minimum power for the subs (4 channel) funky stuff and i dont get it since they are 4ohm subs. Going outa phase bites.
------------------ 69 Custom 20, 396BB,Longbed fleetside. New Oak Bed With SS strips... damn nice. Edelbrock performer RPM-O, Edelbrock 750Carb, Headers, HEI, 2 40" glasspacks. Stereo: Classic-style tape deck/radio, 2 6x9 Cerwin Vega's in doors, 2 10" Neo subs under seats, 1 900 Watt amp. SN= Ares220
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-Greg; Sold the 69 C20. It's off to a better home with more love! Now onto the 86 CUCV M1009; K5 blazer with 6.2L diesel, corp 10 bolt axles, Detroit locker in the rear, trutrac front, 3.73 gears, 35" tires.
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04-26-2002, 07:30 AM
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#6 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,507
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What kind of amp does he have? The cheap ones tend to pass the ignition noise through like that. Buy a quality amp, and no problems.
------------------ Tim [This message has been edited by Blazer1970 (edited April 26, 2002).]
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Tim |
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04-27-2002, 06:54 AM
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#7 |
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1969 Custom 30 wrecker
Join Date: Sep 2001
Location: Pottsville, Pa
Posts: 2,611
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I just solved this same problem with my '69 Chevelle yesterday. Turned out that I forgot to add a ground to the case of the stereo. The '69 Chevelle has the plastic dash where the stereo mounts so it was only getting grounded through the speakers.
Worth a shot anyhow. Mine sounds great now! ------------------ 63 Impala*66 Chevelle SS*69 Chevelle*69 C10 Stepside*71 Cheyenne 20*72 Chevelle Parts for sale: http://www.angelfire.com/trek/mr409/items4sale.html
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Bob 63 Impala 283/PG/3.36 (under restoration) 66 Impala 327/PG/3.36 66 Chevelle SS 409/M22/3.55 69 Chevelle 307/PG/3.08 (future restoration) 69 C10 short stepside 454/TH350/3.73 69 Custom 30 tow truck 350/4 spd/4.10 (resto done, CRUISIN TIME!) 71 Cheyenne 20 fleetside 350/4 spd/4.10 71 Chevelle 6/PG/3.08 72 Chevelle 454/M21/4.10 |
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