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post #1 of 20 (permalink) Old 08-02-2011, 01:54 PM Thread Starter
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car question

Nowhere does it say this forum must be hunting related, so here goes: I have a '93 buick. I am fairly well versed on mechanics and electronics of autos, but have a problem I can't locate/get rid of. It developed a massive static in the radio, which varies with the engine rpms. I changed the alternator, three coil packs, and plug wires with no help. In my knowledge there are only three things left, but I may be missing something. The three things are the battery, the radio, and the antenna. Am I missing anything?

I gotta go agitate the techies!
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post #2 of 20 (permalink) Old 08-02-2011, 08:31 PM
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Re: car question

check the ground to the radio?

if you bought it, a trucker brought it
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post #3 of 20 (permalink) Old 08-03-2011, 01:11 AM Thread Starter
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Re: car question

yep, pulled the radio out and ran a ground from the battery to the metal case. no help. Pulled all three coil block off and cleaned all the contacting surfaces, no help. I even removed the alternator wires and ran it just on the battery. no help. ran a ground from the battery to the engine block and to the chassis. no help Man, about the only thing I haven't checked is the air in the tires!

I gotta go agitate the techies!
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post #4 of 20 (permalink) Old 08-03-2011, 05:00 PM
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Re: car question

its electric feedback for sure. radio shop might have a supressor

if you bought it, a trucker brought it
2F
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post #5 of 20 (permalink) Old 08-03-2011, 11:47 PM
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Re: car question

resistor plugs are what you are using ,right?

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post #6 of 20 (permalink) Old 08-04-2011, 12:11 AM
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Re: car question

Quote:
Nowhere does it say this forum must be hunting related, so here goes
You are correct..

Where have you been? I had to work late... Oh these? Yeah, it was 'camo day' at work again .
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post #7 of 20 (permalink) Old 08-04-2011, 12:15 AM Thread Starter
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Re: car question

It's not the plugs from what I can determine. I pulled one wire at a time and the sound didn't change pitch or frequency

I gotta go agitate the techies!
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post #8 of 20 (permalink) Old 08-04-2011, 07:45 AM
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Re: car question

Quote:
Originally Posted by gentleben
yep, pulled the radio out and ran a ground from the battery to the metal case. no help. Pulled all three coil block off and cleaned all the contacting surfaces, no help. I even removed the alternator wires and ran it just on the battery. no help. ran a ground from the battery to the engine block and to the chassis. no help Man, about the only thing I haven't checked is the air in the tires!
Probably, the spare is low.
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post #9 of 20 (permalink) Old 08-07-2011, 02:33 PM
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Re: car question

you said the sound varies with engine rpm's ,right?you sure you are using resistor plugs. also when did this start to happen

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post #10 of 20 (permalink) Old 08-07-2011, 02:46 PM Thread Starter
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Re: car question

I've had the car for four years. The problem just started about two months ago. Same plugs that have always been in it. Car runs great, no missing, etc. Just this darn "rpm static". I'm wondering now if the electronic ignition module that the coil packs mount on, could be going bad. It definitely appears to me to be oriented with the spark system, and the module is the only thing I don't have a borrowed part to try in it's place.

I gotta go agitate the techies!
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