i just can't get rid of stupid whine

[kdoggx2o00 10+ year member]

I've tried everything to get rid of the alternator whine in my car. I have a s2000 with a pioneer deh-p7000bt head unit. The alternator whine is only coming through the rear speakers WHEN both my front and rear rca's are connected to the back of the head unit. If I have only the rear rca's connected, there is no whine. Only the front, then there is no whine. But with both, the whine comes out only the rear speakers. I tried switching the rca's, but with no luck. The rca's and power wire are on opposite sides of the car. I tried that speaker wire trick on the back of the rca's , and no luck there either.

Any ideas?

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[Supergumby5000 5,000+ posts]

Ground the RCA's to the back of the headunit.

 

[x1le 10+ year member]

I would just try an isolator.

...but I'm also a lazy bum //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

 

[atsaubrey 10+ year member]

Good point, prolly got blown PICO fuses. (about grounding the RCA's)

 

[shakinghorizons]

Good point, prolly got blown PICO fuses. (about grounding the RCA's)

I have had this problem myself with the PICO fuses and had to ground out the outer connection of the RCA to ground

 

[kdoggx2o00 10+ year member]

i did ground the rca's but nothing changed... it mightve went down a little but that just might be in my head. is there a specific pattern to grounding them with the wire? i just wrapped it around the way the OP posted in that thrread

 

[kdoggx2o00 10+ year member]

I have had this problem myself with the PICO fuses and had to ground out the outer connection of the RCA to ground

could you elaborate on that? you wrapped wire around the actual rca instead of the inputs?

 

[Supergumby5000 5,000+ posts]

could you elaborate on that? you wrapped wire around the actual rca instead of the inputs?

either way works, you just need to make sure there is a good connection between the outer part of the RCA (not the pin), and the case of the headunit.

 

[shakinghorizons]

either way works, you just need to make sure there is a good connection between the outer part of the RCA (not the pin), and the case of the headunit.

X2

 

[kdoggx2o00 10+ year member]

great..im gonna go try that now, maybe i had the wire pushed too far back around the inputs so the connection was poor.

also..i grounded the rca's separately...meaning the front pair was grounded to one screw, and the rear pair grounded to a different one..does this matter?

 

[kdoggx2o00 10+ year member]

ahh no luck. dont know why i cant get rid of the whine

 

[30hrtz 10+ year member]

pioneers make good decks for the money, but some are lemons. IDK. i hate aggravating audio problems. good luck