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engine noise in a 90 niss max

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=118390
Printed Date: May 11, 2025 at 7:46 AM


Topic: engine noise in a 90 niss max

Posted By: dj1266
Subject: engine noise in a 90 niss max
Date Posted: December 10, 2009 at 1:55 AM

Ok I have changed the ground it is no longer hooked to factory harness; I unplugged the ant from the radio. no luck. Checked and re grounded the amps. 2 old school ppi a404s. I even took the rca’s and ran them outside the car im still getting engine noise and yes it goes up and down with rpm’s and I did check the grd on the alternator good shape.

My next step is unhooking power from factory harness and going to steering column harness for 12v switch and 12v mem. If this does not work, I don’t know where to go next or what could be causing it. Has anyone ran across this one with this type of car.

Sys installed in car is as follows.

Pioneer deh 410ub

Pioneer deq9200

2 ppi art a404’s

1 mtx 551244

1 pair crystal 61/2 comp rear

1 pair crystal 51/4 comp frt




Replies:

Posted By: i am an idiot
Date Posted: December 10, 2009 at 4:43 AM
https://bcae1.com/images/rca/temporaryrcashieldrepair.html



Posted By: tommy...
Date Posted: December 10, 2009 at 7:49 AM
Does it say Pioneer in there somewhere...?

-------------
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!



Posted By: i am an idiot
Date Posted: December 10, 2009 at 9:00 AM
I hope it does, if not I might look like an idiot. 


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