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a/c fan switch

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hamzter 
Copper - Posts: 116
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Joined: March 15, 2005
Location: United States
Posted: July 22, 2007 at 7:01 PM / IP Logged  
Anyone have any problems with their A/C Fan Switch inducing noise? I just stumbled across this. I was playing with the switch after installing my CD8445 headunit and then I noticed that while turning the switch I was getting the engine whine noise.
I think I may have found my engine noise problem.
Mark "Hamzter" Cinense
1991 Infiniti G20 w/JDM SR20DE
Eclipse CD8445
MTX Thunder 684
Polk DB6750
Polk DB6500
Optima Red Top in the Trunk
Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: July 22, 2007 at 10:29 PM / IP Logged  
I've had this before but it was not the fan. I ended up changing out the fan with a totally different one and the problem was still there. I was told that it was the motor that was inducing the noise. I used a power filter for the power wire, grounded the fans directly to the battery, used relays to power the fans & also changed out the HU & amplifier.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
hamzter 
Copper - Posts: 116
Copper spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: March 15, 2005
Location: United States
Posted: July 22, 2007 at 11:12 PM / IP Logged  
Velocity Motors wrote:
I've had this before but it was not the fan. I ended up changing out the fan with a totally different one and the problem was still there. I was told that it was the motor that was inducing the noise. I used a power filter for the power wire, grounded the fans directly to the battery, used relays to power the fans & also changed out the HU & amplifier.
So did you get it fixed/resolved?
Mark "Hamzter" Cinense
1991 Infiniti G20 w/JDM SR20DE
Eclipse CD8445
MTX Thunder 684
Polk DB6750
Polk DB6500
Optima Red Top in the Trunk
Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: July 23, 2007 at 9:23 AM / IP Logged  
No, what the customer did was he thought he had it figured out by changing out the fans again with ones from eBay and the problem was still there. I tried to change out RCA's as well for him and this was months ago and had not heard back from him since if the noise was there or not. So basically I don't know if the RCA's did the trick or he figured he's going to have to deal with it, but he never came back to me after.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
hamzter 
Copper - Posts: 116
Copper spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: March 15, 2005
Location: United States
Posted: July 23, 2007 at 9:42 AM / IP Logged  
I will call Eclipse Tech support and see what they say about the RCA's.
Mark "Hamzter" Cinense
1991 Infiniti G20 w/JDM SR20DE
Eclipse CD8445
MTX Thunder 684
Polk DB6750
Polk DB6500
Optima Red Top in the Trunk

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