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turn-off thump & relay


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boulderguy 
Silver - Posts: 510
Silver spacespace
Joined: April 17, 2005
Location: United States
Posted: April 22, 2005 at 10:14 PM / IP Logged  
I use a standard SPDT relay to turn on 3 amps, a signal processor & two cooling fans thru the headunit's remote.  Works great, but there's a small turn-off thump.  Any tricks to fix that?  Maybe a diode or two relays?
slammedb5 
Copper - Posts: 103
Copper spacespace
Joined: January 05, 2005
Location: United States
Posted: April 23, 2005 at 4:06 AM / IP Logged  
Maybe the HU cuts power to it's accessories after power is cut to the car. Are you using the blue/white wire from the deck? Try finding an in car substitute for power to your relays, like from the car's ignition harness, and see if that solves the problem.
EK Civic
security
no audio
geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: April 23, 2005 at 7:55 AM / IP Logged  
Exactly.  If that doesn't work: http://www.crutchfield.com/S-tftBol3nOTa/tech/kb327.html
My ex once told me I have a perfect face for radio.
supradude 
Silver - Posts: 915
Silver spacespace
Joined: September 21, 2004
Location: South Carolina, United States
Posted: April 23, 2005 at 10:39 AM / IP Logged  
You can contact dnavone@davidnavone.com. He has part # N-68 (turn off delay) that will do the trick.
'85 Toy

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