relay to turn on/off amp

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Thack79

Silver - Posts: 526

Joined: December 02, 2003

Location: Virginia, United States

Posted: June 07, 2006 at 9:01 AM / IP Logged

Having some issues if someone can help me. trying to turn on/off an amp with a switch and relay. The problem im having is that when the car is not started it works properly however when the car is on the switch does not control the amp.

87 - battery, 85- ground, 86 - remote from radio, and 30 to amp

switch is placed between 30 and the amp. some thing im doing wrong?

djfearny2

Silver - Posts: 810

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Joined: September 23, 2002

Location: United States

Posted: June 07, 2006 at 9:33 AM / IP Logged

what do you mean a switch.

the way you describe it is a manner that the radio controls the amp. the remote lead from radio triggers relay in return turn on the amp. what are you trying to accomplish. that is the question to ask you

Jon

Installer/Help Technician

---coral springs florida---

mecp certification is not always needed. I have it and it has not helped me out at all. my experience out shines it.

Thack79

Silver - Posts: 526

Joined: December 02, 2003

Location: Virginia, United States

Posted: June 07, 2006 at 9:57 AM / IP Logged

basically the wife hates all the bass in the car and wants the ability to turn it off. I want to be able to use the two prong toggle switch (without a light) to power off to the amplifer. Since i have two amps the relay is needed.

djfearny2

Silver - Posts: 810

Joined: September 23, 2002

Location: United States

Posted: June 07, 2006 at 12:08 PM / IP Logged

ok do this.

pin 86 remote lead from radio

pin 85 to one side of small switch

pin 87 12 volt power does not have to be constant and does not have to go to battery. can be connected to the red or yellow wire from radio. fuse it

pin87a not used

pin 30 output to amp

ground second side of switch.

if you connect it like this it should work as long as switch is good.

Jon

Installer/Help Technician

---coral springs florida---

mecp certification is not always needed. I have it and it has not helped me out at all. my experience out shines it.

Thack79

Silver - Posts: 526

Joined: December 02, 2003

Location: Virginia, United States

Posted: June 07, 2006 at 1:47 PM / IP Logged

So i dont ground the relay? will keep ya posted. thanks jon

djfearny2

Silver - Posts: 810

Joined: September 23, 2002

Location: United States

Posted: June 07, 2006 at 1:56 PM / IP Logged

you are grounding the relay through the switch. the ground will be lifted when you shut the switch off cause the relay to release. and disconnet the power going to the amp.

Jon

Installer/Help Technician

---coral springs florida---

mecp certification is not always needed. I have it and it has not helped me out at all. my experience out shines it.

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relay to turn on/off amp

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