single relay for amp rack?

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ghost183

Member - Posts: 4

Joined: November 30, 2004

Posted: November 14, 2009 at 4:28 PM / IP Logged

hey guys, need alittle help here, i need to wire a momentary ON-OFF=ON switch to a relay, but how do i wire the relay to alternate between polarities? or do i need 2 relays?

the amp rack motor has 2 wires coming out of it, window motor and transmission, wired normally, spins counter clockwise, and when you filp the +/- , the motor spins in opposite direction

so how do i wire a momentary switch for, switch held up = rack slides out, switch held down = rack pulls in..

thanks guys

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: November 14, 2009 at 4:50 PM / IP Logged

Use a 5 wire window switch from spal, MES etc.

i am an idiot

Platinum - Posts: 13,709

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 14, 2009 at 5:18 PM / IP Logged

I do not know how hard it is to find a spal power window switch. The following diagram is the same thing as their switch. The switch is a Double Pole Double Throw Momentary On-Off-On switch.

single relay for amp rack? -- posted image.

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: November 15, 2009 at 3:45 AM / IP Logged

Effectively the same Mr.I The spal switches are 5 terminals inline. Outers are motor wires, next in are the 2 grounds commoned of course to the outers at rest and the centre is your 12v+ feed.

i am an idiot

Platinum - Posts: 13,709

Joined: September 21, 2006

Location: Louisiana, United States

Posted: November 15, 2009 at 7:20 AM / IP Logged

Since you asked about relays, https://www.the12volt.com/installbay/forum_posts.asp~TID~117734~get~last#574028

To wire the switch, you will need a single Pole Double throw momentary switch. Ground the center leg. Connect one of the remaining terminals to the wire labeled to 3 wire switch for up. Connect the last terminal to the wire labeled to 3 wire switch for down.

If you have 2 free aux output channels on your alarm system, it will be very easy to have the rack move with your remote of your alarm.

ghost183

Member - Posts: 4

Joined: November 30, 2004

Posted: November 15, 2009 at 9:22 AM / IP Logged

thats awesome, thanks alot guys

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single relay for amp rack?

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