Genral relay ?

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napier

Member - Posts: 5

Joined: February 26, 2006

Location: United States

Posted: February 26, 2006 at 8:08 PM / IP Logged

ok, This is kind of a stupid question ,but im not understanding. When using a spdt relay to switch ONE accesiory such as a light or fuel pump or what not. you run the power to the coil and the ground to the other side of it . Then the accesory to the n/o if its normally on right? What do u run to the normally closed and common terminals? Sorry for such a basic question .

sparkie

Platinum - Posts: 2,061

Joined: November 06, 2003

Location: Canada

Posted: February 26, 2006 at 8:48 PM / IP Logged

Terminal # 85 goes to ground and #86 to a switched source of 12 volt+. You can also use a switched source of ground to activate the relay and connect terminal # 86 to a constant 12 volt+ source. Terminal # 30 goes to a fused source of 12 volts + and terminal # 87 to the accessory you wish to power. Terminal #87a is not used to simply turn on/off a device.

sparky

napier

Member - Posts: 5

Joined: February 26, 2006

Location: United States

Posted: February 26, 2006 at 8:57 PM / IP Logged

ok, so does this sound right?

85 ground

86 switched 12v

30 to a constant fused 12v??

87 to accesory?

87a not used?

sparkie

Platinum - Posts: 2,061

Joined: November 06, 2003

Location: Canada

Posted: February 27, 2006 at 1:51 PM / IP Logged

Yup. Now you got it.

sparky

judge

Member - Posts: 1

Joined: April 19, 2006

Location: United States

Posted: April 19, 2006 at 8:33 PM / IP Logged

looking for the kill switch relay on a 95 gmc jimmy need help finding it

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Genral relay ?

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