12v or ground after key off?

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howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: December 19, 2014 at 1:10 AM / IP Logged

Yes sorry, thinking about load.

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: December 19, 2014 at 6:15 AM / IP Logged

The relay will pull no current when the vehicle is not running. We are using the normally closed contacts.

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2muchspl

Member - Posts: 12

Joined: January 10, 2006

Location: United States

Posted: December 19, 2014 at 7:36 AM / IP Logged

tonanzith wrote:

I guess I'm confused as to what you're looking for then. Ignition wires are a switched 12 V source also accessory wires. Honestly if it were me I would use an ignition wire. I would use the ignition wire as a trigger for a standard Bosch relay that rests at ground when the ignition is off. Pin 85 to ground. Pin 87a to ground. Pin 86 to ignition. And pin 30 will supply ground to your timer when the ignition is off. Or you can provide 12 volt to the timer by switching pin 87a to 12v constant instead. Pin 87 is not used.

Ok Ima give this a go today when I get off work and report back on success & key off draw. Thanx a million guys!

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12v or ground after key off?

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