negative output...positive trunk?

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bigt_45

Copper - Posts: 48

Joined: July 07, 2003

Location: United States

Posted: July 08, 2003 at 7:04 PM / IP Logged

i found out that my trunk needs a positive pulse to trigger it to open. my alarm sends a negative output pulse when u press the trunk button on the transmitter. is this why my transmitter wont open my trunk?

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profuse007

Gold - Posts: 2,015

Joined: October 20, 2002

Location: Texas, United States

Posted: July 08, 2003 at 7:12 PM / IP Logged

you need a relay to output the large amount of current to the trunk pop.

relay wire:

alarm(-) to 85

constant power to 86&30

the trunk 87

Houston,TX

"The two most common elements in the universe are H+ and stupidity" (Ellison).

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cool_greg

Copper - Posts: 125

Joined: February 20, 2003

Location: New Zealand

Posted: July 08, 2003 at 7:16 PM / IP Logged

Yes, use a relay to send a swictched postive to the trunk release

Wiring as follows

- output from alarm to pin 85 on relay

+ 12V fused to pin 86 and 30 on relay

+ 12V for trunk release to pin 87 on relay

just make sure that the fuse is big enough, most likley 10amp will do.

Just a Guy, Wiring up those Vehicals

---------------------------------

Gool_Greg

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Sebastian018

Silver - Posts: 364

This member has made a donation to the12volt.com. Click here for more info.

Joined: November 01, 2002

Location: United States

Posted: July 08, 2003 at 7:54 PM / IP Logged

negative output...positive trunk? - Last Post -- posted image.

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bigt_45

Copper - Posts: 48

Joined: July 07, 2003

Location: United States

Posted: July 08, 2003 at 9:44 PM / IP Logged

thanx guys, that worked perfectly!!!!!!!!!!!!

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Ixj159

Copper - Posts: 68

Joined: March 07, 2003

Location: United States

Posted: July 08, 2003 at 10:03 PM / IP Logged

why is it that everyone in the12volt.com forums feel they need to repeat easy answers 200 times?????

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cool_greg

Copper - Posts: 125

Joined: February 20, 2003

Location: New Zealand

Posted: July 09, 2003 at 6:39 PM / IP Logged

because you will notice that all 3 replys were within a very short time of each other and the 2 slower posters didn't see the 1st reply

Just a Guy, Wiring up those Vehicals

---------------------------------

Gool_Greg

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negative output...positive trunk?

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