viper 550 esp, 1996 bmw z3

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dexinefx

Member - Posts: 32

Joined: May 31, 2002

Location: United States

Posted: December 07, 2006 at 11:38 AM / IP Logged

hi guys, i'm trying to install a viper 550 esp in bmw z3 1996 but have a few questions...... do relays need to used to have the power door locks work??? it has factory door locks... it'll loc and unlock using key in drivers door...i've always thought cars w/ built in power doors didn't need relays just those with aftermarket actuators....any help would be great...thanks...not using the remote start portion of the 550 just the alarm...thanks..

dexinefx

Member - Posts: 32

Joined: May 31, 2002

Location: United States

Posted: December 13, 2006 at 3:40 AM / IP Logged

just installed a viper 550 into 96 bmw z3...hooked up door lock/unlock straight to wires in plug since viper supports positive locking..problem is the drivers door won't lock/unlock all the time...passenger and trunk work fine just the drivers not working right...any help would be much appreciated...do i need to do relays or use diodes for the double lock???thanks.

KarTuneMan

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Joined: December 14, 2004

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Posted: December 13, 2006 at 9:08 AM / IP Logged

Did you not use relays.....Does the Viper have built in lock relays...I don't believe it does. And I thought the output was NEG(-).....?

dexinefx

Member - Posts: 32

Joined: May 31, 2002

Location: United States

Posted: December 14, 2006 at 2:15 AM / IP Logged

550 esp says it does the positive door locking so i didn't use relays...any professionals out there to help a noob out...

gearbo

Member - Posts: 4

Joined: December 01, 2003

Location: United States

Posted: December 14, 2006 at 2:38 AM / IP Logged

dexinefx wrote:

Have you tried using the double pulse for lock/unlock? I had the same issue with another brand where doors wouldn't always unlock. Double pulse fixed the problem.

maxcrx

Member - Posts: 7

Joined: April 25, 2005

Location: United States

Posted: December 14, 2006 at 1:34 PM / IP Logged

how do you hook up a double pulse...thanks...also would the double pulse only need to be for the lock since the unlock portion has no problems...thank.s

gearbo

Member - Posts: 4

Joined: December 01, 2003

Location: United States

Posted: December 14, 2006 at 2:37 PM / IP Logged

On the Viper 550 ESP you need to use the Learn Routine and work in the second menu.

http://www.directechs.com/guides/manuals/ig/viper/N553V.pdf

maxcrx

Member - Posts: 7

Joined: April 25, 2005

Location: United States

Posted: December 14, 2006 at 4:33 PM / IP Logged

do i need to set the pulse from .8 sec to the 3. sec. only or do i have to change the unlock from 1 pulse to 2 pulse thanks.

gearbo

Member - Posts: 4

Joined: December 01, 2003

Location: United States

Posted: December 14, 2006 at 5:42 PM / IP Logged

Only need double pulse on the unlock (if single doesn't always work).

If you're having trouble with the lock, I'd try the 3.5 second pulse for the lock. If that doesn't fix the lock issue, start checking grounds, wire connections, etc.

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viper 550 esp, 1996 bmw z3

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