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2016 Ram Promaster City Cargo Van Locks


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ramon2001 
Member - Posts: 34
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Joined: August 30, 2006
Location: United States
Posted: April 13, 2021 at 12:59 PM / IP Logged Link to Post Post Reply Quote ramon2001
hello,
im installing avital car alarm to 2016 ram promaster city cargo van i can not get the door locks to work when switch is plugged in. it says to relay isolate the switch. i dont know how to do that. please can any one help me wire this thing.. cant find anything on line that explains it to me. thank you very much for your help. really appreciate it
ramon
kreg357 
Platinum - Posts: 7,487
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: New York, United States
Posted: April 13, 2021 at 6:42 PM / IP Logged Link to Post Post Reply Quote kreg357
Try this using a SPDT relay :
2016 Ram Promaster City Cargo Van Locks -- posted image.
Soldering is fun!
kreg357 
Platinum - Posts: 7,487
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 30, 2009
Location: New York, United States
Posted: April 13, 2021 at 7:09 PM / IP Logged Link to Post Post Reply Quote kreg357
Details... While you are cutting the vans Violet/Red Power Lock wire, the vans lock system will still operate normally because the signal will pass through Pins 87a to 30 of the added relay. These pins are N.C. ( normally closed ) while the relay is not energized. When the Avital outputs a (-) Lock signal it will energize the relays coil ( Pin 85 (-) and Pin 86 (+) ). Internally the relay switches the connection from Pin 30 -> Pin 87a to Pin 30 -> Pin 87. This does two things for you. It removes the power door lock switch from the circuit ( isolates it ) and applies a Chassis Ground through the required 1k Ohm resistor to Pin 30 which goes into the BCM and causes the power door locks to Lock.
Soldering is fun!
ramon2001 
Member - Posts: 34
Member spacespace
Joined: August 30, 2006
Location: United States
Posted: May 17, 2021 at 6:44 PM / IP Logged Link to Post Post Reply Quote ramon2001
worked awesome. thank you so much
ramon

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