2003 dodge ram 2500 alarm/remote start

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tanker300

Member - Posts: 29

Joined: June 11, 2005

Location: United States

Posted: June 11, 2005 at 5:25 PM / IP Logged

Hi,

I have a 2003 Dodge Ram 2500 and I am installing the 5100rs from Scytek. I can get my lock to work and door triggers no problem, I can not get the unlock to work. Do I need 2 relays for unlock. I really do not understand double pulse. Can this be explained to me. How do I get the nlock to unlock on transmitter.

chungo

Copper - Posts: 135

Joined: December 31, 2003

Location: United States

Posted: June 11, 2005 at 6:13 PM / IP Logged

DODGE, RAM PICKUP, 2003, Power Lock

Lock requires a negative trigger thru a 820 ohm resistor. Unlock requires a negative trigger thru a 330 ohm resistor. MUST use relays.

Can also use Directed 457C or 456L interface modules.

tanker300

Member - Posts: 29

Joined: June 11, 2005

Location: United States

Posted: June 11, 2005 at 9:01 PM / IP Logged

I got that part no problem I have split my power door wire with 820 neg and 330 on unlock and I tested each wire by grounding relay and I would touch the wire on relay one by one to get the lock to work and unlock to work.

Now this is where I am overthinking, how do I configure both wires on each relay to work.

Scuba_04

Member - Posts: 19

Joined: June 12, 2005

Location: United States

Posted: June 12, 2005 at 1:10 AM / IP Logged

I agree with (chungo).

Steve

Music Mart

Installer

tanker300

Member - Posts: 29

Joined: June 11, 2005

Location: United States

Posted: June 12, 2005 at 1:32 AM / IP Logged

can I use a single pulse? Or should it be double

Scuba_04

Member - Posts: 19

Joined: June 12, 2005

Location: United States

Posted: June 12, 2005 at 11:04 AM / IP Logged

Single

Steve

Music Mart

Installer

KarTuneMan

Platinum - Posts: 7,056

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This member consistently provides reliable information

Joined: December 14, 2004

Location: Isle Of Man

Posted: June 12, 2005 at 11:09 AM / IP Logged

Does the truck have factery "door" security....if so, double pulse. The first pulse disarms your factory security... the second unlocks the doors, if no factory security, single pulse is all thats needed. Use 2 relays, one for lock, and one for unlock. You can put the resistor in line off of pin 30, or 87....matters NOT.

tanker300

Member - Posts: 29

Joined: June 11, 2005

Location: United States

Posted: June 12, 2005 at 1:16 PM / IP Logged

Thank you KarTuneMan,

I wired up the lock on one relay not a problem, it is my unlock I am having trouble with wire hook up, ca you show me a pic, it would help me. This truck does not have a factory alarm, for door locks.

auex

Platinum - Posts: 5,041

Joined: December 23, 2002

Location: Arizona, United States

Posted: June 12, 2005 at 2:22 PM / IP Logged

First, IT IS A SINGLE PULSE QUIT WITH THE DOUBLE PULSE CRAP. Second YOU NEED 2 RELAYS. Third wire them exactly like this, 85 -lock/unlock from alarm, 86 Constant 12V, 30 ground, 87 -output to car. Then put the appropriate resistors on the relay on the output to car.

2003 dodge ram 2500 alarm/remote start -- posted image.

I have literally done a 1000 of these and never once have I had to use a double pulse for unlock.

Certified Security Specialist

Always check info with a digital multimeter.

I promise to be good.

Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

tanker300

Member - Posts: 29

Joined: June 11, 2005

Location: United States

Posted: June 12, 2005 at 3:07 PM / IP Logged

Thanks auex,

I have always learned from pictures, that is just me.

I am not a security expert like you and I know it probable drives you nuts to repeat diagrams over and over but really, you have helped me a great deal and if you need advice on anything to do with reeftanks let me know, I am a long time reef forum expert and I will donate to this forum

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