compustar 2 way alarm/starter
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=101781
Printed Date: May 20, 2024 at 3:59 PM
Topic: compustar 2 way alarm/starter
Posted By: twin_turbo
Subject: compustar 2 way alarm/starter
Date Posted: February 01, 2008 at 6:16 PM
hi guys, i am installing a compustar 2 way alarm/starter on a 96 Jetta. I was wondering what type of relays i should use. I need to change the polarity output from the alarm/starter and also i need to add a starter kill relay. Thank you.
Replies:
Posted By: twin_turbo
Date Posted: February 01, 2008 at 6:24 PM
Hi guys, i was wondering if im able to cut off the relay for connecter 1 pin 3 and 7. Or does it need to be used? Im not sure what the outputs of each wire are for the relay. If anyone knows where i can find the info for the relay wiring it'll be appreciated. I wanted to use a different tpye of wiring in the relay to convert some polarities and hook up the starter kill. Thanks
Posted By: StealthEs
Date Posted: February 01, 2008 at 7:08 PM
you can but you need them, 1 is for the start kill/anti grind, the other will do 2nd start, 2nd ignition, 2nd acc depending what you hook up to it. Just go out and buy some relays.
Compustar.com, go to dealer support and you can see the install manuals.
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Cris
Posted By: twin_turbo
Date Posted: February 01, 2008 at 7:27 PM
oh ok so i dont need to use pin 3 for the 2nd start ...etc, should i just use the starter kill/anti grind
Posted By: StealthEs
Date Posted: February 01, 2008 at 7:35 PM
I would, its already prewired for you. I believe out of the box its just anti grind you have to set it to option 2 for it to do both.
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Cris
Posted By: StealthEs
Date Posted: February 01, 2008 at 7:36 PM
pin 3 is just 12volts to the relay, it wont do anything until you connect to 2nd starter/2ng acc or 2nd acc....
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Cris
Posted By: tedmond
Date Posted: February 01, 2008 at 7:59 PM
you will use any automotive relay. usually people buy bosch but any standard automotive relay will do. it will be 12v 30/40 amp relay. when converting polarity, you can use a SPST, but starter kill requires SPDT. using SPDT in place with a SPST is the same.
Posted By: twin_turbo
Date Posted: February 01, 2008 at 8:53 PM
Im kinda new at relays, so should i just get SPDT relays? If i just purchase all SPDT relays would it work for changing polarity? Thank you.
Posted By: audioman2007
Date Posted: February 01, 2008 at 9:11 PM
Yes. The only difference between the 2 is that a SPDT has 5 pins, a SPST has 4. If the application you need does not require pin 87a (center pin) to be used (like when converty polarity), you can just use a SPST relay. If you are using a relay for starter kill, then youll need a SPDT relay since all 5 pins will be needed. I personal only use a SPDT relay when I need it. There is no reason to use it if you dont need pin 87a. Plus SPDT are more expensive than SPST. Get some of both that way you have them handy when you need them.
Posted By: twin_turbo
Date Posted: February 01, 2008 at 9:13 PM
ok guys i had another question, my 96 jetta has (+) door lock/unlock trigger also same as arm/disarm, and the compustar has both (+, and -) lock/unlock trigger. But the compustars arm/disarm are both (-) 250mA triggers. Should i be using a diode for the arm/disarm wire? Or can i just hook up the lock with the arm, and unlock with the disarm wires together using a relay? thank you.
Posted By: twin_turbo
Date Posted: February 01, 2008 at 9:20 PM
oh ok now i get it. So i would need to use SPDT for the VW Dual parking light isolation
Posted By: twin_turbo
Date Posted: February 02, 2008 at 11:21 AM
hi guys im kinda new at vehicle wiring, i was wondering if the (-) trigger/output from a remote alarm/starter unit is the same thing as ground? Thank you.
Posted By: twin_turbo
Date Posted: February 02, 2008 at 10:23 PM
hey does anyone know if i should put a diode for the lock, unlock, arm and disarm wires? they are all (-) output and im using a relay because my door locks are (+).
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