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first hornet 740t in 92 miata


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deputyjoel 
Member - Posts: 16
Member spacespace
Joined: January 01, 2009
Location: California, United States
Posted: January 01, 2009 at 11:14 PM / IP Logged  

Hi all, 

Brand new to the forum, but it looks like a great resource!  I bought a Hornet 740T for my old 1992 Mazda Miata.  I got this basic alarm since my Miata is all manual, with no power door locks and don't want anything fancy (or expensive).  I also got the DEI 508D motion sensor and alreadly learned how to hook it into the 740T by reading some posts on this site!  THANKS!  I've also found the wiring diagram for the 90-93 Miatas on the site as well.  I guess my reason for this post is to see if there is any further information or advice anyone may have for me.  It is my first alarm install, but I have a little knowledge of electronics and I've installed stuff like a cruse control on my Miata and it actually works!  I'm planning on keeping it real simple by using the door switch as the trigger and the ignion kill.  Other than that, I don't think I will be utilizing any other features.  Thanks in advance for any info and help!

tedmond 
Gold - Posts: 4,610
Gold spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: January 06, 2007
Location: Ontario, Canada
Posted: January 02, 2009 at 9:34 AM / IP Logged  
looking at the wiring, it looks straight forward. al the wires are at the kick panel bsides the door trigger. you will need to tap into the domelight (-) and grab the ignition wire at the steering collumn. other than that your good to go.
deputyjoel 
Member - Posts: 16
Member spacespace
Joined: January 01, 2009
Location: California, United States
Posted: January 02, 2009 at 1:55 PM / IP Logged  
Thanks for your response!  Hopefully, it won't be to difficult for a noob!  I believe the dome light to which you refer are the interior lights located in the dash since the Miata is a convertable.  Do I need to tap into these as well as the door switch in order to trigger the alarm?
t&t tech 
Platinum - Posts: 2,608
Platinum spacespace
Joined: October 05, 2008
Location: Trinidad and Tobago
Posted: January 02, 2009 at 1:58 PM / IP Logged  
either one should work fine, the signal at the instrument cluster or if ur going to the switches you may have to go to each switch, is ur car two or four door.
commit your way to jehovah and he will act in your behalf. psalms 37:5
deputyjoel 
Member - Posts: 16
Member spacespace
Joined: January 01, 2009
Location: California, United States
Posted: January 08, 2009 at 1:23 AM / IP Logged  
Thank you for your thoughts.  Sounds like it may be better to tap into the dome light since either door triggers them.  Great site and good advice!
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: January 08, 2009 at 5:35 PM / IP Logged  
Take either of these dashboard lights, use the lead that isn't 12V+ but goes to ground when you open a door, either will do. 2 things, hood and trunk switches are required, place the trunk switch in the lid, place the hood switch on an inner wing (fender) flat pice behind the headlights. DO NOT attempt to install central locking, it's a nightmare on that car.
deputyjoel 
Member - Posts: 16
Member spacespace
Joined: January 01, 2009
Location: California, United States
Posted: January 10, 2009 at 1:18 PM / IP Logged  
Thanks for the tips Howie!  I'm going to try and get this project started this weekend.

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