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R/S Relay voltage issue


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tampa77 
Copper - Posts: 65
Copper spacespace
Joined: October 09, 2003
Location: United States
Posted: July 24, 2004 at 2:58 PM / IP Logged  

I psted this in VIDB, but thought this may be a better place.

Installed the R/S and everything is fine, except I did not hook up domelight, door locks etc, because I planned on tapping inot the horn relay so when the vehicle is locked/locked it starts (My wife wanted the original key fob).

Issue:

Chyrsler seems to use a lower (-) for the horn ouput when you lock the vehicle, so the (-) activation of the unit will not respond, I tried a relay and still no luck. If I place to battery ground w/ and w/ out the relay it works. Any help appreaciated, I do not wish to rip apart the vehicle and hook up the rest of the features. I got about (-)386Mv on the meter form he relay using the key fob. I need to figure out how to beef up the (-) output.

kgerry 
Platinum - Posts: 3,455
Platinum spaceThis member consistently provides reliable informationspace
Joined: February 07, 2004
Location: Saskatchewan, Canada
Posted: July 24, 2004 at 4:06 PM / IP Logged  
sounds like you've got the relay hooked up incorrectly...shorting a wire directly to ground is exactly what the relay is doing.....or would/should be doing if properly installed
Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
tampa77 
Copper - Posts: 65
Copper spacespace
Joined: October 09, 2003
Location: United States
Posted: July 24, 2004 at 6:14 PM / IP Logged  

I have the relay wired as such:

87 - Ground

86 - (-) input from horn relay
85 - (+) Constant 12 Volts
30 - (-)  activation input for R/S
87(a) - Not used

If I take 86 and touch to chassis ground it does start the R/S, it seems that the (-) output from the horn relay will not power it. If I honk the horn twice it works, but the key fob lock/lock won't.  Looks like I need to come up with another plan...

draasch 
Gold - Posts: 2,172
Gold spacespace
Joined: February 07, 2003
Location: Florida, United States
Posted: July 24, 2004 at 10:10 PM / IP Logged  
i mighht be missing something here.....if you hook it up the horn, then if double taps the horn wont the car try to start????.....you should use the door lock pulse instead....
Good Luck
David
Ace Security
813-376-9778
Tampa
Donate to the 12volt

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