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94 astro door locks, relays


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rudydapimp 
Copper - Posts: 390
Copper spacespace
Joined: February 27, 2006
Location: United States
Posted: May 25, 2006 at 2:45 PM / IP Logged  
Hey all, I am hooking up a remote start/keyless Hornet 570T and I need negatives for the door locks.  The door locks are positives.  I have a bunch of relays,  but they only have wires in 30, 85, 86,  and 87a.  don't have any way to get more right now.  can I use these, if so, how.  diagrams I have seen need the regular 87, not 87a
rudydapimp 
Copper - Posts: 390
Copper spacespace
Joined: February 27, 2006
Location: United States
Posted: May 25, 2006 at 2:47 PM / IP Logged  
and they have diodes across them, from 85 to 86, with stripe on 85 side
ZipPhReaK 
Copper - Posts: 57
Copper spacespace
Joined: March 18, 2002
Posted: May 25, 2006 at 3:01 PM / IP Logged  
Cut the diode out, and use an additional wire with a 1/4" female quick disconnect for the 87 terminal in the relay harness.
You'll need two relay's, one for lock and one for unlock.
85 + Input from keyless
86 Gnd
30 - Lock/Unlock Output to Doorlocks
87a Not connected
87 GND
rudydapimp 
Copper - Posts: 390
Copper spacespace
Joined: February 27, 2006
Location: United States
Posted: May 25, 2006 at 3:28 PM / IP Logged  
i thought that I needed a 12 input as well
ZipPhReaK 
Copper - Posts: 57
Copper spacespace
Joined: March 18, 2002
Posted: May 25, 2006 at 3:55 PM / IP Logged  
+ = 12v
- = gnd
85 + 12v Input from keyless
86 Gnd
30 - Lock/Unlock Output to Doorlocks
87a Not connected
87 GND
ZipPhReaK 
Copper - Posts: 57
Copper spacespace
Joined: March 18, 2002
Posted: May 25, 2006 at 3:57 PM / IP Logged  
85 + 12v lock/unlock Input from alarm/rs brain
86 Gnd
30 - Lock/Unlock Output to Doorlocks
87a Not connected
87 GND
When you press the lock/unlock button on the keyfob... Terminal 85 Energizes, and engages the coil which swipes the wiper contact 30 to contact momentarily to pin 87.. Giving you your - pulse door lock outputs...

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