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1994 Accord - Do I need relays for locks?


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Trimble Epic 
Member - Posts: 20
Member spacespace
Joined: March 03, 2004
Location: United States
Posted: March 08, 2004 at 3:25 PM / IP Logged  

I have a 1994 Honda Accord EX sedan.

I found a wiring diagram for the power door locks, and it seems to show that the lock switches all feed into a control unit in the driver's door.  It looks like the switches provide a (-) input to BLK/WHT wires on lock, and (-) input to ORG wire on unlock.  Additionally, it looks like there may even be a plug intended for honda's optional anti-theft system to connect to the control unit.

My alarm system is a DEI that provides alternating -/+ to green and blue wires.  It's only supposed to drive relays, not the actuators.  I wasn't sure about how it was designed, so I ordered relays and sockets and built a controller, but now I'm thinking I don't even need it.

Could someone with experience let me know if I really need the relays, or if I can tap directly into the switch wires or anti-theft leads?  Are those leads low current enough?

profuse007 
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Joined: October 20, 2002
Location: Texas, United States
Posted: March 08, 2004 at 3:46 PM / IP Logged  
no need for relay
Houston,TX
"The two most common elements in the universe are H+ and stupidity" (Ellison).
derek123 
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Joined: October 09, 2003
Location: Canada
Posted: March 08, 2004 at 3:46 PM / IP Logged  

You shouldnt need relays.

those wires you are going to tap on to, are the OEM relay triggers.

Trimble Epic 
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Joined: March 03, 2004
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Posted: March 08, 2004 at 5:59 PM / IP Logged  

Thanks!  Now, I just have to physically FIND them.

Velocity Motors 
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Posted: March 08, 2004 at 11:50 PM / IP Logged  
Wires located at a gray connector above fusebox in blue tape
Jeff
Velocity Custom Home Theater
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Morden, Manitoba CANADA
Trimble Epic 
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Posted: March 09, 2004 at 8:21 AM / IP Logged  
Thanks!  Now, if you could tell me where to physically find the door trigger master wire for my car, I'll be done.  According to the wiring diagram, the car already has a bank of diodes set up and a lead for the optional alarm system...  Would that also be found near the fusebox?
Velocity Motors 
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Posted: March 09, 2004 at 8:34 AM / IP Logged  
Look at my last post. This is where the wires are located.1994 Accord - Do I need relays for locks? -- posted image.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Trimble Epic 
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Member spacespace
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Posted: March 09, 2004 at 10:16 AM / IP Logged  

sorry - not the power lock triggers, you did tell me that (thank you Jeff) - I meant the door pin switches that trigger the dome light.  All four door pin switches pass through a set of diodes, and then there is a lead that goes off to the optional anti-theft system...  When installing my alarm last weekend, I couldn't find that wire.  It's supposed to be a BLK./WHT wire, although I suspect it will have silver dots on it also(according to the diagrams on this site)

1994 Accord - Do I need relays for locks? -- posted image.

Velocity Motors 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
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Posted: March 09, 2004 at 12:13 PM / IP Logged  
There should be a gray plug to the right of the steering column that will have this BLACK/ WHITE wire that you are looking for.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Trimble Epic 
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Member spacespace
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Posted: March 09, 2004 at 2:23 PM / IP Logged  
Thank you!

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