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Dome light != door trigger


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Toru 
Copper - Posts: 102
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Joined: January 24, 2004
Posted: February 29, 2004 at 1:12 PM / IP Logged  
I have the domelight supervision output on my RKE connected to the door trigger wire on my 1999 Mazda Protege (through a relay of course).
This seems like a pretty standard way of doing things and it does work by virtue of making the car think that one or more doors is open. What I don't like are the side effects of this. Specifically when I unlock the doors, get in the car, close the doors and put the key in the ignition it beeps until I turn the ignition on (and the RKE turns off the domelight output, i.e. "closes the door").
I would rather just turn on the dome light directly. None of the wiring diagrams list colors or locations for the domelight itself. Does anyone have data on this before I start tracing?
draasch 
Gold - Posts: 2,172
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Joined: February 07, 2003
Location: Florida, United States
Posted: February 29, 2004 at 9:27 PM / IP Logged  
if i am following you, the beeping that you are hearing is because the key is in the ign. or because the dome light sup feature works when the parking lights are on. the car cant tell why they are on just that they are. its called a dummy chime so people dont forget to turn off the lights and kill the battery
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auex 
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Location: Arizona, United States
Posted: February 29, 2004 at 11:56 PM / IP Logged  
Be careful of how you tie into these types of circuits. It is always better to activate dome light supervision through a door trigger. If you hook into the wrong wire, or even the correct wire for the circuit, you run the risk of blowing a module. I have replace plenty of toyota fuse boxes from people trying to tie domelight supervision into the wire going to the light.
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Toru 
Copper - Posts: 102
Copper spacespace
Joined: January 24, 2004
Posted: March 01, 2004 at 12:36 AM / IP Logged  

draasch wrote:
if i am following you, the beeping that you are hearing is because the key is in the ign. or because the dome light sup feature works when the parking lights are on. the car cant tell why they are on just that they are. its called a dummy chime so people dont forget to turn off the lights and kill the battery

It is because the key is in the ignition.  The car thinks that I have the keys in and the door open, so I might be about to lock my keys inside.  As for the parking lights, yes when they flash on unlock the car beeps for the same reason - it thinks the door is open and I am going to leave the lights on.  That one is not much of an issue, since I am not in the car when it happens.

Toru 
Copper - Posts: 102
Copper spacespace
Joined: January 24, 2004
Posted: March 01, 2004 at 12:39 AM / IP Logged  

auex wrote:
Be careful of how you tie into these types of circuits. It is always better to activate dome light supervision through a door trigger. If you hook into the wrong wire, or even the correct wire for the circuit, you run the risk of blowing a module. I have replace plenty of toyota fuse boxes from people trying to tie domelight supervision into the wire going to the light.

But have you ever done it yourself?  I gather that if I ring out the domelight I can figure out of it is positive or negative switched, and then just 5-wire the feed.  Is this the type of config that people are blowing fuses on?


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