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i screwed up, please help


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timmi 
Member - Posts: 18
Member spacespace
Joined: December 21, 2002
Location: United States
Posted: December 22, 2002 at 7:50 AM / IP Logged  

ok, while installing a rs, i screwed up a 1993 mercury villager

i hooked up the wrong wires on the door unlock circuit, sparks flew, and now door locks dont work. pushing the door lock controls (both lock and unlock) does activate the door lock relay, but the actuators do nothing. any ideas?

 i have not looked into this very closely yet, need to get a wire schematic for the vehicle first.  thought maybe you guys would have an idea,

thanks

naughtydog 
Copper - Posts: 90
Copper spacespace
Joined: May 02, 2002
Location: United Kingdom
Posted: December 22, 2002 at 3:39 PM / IP Logged  
Sounds like you've fried the door motors to me
timmi 
Member - Posts: 18
Member spacespace
Joined: December 21, 2002
Location: United States
Posted: December 22, 2002 at 4:57 PM / IP Logged  

ok heres what i did

i found a wire in the drivers kick panel that had no voltage on it at rest, and it would have a positive 12 volts on it while you hold down the "door unlock" button (and the "lock" button had no effect on the wire). so to test this, i locked the doors, then applied 12 volts to this wire to see if it would unlock the doors. it did indeed unlock the doors, but it also shorted out because sparks flew and it got hot. now the doors dont lock or unlock.  now, when you hold down the "unlock button" there is no voltage accross this wire, BUT when you hold down the "door lock" button, there is 12 volts across it!   weird?   did i fry the motors (in all the doors???)?  or did i damage a relay? what do you guys think?

auex 
Platinum - Posts: 5,041
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: December 23, 2002 at 8:15 PM / IP Logged  

What wire color was it that you applied power to?  Did you use a fused source of power when you tested it?  Did the doors unlock right away or was it a second after you applied power the the wire?  If it was a second after you applied power then you prob blew the relay.  I pretty sure you applied power to the unlock motor wire when you did this you blew the path inside one of the relays for the locks.  If you aren't familiar with five wire locking systems this means that if one wire gets cut ( or in your case with the relay burnt ) there is no path for the power to go when you use the switch. This would also explain why your wire is testing positive when you use the lock button.  You should also check all of your fuses.  The locking system should be a negative trigger.  The wires are green and white for lock and green and orange for unlock. 

Certified Security Specialist
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timmi 
Member - Posts: 18
Member spacespace
Joined: December 21, 2002
Location: United States
Posted: December 23, 2002 at 11:16 PM / IP Logged  

thank you soo much!

in the back of my mind i was thinking "you should probably put a fuse on there first" but of course i didnt.  the wire was for the unlock switch, and yes it was GREEN/ orange. and yes if i can remember correctly, it did take a second for the locks to unlock. all fuses are good. this was my first attempt at autostart with power door locks, and is prooving to be a learning experience. i will next check voltage at the door locks themselves just to verify they are not recieving power and are not blown. again, thank you soo much... i will be back with more info,

MERRY CHRISTMAS!!!

timmi 
Member - Posts: 18
Member spacespace
Joined: December 21, 2002
Location: United States
Posted: January 30, 2003 at 2:11 AM / IP Logged  

ok it seems i get very lucky..

i finally found some time and pulled out the relay/power lock control box (black box, 10 pin connector) and i took that apart.. found a burned out diode and a burned up piece of the circuit board...  a new diode, some solder and 15 minutes later and i am back in business! door locks work fine now, however, i still havent hooked that part up to the remote starter yet...   i will get back to you guys for help on that later,  thanks again,

also, check out my website....   if you are into stereos or huge amounts of bass, you will enjoy (6 15's and seventeen thousand watts rms)  http://www.sounddomain.com/id/timmi

Smooth04 
Member - Posts: 4
Member spacespace
Joined: January 31, 2003
Location: United States
Posted: January 31, 2003 at 2:51 PM / IP Logged  
One tip.....  when installing alarms or anything of that sort use a computer/airbag safe tester.  That way you probe the wire you are going to test, then hit the switch or activate what you are trying to locate, and the tester tells you positive or negative.   I use a Blue-Point CTS24 for all my security installations, that and a multi-meter.   One last tip remember when checking wire connections you want tou use a PASSIVE (monitoring voltage) approach, not an ACTIVE (applying volatge) approach.  That way you won't have to worry about frying components, or killing yourself by activating an airbag.

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