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Author Topic: Killed some solenoids  (Read 1000 times)

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omegod

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Killed some solenoids
« on: 26 October 2013, 15:06:49 »
I scavenged 4 door solenoids from the scrappers and , in a moment of genius, decided to test them by touching the wires from part of the door loom to the terminals on the battery and got them all working, just tried testing them again with a full spare door loom plugged into my own car and not a sausage but operating them manually they lock and unlock the car! Have i fried them? if so how ? I don't understand this electrickity stuff.
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Shackeng

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Re: Killed some solenoids
« Reply #1 on: 26 October 2013, 19:57:38 »
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Kevin Wood

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Re: Killed some solenoids
« Reply #2 on: 26 October 2013, 21:55:51 »
There's a chance you might have fried the alarm/central locking ECU doing that, IMHO. :-\

The solenoids themselves have quite small motors in them. I wouldn't expect them to hold up to more than a quick pulse of 12V, possibly with some current limiting going on in the ECU. :-\
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Marks DTM Calib

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Re: Killed some solenoids
« Reply #3 on: 29 October 2013, 09:49:37 »
Unless you had applied 12V across one of the internal micro switch contacts
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omegod

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Re: Killed some solenoids
« Reply #4 on: 29 October 2013, 19:09:08 »
Tried them first with a piece of door loom touching the terminals on a battery-worked , plugged them into a full spare door loom then plugged this into the car at the a pillar and operated the locking and got nothing so guess the battery bit fried them ::) no harm done to my car :y
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