Hello,
I have an alarm that the factory put in when I bought this in 93. For the last 8 years or so, I had it in valet mode. Last night, the alarm went absolutely nuts. Without being set, it started going off (which led me to think that the car battery went dead and the alarm was resetting.) Either way, the end result is that the truck won't start...won't even turn over(kill switch??). The headlights are the only thing with power. Tried disconnecting the battery to reset and put in valet mode, however it will not go into valet mode. Basically, I went to just disconnect the alarm. I am mechanically inclined (although in engines, not electrical) so I could probably figure it out with a little guidance. I am not sure what type of alarm it is. I believe I found the brain behind the left kick panel. The brain box has no name on it nut the keypad says MEDUSA. Can you help me please?
Thanks,
Bill
CAR ALARM ISSUES
It
can be any of the car doors not got properly locked or the door is locked but
the switch is not sensing the door locked. Open and close each door again
properly.
Or
else its problem with any of switch wiring getting in contact
with alarm wiring causing it to happen.
And
last thing alarm connections need to be inspected. It's getting short somewhere
in between.
There
are few help links with solutions, to troubleshoot these types of problems.
I suggest going through these links.
Click
the link below: ------
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http://technoanswers.blogspot.in/2012/07/alarm-keeps-going-off.html
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http://whatisbyme.blogspot.in/2012/04/2009-toyota-camry-hood-switch-causing.html
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http://technoanswers.blogspot.com/2012/01/ford-pickup-alarm-will-not-disengage.html
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http://www.howtorepairguide.com/2012/11/mitsubishi-diamante-factory-security.html
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http://repairhelpcenter.blogspot.com/2012/01/toyota-avalon-factory-alarm-will-go-off.html
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http://schematicsdiagram.blogspot.com/2011/12/chevrolet-tahoe-hood-open-warning-on.html
-----------
These
details will help.
Thanks.
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Usually answered in minutes!
In hindsight, that is correct...the dealer put it in. Either way, I removed it yesterday. It wasn't as hard as I thought. However, that wasn't the problem. Turns out that the main 80amp fuse blew. I replaced that and the truck will now turn over but will not start. I am going to check for spark and fuel here in a little bit. I am wondering if something else got fried with that many amps going through the system...
That was it.....thank you.
Sorry, 15 amp EFI FUSE. Not relay.
Look to see if your 15 amp EFI relay is blown.
The MEDUSA is not a factory system. It was installed by the dealer. I would recommend that you elimate it completely.
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