inline fuse on siren blows when activated
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=90241
Printed Date: August 29, 2025 at 8:39 AM
Topic: inline fuse on siren blows when activated
Posted By: killerq
Subject: inline fuse on siren blows when activated
Date Posted: February 08, 2007 at 10:14 PM
Hey all,
I have a 98 Buick century with the following siren installed:
https://www.fedsig.com/products/docs/install/255270B.pdf
all of the circuits, diagrams, and schematics are in that pdf.
Now, as you'll see, the 10A inline fuse attached to the IGN wire always blows after i try the siren. There will be 1 second of audio, then it blows... I can't figure it out. I don't see any other fuses blown or anything. It has worked fine for years...
is this a symptom of anything in particular?
Thanks,
Matt!
Replies:
Posted By: captainzab
Date Posted: February 08, 2007 at 10:58 PM
My guess is that your siren output (which is positive) is being grounded at sump point.
Check your wire to see if it is not exposed to ground anywhere.
There must be something real wrong for a 10amp fuse to pop.
Usually, a siren only needs less than 1 amp to work.
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