Scion xB Forum - View Single Post - Door Lock Relay safety fuse install
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post #24 of Old 01-14-2012, 06:19 PM Thread Starter
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Re: Door Lock Relay safety fuse install

I think the Alarm ECU reacts to the voltage drop that happens when your interior lights come on before it is actually disarmed and thinks it's a break in. If you didn't have the added lights then the drop would be smaller than it can sense (removing one of the lights made the drop smaller than what ECU could see).

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