Thread: Simple Coolant Temperature Alarm DIY
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Old 07-20-2011, 09:55 AM
stewfish stewfish is offline
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Join Date: Jul 2011
Posts: 5
A back up beeper. But how to change the beep to sound a bit different. Resistor at the speaker mechanism?

http://www.amazon.com/Wolo-Model-BA-52-Back-Up-Alarm/dp/B00029XI2Q
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