james.wilson Posted November 28, 2025 Share Posted November 28, 2025 you should only need red and black connected as per that drawing. The strobe is something else securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/47215-activating-hkc-sounder-on-bench/page/2/#findComment-531331 Share on other sites More sharing options...
Dave DIY Posted November 28, 2025 Share Posted November 28, 2025 Thanks James. Connected per your recommendation and nothing happening. Closing the tamper switch has no effect. Battery is connected and at 6.34 V. Any thoughts? Open IMG_4996.pdf Link to comment https://www.thesecurityinstaller.co.uk/community/topic/47215-activating-hkc-sounder-on-bench/page/2/#findComment-531333 Share on other sites More sharing options...
al-yeti Posted November 28, 2025 Share Posted November 28, 2025 2 hours ago, Dave DIY said: Thanks James. Connected per your recommendation and nothing happening. Closing the tamper switch has no effect. Battery is connected and at 6.34 V. Any thoughts? Open IMG_4996.pdf 811.7 kB · 0 downloads Tamper connection? Link to comment https://www.thesecurityinstaller.co.uk/community/topic/47215-activating-hkc-sounder-on-bench/page/2/#findComment-531336 Share on other sites More sharing options...
james.wilson Posted November 29, 2025 Share Posted November 29, 2025 So 12v connected to Bell + and hold off? securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment https://www.thesecurityinstaller.co.uk/community/topic/47215-activating-hkc-sounder-on-bench/page/2/#findComment-531344 Share on other sites More sharing options...
Dave DIY Posted December 3, 2025 Share Posted December 3, 2025 Here’s the solution. Make sure the battery is disconnected. Disconnect the tamper switch and bridge it out. LEDs alternating back and forth. Screenshot 2025-12-03 at 16.31.33.pdf Link to comment https://www.thesecurityinstaller.co.uk/community/topic/47215-activating-hkc-sounder-on-bench/page/2/#findComment-531363 Share on other sites More sharing options...
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