![Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/91wG7v0ow8L._UX250_.jpg)
Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories
![Will the retro-fit kit work with my current configuration (picture included) - Ring Alarm - Ring Community Will the retro-fit kit work with my current configuration (picture included) - Ring Alarm - Ring Community](https://dbcor68boruxq.cloudfront.net/original/2X/3/387acf45a0ad4bac50d8873c678ab2ee5a5e6906.jpeg)
Will the retro-fit kit work with my current configuration (picture included) - Ring Alarm - Ring Community
![Trying to add retrofit kit to existing alarm. What to do with these resistors? Was told NOT to remove resistors by a certified engineer for industrial control panels. Removing could fry everything? : Trying to add retrofit kit to existing alarm. What to do with these resistors? Was told NOT to remove resistors by a certified engineer for industrial control panels. Removing could fry everything? :](https://preview.redd.it/d683q0sjysm61.jpg?width=3024&format=pjpg&auto=webp&s=571c9d2358c85c54594ca12fbdfd6fcb32f5ea8c)
Trying to add retrofit kit to existing alarm. What to do with these resistors? Was told NOT to remove resistors by a certified engineer for industrial control panels. Removing could fry everything? :
![capacitor - Modify Ring Contact Sensor in a series of wired security reed switches - Electrical Engineering Stack Exchange capacitor - Modify Ring Contact Sensor in a series of wired security reed switches - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/u66b9.jpg)
capacitor - Modify Ring Contact Sensor in a series of wired security reed switches - Electrical Engineering Stack Exchange
![Rigged Ring Alarm contact sensors with my old recessed wired door sensors - no soldering required. Took me forever to figure out where to get the wires to work so I thought Rigged Ring Alarm contact sensors with my old recessed wired door sensors - no soldering required. Took me forever to figure out where to get the wires to work so I thought](https://i.redd.it/22haemxemyr31.jpg)
Rigged Ring Alarm contact sensors with my old recessed wired door sensors - no soldering required. Took me forever to figure out where to get the wires to work so I thought
![Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/G/01/kindle/journeys/YmZkMzAxMzgt/YmZkMzAxMzgt-YWJjZjJjMzAt._CB669124060_.jpg)
Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories
![Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/41BNAQquxAL._SY350_.jpg)
Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories
![Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories Amazon.com: Ring Retrofit Alarm Kit - existing wired security system and Ring Alarm required, professional installation recommended : Amazon Devices & Accessories](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/31j6ElACLmL._SY580_.jpg)