1. How to repair broken handbrake cables? 2. How to diagnose/repair cruise cont?

For the handbrake, as well as cruise control, knowledge of the ENTIRE systems components and function is needed. Handbrake-determine if it is a cable/lever failure , an adjustment or other component failure. Cruise control may be an electrical switch/fuse/PCM issue, or related to handbrake issue , IF red brake warning lamp on dash is lit. Technical information , for your specific vehicle, can be found , among other places, at 'alldatadiy.com' for a small fee.