Will my factory power hookups handle this 447HPC2 or would a cigarette lighter plug work better. Shawn March 15, 2017 18:12 Either one will work, the SR-447HPC doesn't draw more than 10 amps. Related articles Can I power the 655 with a cigarette lighter adapter? Minimum power wire size? 8 or 10 ga? : Can you explain the proper operation of the ASQ option on the 447HPC2? If ASQ is active, does the squelch control need to be adjusted, and if not, at what signal level does it open? When I talk into the mic it makes all of the gauges on the dash go haywire. My SR-447HPC2 isn't showing the SWR when I transmit. Comments 0 comments Article is closed for comments.