78buckshot,
Do you have a cel phone? You really shouldn't need a ciggy lighter in your project rig for this. If your garmin can run without being plugged in all the time, then just do it.

Also, aren't we familiar enough with our local street speed limits? Really need a Garmin to tell you? LOL

Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.