instead of monting under the hood, run 10ga lead and ground into your cab and mount it inside the cab. Also put a 100amp inline self resetting fuse (can find them at RV parts stores for 10-20 bucks). Electronics is the easy and fun stuff, trial and error is the best way to learn.
'87 YJ/OME Suspension/31x10.50/1200wt PI/Onbaord Air/BCT Trunked Scanner/Congo Basket w/ Pull Out Awning - tons more yet to do.
"Thank you to all those that served and those that still are!"