hinges

For all you JL Wrangler owners out there, what year and color is your Wrangler? Are you seeing galvanic corrosion on the hinges and door/hood edges? I am looking to purchase a used JL Wrangler and hoping to identify which years and/or colors tend to have less galvanic corrosion problems. Is...

Is there a way to extend how far the rear doors open? I have a dog ramp I need to put in the side but the door does not open far enough for me to fit the ramp.