First, smack the "welder" in the head.
The metal is already half its strength from welding. Best you can do now is back-cut the inside along the weld and weld over the seam. It will take someone who knows fabrication of aluminum. You ain't going to beat that out. You need to thermally...
Should have had a backer in the boat, like a sacrificial chunk of wood to help control warping also, in addition to a heat putty, should have stitched it 1/2" at a time, jumped 12" rinse and repeat. 4" is too long on thin sheet metal. also, the fillets are for 1/4" plate, so there is way too...
the way I wired my boat. the key switch operates a set of electro-mechanical contactors that provide ignition power. the fuel pump relay, ignition relay, and gauge cluster run off that. the accessory terminal on the key switch operates a pair of 100 amp SSR's to power the house loads.
a 00...
The cable coming from your battery switch is the line. The other goes to the load. What brand of circuit breaker did you buy?
The carlings and sea choice have "In" and "load" cast into the housing in really small letters
The forums have stickies that have most of the answers
the hull restoration forum sticky that will help the most https://forums.iboats.com/threads/how-tos-and-other-great-information.283508/
start by reading link 14 in its entirety, then go on to 15, 18, 2, 3, 4a, and 4b
regarding the...