[bowtiecharlie]

Well from what I can tell,The first 2 pic looks like an old vette catch can,aka overflow tank.The 3rd pic is a throttle kicker used when the pto is engaged or other device,this is a seperate knob in the cab for this, they were usally red.The black relay with red sticker is next to the throttle kicker on the inner fender and that cycled it on and off. And the last pic is for the two battery hook up! It looks to have a heavy duty alternator that can run a power inverter also!!! That's just my 2¢, good luck