Re: Testing wires
Not going to run a bunch of grounds. There are existing wires.
Wish I could send you the schematic I drew up.
I have ONE black wire at the panel, and it worked before as mentioned. It may be tied into the engine ground, a nono as you said, but I suppose it worked for 30 years.
That said, a black comes from the bow light along with the gray, the gray enters the harness, the black stays in the cabled sheathing and probably splices into the black leading into the panel from the harness.
The horn has 2 wires, red and black hanging freely, the red for the switch and the black to the BUS NEG
No wires from these 2 items go to the back of the boat.
At this point, the main black under sheath must run to the rear, and joins with the bilge/anc/tank grounds, and the guess is to the engine black somewhere under sheath.
I will PM you with my email. If you email me, I will send you what I think is going on.
I understand all that you are saying.
Not going to run a bunch of grounds. There are existing wires.
Wish I could send you the schematic I drew up.
I have ONE black wire at the panel, and it worked before as mentioned. It may be tied into the engine ground, a nono as you said, but I suppose it worked for 30 years.
That said, a black comes from the bow light along with the gray, the gray enters the harness, the black stays in the cabled sheathing and probably splices into the black leading into the panel from the harness.
The horn has 2 wires, red and black hanging freely, the red for the switch and the black to the BUS NEG
No wires from these 2 items go to the back of the boat.
At this point, the main black under sheath must run to the rear, and joins with the bilge/anc/tank grounds, and the guess is to the engine black somewhere under sheath.
I will PM you with my email. If you email me, I will send you what I think is going on.
I understand all that you are saying.