Transom corrosion / Electrolysis problem help
Posted: Tue Mar 14, 2017 9:24 pm
Hey guys I've got a problem I'm looking to get some advice on. I just can't get a straight answer from the dealer or manufacturer.
I own an 18' aluminum V hull boat. The boat is a 2007 model with a 90hp Yamaha engine on it. It has 3 batteries (2 connected to an onboard charger for a trolling motor) (1 for the engine and other electronics)
The transom is riveted and not fully welded. The splash well drains were rusted through to the point I can see the transom wood. There are 2 spots of corrosion in the transom that I could see straight through to the transom wood. I have since sealed these holes with JB Weld cause thats the only thing I could think of to do.
I'm not first owner so the manufacturer made it clear the warranty is void.
The dealer claims that it's chemicals in the transom wood causing a reaction with the aluminum.
The manufacturer claims that it's a grounding issue caused by faulty wiring by the dealer.
I put the negative lead of my volt meter on the battery. I put the positive lead on the transom and I get a very small amount of current. I don't see where any wires are connected to aluminum. How can I tell where the ground is at?
I really don't want this to progress. I can't see how this could be an issue in a 10 year old boat.
I own an 18' aluminum V hull boat. The boat is a 2007 model with a 90hp Yamaha engine on it. It has 3 batteries (2 connected to an onboard charger for a trolling motor) (1 for the engine and other electronics)
The transom is riveted and not fully welded. The splash well drains were rusted through to the point I can see the transom wood. There are 2 spots of corrosion in the transom that I could see straight through to the transom wood. I have since sealed these holes with JB Weld cause thats the only thing I could think of to do.
I'm not first owner so the manufacturer made it clear the warranty is void.
The dealer claims that it's chemicals in the transom wood causing a reaction with the aluminum.
The manufacturer claims that it's a grounding issue caused by faulty wiring by the dealer.
I put the negative lead of my volt meter on the battery. I put the positive lead on the transom and I get a very small amount of current. I don't see where any wires are connected to aluminum. How can I tell where the ground is at?
I really don't want this to progress. I can't see how this could be an issue in a 10 year old boat.