I removed my PCB (printed circuit board) today and replaced it with a new one. I was having trouble with the evaporator fan. So I thought this would be a good time to use the DC 4 on the connectors and contacts.

So far no problems, time will tell if it causes any problems.

I spoke to Russ White today and he recommended changing the connectors on the PCB and replacing them with a better grade of connectors. The connectors that are used on these boards are less than stellar. That will be my next project - as soon as I can locate some of the quality connectors.

I think that AC problems are the most feared break-down of all on a coach. That is why I wish I had OTR air!

There's nothing like a backup system - especially when it has 109,000 btu's of cooling power!