I don't think I will be doing the momentary switch. Too much for the kids to play with and too far away from OEM for my liking.
The momentary helm switch simply circumvents the need for a "start-by-pass" circuit. Instead of the system doing this automatically, you would do it manually.
Also, the switch does not need to be at the helm.... it could just as easily be mounted elsewhere and out of reach of the kids.
It really boils down to relay or no relay. From what I am understanding, using a relay won't pose any safety issue, but it may offer a greater reliability factor.
Both of those are correct!
Again I say "may" because a pressure switch could fail just as easily as a relay I guess.
Again, the 5 pin relays can be either 30 amp or 40 amp capable. In other words, they are designed to take the load.
The current required to trigger the 5 pin relay (as in the current passing through the N/O Low Oil Pressure switch) is minimal.
I also don't think people will refuse to work on it because it has an added relay.
Absolutely correct.
If the use of a relay stumps a mechanic, you'd better find another mechanic who is savvy to this.
It'll be a completely different engine than the boat came with in 1992 anyway. Hopefully I'll be the only one working on it if I do my due diligence. I'm also not sure if insurance would deny a claim due to a relay, that many mechanics seem to endorse, was added.
Nope. A sealed 5 pin relay will certainly comply with USCG regs.
I think I have it narrowed down to where I am going to use the OEM fuel pump and bracket, a 30 or 40 amp relay with plug in harness along with dielectric grease
Smart move!
You won't regret it.