Ignition problem, stumped! - Page 2 - SailNet Community
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post #11 of 13 Old 07-23-2013
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Re: Ignition problem, stumped!

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Originally Posted by postwarcomet27 View Post
Where would the the ignition panel fuse be located in the engine compartment? Closer to the batteries, or closer to the panel? I left the boat for the day, so I can't look behind the panel and follow the wires. I will check it tomorrow to see if it's blown. Do the keys have to be turned "on" to have power to the blowers? I have a seperate pull knob switch for the blowers. It seems like this fuse could be the problem. Ammeter is working on the panel, so I know it's getting juice. Just could be sending that charge nowhere if the fuse is blown I guess.

Thanks everyone.
since it is a gas engine, you may start with the blower switch, you may have to have that switch ON, as an interlock to get ignition to come in. IF there is no blower activation, then NO ignition. Most gas engine boats I have worked on or used did not require the switch to be on, as that could cause problems in the presence of gas fumes/vapors. You want to run the blowers a few minutes PRIOR to an attempt to start the engine. IE, the blowers are powered at all times, just pull the switch, no key required.

What was your start sequence, begin to end, when there was only the charger providing power?

Fused links are usually fairly close to the battery, but are not easily identified, certainly a smaller gauge, perhaps what looks like a fat #10 or #12 wire.... A trouble light or a good voltmeter is going to be required to indicate whether power is present.
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post #12 of 13 Old 07-23-2013
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Re: Ignition problem, stumped!

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Where would the the ignition panel fuse be located in the engine compartment?
It's my recollection that it came off the positive terminal on the starter and it was a little inline fuse. When I troubleshoot stuff like this, I use a jumper wire with alligator clips quite a bit to bypass wiring harnesses to help isolate the problem. Catalina had pretty good owner association websites, at least they did for the 34. They may have one for the 27 as well and if it's a common problem, you'll find a fix for it there.

International Catalina 27/270 Association

Ray
S.V. Nikko
1983 Fraser 41
La Conner, WA


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post #13 of 13 Old 07-24-2013 Thread Starter
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Ignition problem, stumped!

Got the engine cranking today. Blown 20amp inline fuse. Replaced it and engine turns over. But for some reason the blowers still aren't working properly. They did turn on, but when I went to turn them on again nothing happened. Could be the blower pull switch, it is old. Wires and connections looked good though.
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