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  #1  
Old 05-27-2014, 12:01 PM
1stwave 1stwave is offline
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Join Date: May 2014
Boat: 1996 Prostar 190
Location: southeast
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Crossed battery wires

Ok- I was in hurry and had a boat loaded with family ready to go skiing. I connected the battery and crossed the wires- plus to minus etc.. Needless to say, we didn't go boating- boneheaded!

1996 Prostar 190, nothing smoked and all of my gauges work. The engine turns over but I'm not getting ignition. I've checked the fuses at the top of the engine- all good. Battery wires functioning. Where could the problem be? I recall hearing about his before- a fried resistor in the distributor? Any help would greatly be appreciated!

SM
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Old 06-02-2014, 03:39 PM
catamount catamount is offline
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I won't be much help here, but does your boat have an ECM? Those can be highly sensitive to electrical spikes.
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  #3  
Old 06-02-2014, 03:41 PM
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thatsmrmastercraft thatsmrmastercraft is online now
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I think there is a 50 or 60 amp re-settable breaker on the back of the engine.
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Old 06-05-2014, 12:25 PM
1stwave 1stwave is offline
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Boat: 1996 Prostar 190
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Thanks. Yes- It has an ECM. I've had a mechanic look at it and he said it was the ECM. Supposedly, there are some diodes in the ECM that were damaged. I'm told that I will need a new ECM programmed by someone in California.
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  #5  
Old 06-05-2014, 12:43 PM
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mikeg205 mikeg205 is offline
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Boat: 1995 Pro Star 205 5.7 Liter
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Those are a hard to find. Worthing Skier here in the UK has a number of them.

Indmar will also reflash for $45 dollars.

I found on on Ebay sent it to Indmar to test and reflash -100% working condition.

Also you have an MEFI-1 but you can also use an MEFI-2 with a little modification in the wire harness.
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Old 06-11-2014, 03:40 PM
turbozinke turbozinke is offline
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Boat: 2006 Mastercraft X1
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I don't have the same boat but my ECM did go bad all the sudden. I don't think I put the battery wire on wrong, it just stopped. I had MEFIBURN.COM flash my new ECM that I got from Crate Engine Depot. MEFIBURN.COM charged me $200 though, so maybe sending it to indmar for $45 is the way to go

http://www.mastercraft.com/teamtalk/...ad.php?t=61024
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Old 06-11-2014, 05:35 PM
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mikeg205 mikeg205 is offline
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which mefi did you get from crate engine depot?
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Old 06-12-2014, 08:03 AM
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The ECM does have some protection against reverse polarity but the ignition module in the distributor does not. The first things to go in a reverse polarity situation are the ignition module in the distributor and the alternator. I would make sure those are checked before replacing the ECM.
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