I have a carborated 90 4 stroke that was running great and all of a sudden spuddered a little and died with a burning smell from the cowling. I have no power now from the key switch or trim and tilt on the motor itself yet I have good 12v from the battery. I did find a 30amp mini fuse on the starter side of the motor blown. When I went to replace it, it blew right away. Where can I start to look is it a bad key switch. All my grounds are clean
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90 hp no power
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It's for sure you have a short/electrical problem and the fuses are working as planned. Probably need a manual with wiring diagrams, hopefully one of the "electrical gurus" on this forum can guide you more directly to your problem than I can. At least it sounds like just a matter of finding the short and fixing it, so it should be fairly easy and inexpensive. Good Luck
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I figured it's a short just wanna know where if I should be looking for a ground short or a positive short. Here is another tid bit. We use te boat as a bait boat. It's a skiff at our bait shop. Every so often when you are standin in water it feels like you get a lil jolt wen you start the boat with the key
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Isolate components, disconnect main 10 pin wire harness to key switch try new fuse. Disconnect voltage regulator, retry. Same with power trim relay.
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