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Boating Talk For discussion of everything related to boats and motors |
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#1
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2006 merc optimax 75 HP no fire
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#2
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sorry to say but that sounds like your ECM died, big $$$ unless you can find a used one on ebay
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#3
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If it wont turn over check the fuse next to the starter.
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#4
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Turns over fine just no fire.
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#5
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wonder if the kill switch didnt crap out?
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#6
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[QUOTE=jldsc;697259]wonder if the kill switch didnt crap out?
i think that happened to bassyakr |
#7
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Yep common problem with em.
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#8
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How do you bypass the kill switch?
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#9
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pull the cowling off...there should be 2 wires plugged into the kill switch fairly close to it....just unplug it and check to see if you have fire
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#10
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the tether kill switch
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#11
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I'll get him to do that today. My sons boat he just bought.
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#12
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Before jumping into splicing a safety feature of a boat why not check over some obvious items.
1. Is there are audible warning horn going off when you turn the key to run position? 2. With the cowl off can you hear the fuel pump prime when you turn the key to the run position? 3. Check to make sure all of your fuel lines and air hoses are connected and haven't blown off the fitting.(sounds crazy but I had my opti kill like yours once and it was only the air compressor line to the fuel rails coming loose.) 4. Check all of your onboard fuses 5. There is a website called bbcboards.net I think. There is a wealth of optimax troubleshooting knowledge in there. |
#13
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Thanks for the link. No alarms, fuel pump is priming, haven't check hoses, fuses are good.
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#14
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Oh and the splice would just be temporary.
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#15
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Will the engine not fire at all now?
Have you verified the vst is in fact getting fuel? fuel bulb is firm and not collapsed Not out of gas No warning horns huh? |
#16
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2006 merc optimax 75 HP no fire
you dont have to splice anything...just unplug it...its a factory plug in put there to be able to replace it...dont splice anything yet
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#17
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Quote:
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#18
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You might also look at your air compressor. U can pull the belt and rotate the compressor pulley to listen for any clanking.
All just shots in the dark. Also check your kill switch like someone said. Verify all your connections are secure to kill switch |
#19
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Thanks for the info. He actually changed kill switch this morning. I'll mention the compressor. Think he's about to take it to Jerry's.
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#20
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if he has fire at the plugs it isnt the kill switch...probably somethin a little more detailed
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