suzuki df70 shutdown and then no power

[pukeanddie]

Engine : 2003 suzuki df70<br /><br />Several weeks ago when the engine was cold I tried to tilt the engine down and the switch was dead. The battery was reading fine, and so I tried the tilt switch on the motor and had the same problem. I tried again and it worked fine. the battery leads and all connections looked fine too. No problems again until this weekend.<br /><br />I had been underway, anchored, the engine cooled, and then after I started up again and had been trawling for about 20 mins I gave the engine some throttle. It took fine initialy and then about four mins later I heard a quick beep and the engine just shut off. I then went to tilt the engine up to inspect the intakes and such and I encountered the same problem - no tilt. About 20 seconds later the engine tilted fine, and there were no obstructions, good fuel connection, and good oil. I turned it back on and payed careful attention to what happened next.<br /><br />I kept it at low rpms and every thing seemed normal, but as soon as I gave it some throttle it did the same thing again. It shut right down, and I noticed the temp light flashed with the single beep again. I checked the tilt trim and it was again dead. After a couple seconds it worked and I tilted up the engine and took off the cover and felt the engine block. It didn't feel hot at all.<br /><br />I waited a while, scratching my head and started up to head home. I kept the rpms low and kept feeling the heat and the telltale stream (though I know that is before the thermostat) and there were no more shutdowns. Eventually, I tried slowly increasing the throttle until I kept it at high rpms for a long while with no problems. It seemed normal.<br /><br />So I'm stuck. I can't tell if this is a temp issue, or if it is some sort of sudden loss of power. Does anyone have any thoughts? I know the temp alarm is only supposed to drop the rpms, and since it didn't feel hot, I am confused by the alarm and shut down. Could there be some sort of power lead issue?<br /><br />thanks..

 

[rodbolt]

Re: suzuki df70 shutdown and then no power

hello<br /> sounds like a loose connection. usually the beep is a selftest. when the connection is lost the alarm sees it as a key on and tests. is your ign switch inside the control box?<br /> good luck and keep posting

 

[pukeanddie]

Re: suzuki df70 shutdown and then no power

Thanks for the reply.<br /><br />yes, I believe the iginition switch is inside the control box. If the powerloss effected the tilt/trim switch at the motor and both leads coming off the battery were secure, am I right in assuming that any loose connection must be located within the engine, or would a break in the curcuit at the control box shut out the power to the tilt trim as well? (I will test this senario next time).<br /><br />Does anyone know of any alarms that would beep once, show the temp light, and then just shutdown the motor?<br /><br />Thanks again for the help. Aside from this small issue I've been nothing but completely thrilled with this motor.

 

[lakensea]

Re: suzuki df70 shutdown and then no power

Bad power connections at the engine - most likely the ground cable.

 

[clanton]

Re: suzuki df70 shutdown and then no power

Check the battery cables, if the problem continues, it will kill the ecm. I see a lot of this with spliced battery cables. Copper termials on the battery cable not good either. Check all electrial cable connections on engine.