Starts buy turns off

Rellik546

Rellik546

Petty Officer 1st Class
Joined
Feb 5, 2011
Messages
270
Hey guys. So my mercruiser 140 will start. But as soon as the key goes from start, back to run the motor dies. Any ideas?
 
mkast

mkast

Lieutenant Commander
Joined
Nov 6, 2002
Messages
1,934
Re: Starts buy turns off

Check the ignition switch.
 
CobiaXL

CobiaXL

Banned
Joined
Mar 8, 2010
Messages
353
Re: Starts buy turns off

Check connections at plus side of coil..Sounds like bad resistor wire or block....Should have 12v or battery voltage at plus side of coil cranking and about 8-10 volt with key turned to on.
 
Rellik546

Rellik546

Petty Officer 1st Class
Joined
Feb 5, 2011
Messages
270
Re: Starts buy turns off

We ran a bypass wire from ignition to coil and it ran. Just gotta find where the bad connect/ part of wire is and replace
 
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