coil overheat

G

ghartt

Recruit
Joined
Apr 12, 2011
Messages
1
i have a merc 888 188 that has a problem where the coil overheats and engine quits. have replaced coil and problem persists. i inherited this problem with the boat. The coil was replaced with merc marine coil. This is the 3rd coil The second was a automotive accel coil. It got so hot it began to leak oil.:confused:
 
jerryjerry05

jerryjerry05

Supreme Mariner
Joined
May 7, 2008
Messages
18,196
Re: coil overheat

Measure the voltage at the coil.Should be 9v.If it's more then put in a ballast resistor. About $10,J
 
T

tschmidty

Chief Petty Officer
Joined
Mar 24, 2010
Messages
462
Re: coil overheat

As above, guessing your resistor wire is fried. You can run a straight wire and replace the coil with one that has an internal resistor.
 
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