no spark

P

PvH

Cadet
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May 29, 2011
Messages
6
3.0 1989 mercruiser getting no spark from coil or distributor, I have six volts to pos. side of a new coil..tried tach wire, safety wire disconnects with still no luck. I also replaced ignition switch to no prevail.. i would greatly appreciate any help.
 
Bondo

Bondo

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71,453
Re: no spark

Ayuh,... Points, or electronic ignition,..??
 
Don S

Don S

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Messages
62,321
Re: no spark

6 volts is too low whatever you have. Is your battery fully charged?

Assuming you have the points system, you probably need a set of points. They get pitted and glazed over from use and sitting and will not work.
 
P

PvH

Cadet
Joined
May 29, 2011
Messages
6
Re: no spark

Bond-o said:
Ayuh,... Points, or electronic ignition,..??
Click to expand...

points. tried sanding them down, they dont appear to be pitted. i had purple (resistance wire) that was getting very warm with key in the "on" possition.
 
P

PvH

Cadet
Joined
May 29, 2011
Messages
6
Re: no spark

battery is new and fully charged.. how many volts should i have to coil? motor shows a resistance wire on + side of coil, whats that guy suppose to do?
 
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