Mariner 85 No spark on # 2 cylinder

brianallinger · #1 August 28th, 2005, 11:05 AM

I have a Mariner 85 hp outboard Serial #4811 334

with no spark on number 2 cylinder. I don't have a service manual or a wiring diagram for this engine. any help trouble shooting this problem would be great.

thanks

Laddies · #2 August 28th, 2005, 11:42 AM

If you lose spark on 1 cyl it is either a switch box or coil, to test move the input wire off the one that don,t fire to one that does if it fires that coil you have a bad coil, if it don't fire it you have a bad switch box

brianallinger · #3 August 28th, 2005, 01:01 PM

thanks for the help

it's the cd module Mercury part number 332-5772a1 if anybody knows where i can get one at a good price please let me know

thanks