1997 Volvo Penta 7.4 GI Ignition Module Problems

daveabs

Recruit
Joined
Jun 7, 2010
Messages
4
Any Volvo guys help! engine was running rough, I replaced ignition coil, was running it to warm it up (still rough) then engine died, no spark, (it sparks one time on spark tester when you crank it - weird - then no spark) I had recently rebuilt distributor - new pick up coil, cleaned and painted, cap and rotor, so I put in a new ign module (from auto parts store - was on a saturday) I had spark for 2 minutes then ign module blew again, I got another one , this time engine ran for 10 minutes, no spark again! Before I get a 3rd new Ign module has anyone seen this module blowing problem before? Maybe high charging voltage from Alternator? I cant check that until I get it runnung again....Thanks in advance
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: 1997 Volvo Penta 7.4 GI Ignition Module Problems

Do you have the full model number or serial number for your engine. Year doesn't mean much in marine engines.
 
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