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-   -   Bad ignition module symptoms?? (https://www.offshoreonly.com/forums/general-q/376524-bad-ignition-module-symptoms.html)

bigboat28 07-26-2022 09:40 AM

Bad ignition module symptoms??
 
What are the symptoms of a bad ignition module in a 500efi?

Anyone know the correct part number? Was looking on line and there appear to be a few different ones. It would be going on whippled 500efis.

Griff 07-27-2022 12:21 AM

The pick up module in the distributor??? Most of the time, they just quit or will quit when they get hot

SB 07-27-2022 04:43 AM


Originally Posted by bigboat28 (Post 4839587)

Anyone know the correct part number? Was looking on line and there appear to be a few different ones. It would be going on whippled 500efis.

Current Merc part#:
https://www.mercruiserparts.com/merc...08208-module-d

I believe (but don’t quote me) the AcDelco is this:



Remove old grease from pad module is mounted tooUse thermal paste, not the improper dielectric grease that comes with them. Put on extremely thin.

boostbros 07-27-2022 08:00 AM

miss fires on this system are most often the pick up coil and where it connects to modual they corrode and lose contact put a goooood new pick up in around 25 bucks

Topshelf38 07-27-2022 11:05 AM

Mine would make a miss and not get above 3000 RPM's when it got hot.


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