Protec EMS and Coil Packs

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   Pretty sure the answer is No.  I have never seen one on this site or anywhere else.  Someone would have had to either reverse engineer it or obtain one from PCM.  Like you said most owners just swap them out.  There was a member a few years ago that put a scope on the output of the trigger unit so he could replicate the signal going to his EFI.  He was able to keep his stock EFI and just replace his Protec with a distributor.

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desertskier Members Profile Send Private Message Find Members Posts Add to Buddy List Platinum Member Joined: December-19-2006 Location: Az Status: Offline Points: 1115	Post Options Post Reply Quote desertskier Report Post Thanks(0) Quote Reply Topic: Protec EMS and Coil Packs Posted: September-06-2022 at 10:44am
	Pretty sure the answer is No. I have never seen one on this site or anywhere else. Someone would have had to either reverse engineer it or obtain one from PCM. Like you said most owners just swap them out. There was a member a few years ago that put a scope on the output of the trigger unit so he could replicate the signal going to his EFI. He was able to keep his stock EFI and just replace his Protec with a distributor.
	92 SN - Owned since 93 99 Pro Air 89 SN - Went to live on a lake in Texas 75 Donzi 16 - Sold in 93

Aussie Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: April-01-2022 Location: Lake Macquarie Status: Offline Points: 2	Post Options Post Reply Quote Aussie Report Post Thanks(0) Quote Reply Posted: September-06-2022 at 12:41am
	I have a 1993 SN with 351W GT40 heads nominally 285HP with the Protec Ignition EMS and Coil Packs. My ignition is still fully operational but the EMS is leaking the potting mixture when the engine is warmed up - although ever so slightly. While I understand there is much discussion on this forum and around the internet on the replacement of the Coil Packs with a conventual coil and distributor as well as discussion on the merits of the various solutions, I am interested to see if anyone has an actual electronic schematic of the potted EMS and coil packs. I have seen the overall boat wiring diagram on Page 51 of the engine manual but have not been able to find the schematic of what is inside the EMS. Any help is appreciated. Thanks

Protec EMS and Coil Packs

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