78 Evinrude 85hp kill switch issue need clarification fast

[gunlocators]

Ok I have a 78 model 85hp Evinrude I placed on a 88 model pontoon I used the 88 model contol and wiring harness. Here is the issue. When I opened the control box the kill button wires were cut and the ends were not present. So this morning based on below schematic I wired in a marine kill switch on the helm and wires one wire to ground point and one wire to Black Yellow as in schematic. I am having the impeller replaced at marine shop and will be picking it up in a couple hours. I was telling a friend about wirting the kill switch and he said he thinks I screwed up he said the 78 has coils and you cannot ground it out to kill it. So now I am scond guessing my self any help would be appreciated if I wired this wrong

http://www.maxrules.com/graphics/omc_pics/REMCONTBOX.jpg

 

[ezeke]

Re: 78 Evinrude 85hp kill switch issue need clarification fast

The 1978 V4 ignition switch grounds the powerpacks via the black wire with a yellow stripe. This instantly kills the engine by preventing it from firing.

If you have the harness and kill switch wires connected according to the diagram, you have it correctly wired.

 

[CaneCutter79]

Re: 78 Evinrude 85hp kill switch issue need clarification fast

Yes it does have coils but if you followed the schematic exactly by matching the color-codes......it will work correctly. I have the same motor and I installed mine last fall thanks to Iboats.com and the help I found here with the control schematic. I've had no poblems with mine so far.

Mine is a 79. Its good to see there are still some of these old motors being used besides just mine. They are strong little motors.

 

[gunlocators]

Re: 78 Evinrude 85hp kill switch issue need clarification fast

Thanks guys I tested it and it works my friend was wrong go figure he has had me second guess my self on a few things during this restore. I guuess it does not hurt to check. Thanks a bunch guys. Now to a new issue. I am going to have carbs rebuilt took to lake and it kept flooding has fuel coming out the exhaust. Have my marine mechanic going to fix me up next week i hope then should be good to go...

 

[CaneCutter79]

Re: 78 Evinrude 85hp kill switch issue need clarification fast

I am going to have carbs rebuilt took to lake and it kept flooding has fuel coming out the exhaust

Why do you say fuel is coming out? Are you sure its not just water? Mine has a good flow of water coming out of the exhause ports and thats normal when you're on plane.

The thought of a combustable/flamable on a hot exhaust is scary....

 

[gunlocators]

Re: 78 Evinrude 85hp kill switch issue need clarification fast

Why do you say fuel is coming out? Are you sure its not just water? Mine has a good flow of water coming out of the exhause ports and thats normal when you're on plane.

The thought of a combustable/flamable on a hot exhaust is scary....

Looked like premix and it was flooding out could not get it to rev up past about 1200 with throttle advance. If i lowered the throttle position so I could shift into gear it would die except a couple times. When it was able to get it in reverse it was barely on the trailer and could not get egnough power to even try to pull it off. In forward it would rev to about 2200-2400 full throttle. It also sounded if it was not firing on al cyliners. Motor ran fine on other boat 4 months ago.