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wiring

kenneth85

New member
i have a 40hp evinrude and trying to wire the electric shift. dont know exactly where the 2 wires coming from the lower unit connect to. also i c the green for foward and blue for reverse but there is also a red?
 
Man that's old school. I'm not great at the old stuff but I have one on the yard now. It has no red wire, just a blue and green. When the blue is hot the green is ground and vise versa (I think). At least that's how the new stuff works. Everything has gone to the 2 wire system. It's possible that the servo in the lower unit has a ground but anyway there is no red wire on this one and it works fine. The blue and green wires are hooked up near the bottom of the powerhead on the STBD side. I have not yet removed the lower unit to see where they hook up down there, we might end up in the same boat.
 
They connect to the same color wires coming from the remote. When in fwd gear there is no voltage on either wire. When in reverse there is voltage on both wires. When in neutral there is voltage on the green wire only.
 
No intentions of stepping on anyones toes here......

The 40hp Electric Shift (Electramatic & Selectric, 1968 thru 1970) is as follows.

12v to Green = Forward (Blue has no connection at all, wire not grounded)

12v to Blue = Reverse (Green has no connection at all, wire not grounded)
 
What was stated above doesn't apply to yours. That was only on the v4s and 3 cyls. On yours , for reverse 12 volt is applied to the blue wire. For forward 12 volt to the green wire. Neutral, no voltage. These wires run to the control box to the proper switch. A red wire or power source goes to the switch. I was refering to post # 3, not Joe's.
 
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ok thanks now another question where do the 2 wires connect that run from the lower unit out to the shifter its only a red wire and black wire
 
ok thanks bud but what if they are just laying there how do i know what wires to connect them to? also someone told me that the muffs wont work i have to use a barrel and i might not see the water circulate. does this make since?
 
sorry if u have already recieved a message like this but those 2 wires are just laying there do u know what wires they connect to? and also the muffs dont work on this motor im gonna have to use a barrel wil i see the water circulate or not somone said no. it has a exhaust hole toward the top will water come out of it
 
Use a large plastic trash can. Have water lever above the water pump area.... water lever a few inches above where the lower unit bolts up. Water should shoot out the hole that exists a short distance from the powerhead, down the exhaust housing.

Shift wires.... Green (forward) connects to "F" of shift switch. Blue (reverse) connects to "R" of shift switch. I have no idea what your rig looks like.... you'll need to describe what you're up against.
 
ok thanks. water is not circulating i have someone putting a new wiring harness and fixing the water pump problem all for 300 dollars is that good? i paid 400 for the boat and trailor i have a 40hp johnson motor that could be used for parts also. my question is how much do you think i can sell all this for with the boat being complety rewired and the water pump and all fix. thanks for your help. 14ft ebb tide 1971 fiberglass boat
 
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no water circulating but i just paid to have a new water pump assembley and new wiring harness through out the whole boat and traior for 300 dollars. is that a good price? i paid 400 dollars for the boat and trailor. how much do you think i can sell it for now with all the new work done to it. i also have a 40hp johnson motor that can be used for parts etc.... sorry didnt mean to post this twice
 
Might not pull a tube. They can take a strong hole-shot to get up. Some of the larger more rigid tubes should work but they can be rather expensive. Depends on a lot of things really but I have been suprized before at boats that wouldn't pull a tube. It'll pull a knee board all day but unless it's a minimal type boat like a Boston Whaler a 40 hp is generally borderline for watersports. Kneeboards are easiest to pull then comes wide wake boards and skis are hardest obviously. If you really want to tube it depends on the tube too. Look for one thats wide and relatively stiff with a very good bottom. A tube that uses and round innertube with a hole in the middle probably wouldn't work unless you're pulling 100 lb kids. I would see how well it pulls whatever you have or can borrow to get an idea what you're working with. Thing is a nice tube can cost $200 or more and they won't likely let you return it.
 
Michigan Propeller, years ago, made a four blade power prop that would fit that 40hp model. This 4 blade prop would make the engine act like there were two of them on the transom..... make the boat jump out of the hole! The get out of the hole thrust is fantastic and the top end rpm/speed is hardly affected.

I have no idea if Michigan Propeller is still in business or not, however I'm sure that hundreds of those propellers are still around. The Michigan prop number is AMC444.
 
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