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1991 Evinrude 200 New Style regulatorrectifier question

J

johndoe031181

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"Hello, All.

I replaced the

"Hello, All.

I replaced the reg/rec in my 1991 Evinrude 200 and everything is working fine, however, I no longer have 12 volts at the ignition switch on the purple wire. Looking at the wiring diagram, it's evident that this is due to the "missing" purple wire on the regulator/rectifier for the newer style part.

Is it possible to pull 12 volts from another location and bring it to the ignition switch? I was using that wire to energize my gauges...

Any comments, etc, would help out. If I don't get good suggestions, I'm probably just gonna pull 12+ from a switch at the console.

Thanks!"
 
"You are not thinking correctl

"You are not thinking correctly on this.
The +12v is supplied by a red with violet stripe wire TO the ignition switch. When you turn the key ON, the purple wire then goes "hot", and the +12v is distributed to the boat as required."
 
You disconnected the old reg/r

You disconnected the old reg/rect at the starter solenoid....check again at that connection for the red/violet wire that maybe you did not put back on.
 
"Hmmm... That's very odd.

"Hmmm... That's very odd. When I replaced the reg/rec with the new style part, I lost 12+ at the ignition switch. Other than that, my stbd. motor runs fine. You're correct, though. I was assuming that +12 came out of the reg/rec, down the purple wire to the harness, and through the harness to the ignition switch.

Perhaps when the reg/rec went out originally, I popped a fuse some place that I'm missing?

I'm going to check the red/violet wire at the ignition switch for +12. If it's not present, any suggestions for what to look at next?

Thanks for the input!"
 
"Circuit is like this:
Batter

"Circuit is like this:
Battery Pos to starter solenoid, red/violet wire from solenoid to 20 amp fuse, fuse to big red plug in harness, big red plug to ignition switch "B" terminal thru boat harness.

For the reg/rect, circuit is like this:
Battery Pos to starter solenoid, Large red wire to reg/rect. That's all."
 
"After testing the fuse and re

"After testing the fuse and realizing it was fine, I checked for voltage at the red/purple wire at the ignition switch. What I realized is that somehow the polarity of the circuit was reversed at the switch... Dunno how this happened, however, it's probably the reason that my regulator/rectifier went bad in the first place.

Any idea how the polarity of the red/purple would get reversed at the ignition? Wiring is correct at the switch, wiring has to be correct at the boot going into the harness at the motor... No clue how this would have happened....haven't had these motors out yet."
 
"John doe!!!
Are you sure????

"John doe!!!
Are you sure????
Dude, you have issues if the polarity is reversed.
You have likely blown that new reg/rect.
Just make sure you are reading the meter right. Read it across the battery, plus to plus, minus to minus...and make sure you are reading the meter right.

Then check to make sure the battery cables are not on backwards.."
 
"Here's to hoping the new

"Here's to hoping the new reg/rec isn't blown...
rain.gif


Lemme make sure I'm testing properly... Positive lead of the meter is going to the red/purple wire. Neg is going to negative bus. This should yield +12 proper polarity, correct? *grumble*. In the process of going through ALL wiring on this boat. It was recently purchased and I got it for a steal.

I suppose you pay for your education whether it be through mistakes/stupidity or proper schooling.

I'm gonna go chase everything down now and figure this puppy out. I'll post up when I've got it licked. Fingers crossed for my new part."
 
"Ok....here is what happened.

"Ok....here is what happened. I have two motors. One of the wiring harnesses stopped working the other day. When that happened, I took the wiring harness from the port motor and used it to start the starboard motor. Unfortunately, I didn't think about the fact that all the port gauges were using the port battery for ground... That said, when I hooked the port wiring harness/gauges to the starboard motor, polarity reversed... This is probably the reason that my reg/rec went out in the first place. I'm such a dumbass.... I'm sure that this issue will go away when I replace the starboard harness and use it for the stbd. motor.

Anyone have a "technical" explanation as to why doing this would reverse polarity at the key?"
 
"No, swapping the port and sta

"No, swapping the port and starboard harness will not cause the polarity of the electrical system to reverse.
Do you have two batteries? If so, look at the battery for the starboard motor and make sure it is wired right.
Seriously, I would double check (before doing ANYTHING else), the meter and the way you are reading it. You may have the meter leads swapped where they plug into the meter...something simple.

Put it across the battery, where you KNOW plus is plus and minus is minus....be sure you are reading +12v.

You are getting in deeper and deeper here, and since the port engine works fine, it cannot be a reversed polarity problem.

If you truly had reversed polarity, for one thing, the starter would spin backwards, and you would never get the bendix to shoot up to engage the flywheel....your gauges would be wacky....I just cannot see that it could be reversed....
but who knows...."
 
"Very odd. So if I'm grou

"Very odd. So if I'm grounding to the port battery and touching the positive meter lead to the red/purple coming from the starboard motor, I shouldn't see reversed polarity? When I meter the port motor to a port battery ground, polarity on the meter reads right. When I meter the starboard motor to a PORT battery ground, polarity reads reversed.... Meter is hooked up properly. Triple checked...

I hate things like this...

The way forward is going to be as follows:
- Rewire ALL gauges, port and starboard.
- Use proper wiring harnesses for each side.
- Re-meter everything.
- If I still have polarity issues, I'm going to get the wiring diagram out, open the wiring harness on both engines and make sure everything is wired correctly. Afterwards, I'll re-wrap both wiring harnesses with self bonding tape, etc.

For the record, I don't have reversed polarity at the engines. Eg, the battery wires are connected to the solenoid correctly. The reversed polarity issue ONLY appears at the red/purple wire coming from the starboard motor when I'm using the PORT wiring harness... Keep in mind that the port gauges are grounded to port and that the port harness is connected to the starboard motor when I'm seeing reversed polarity....

Curiouser and curiouser....

Thanks for all the input, guys. I'll figure this out if it kills me."
 
"Well, at the end of the day,

"Well, at the end of the day, I moved the known good wiring harness to the side of the boat I was having the reverse polarity issue on and guess what.....the problem went away.

I think it may have had something to do with the fact that I was pulling ground from a bus bar that also had a bilge pump grounded to it... Not 100% sure. All that crap is coming out anyways and I'm doing a re-wire, stem to stern. bah humbug."
 
"Johndoe , If the harness is t

"Johndoe , If the harness is the same on a 1990 200 as a 91 200-hp , i have a good one in the shed that i removed when i replaced a powerhead for a newer set.you are more than welcome to it"
 
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