regulator question

[mickab]

hello every one again,
been awhilr since ive been on here. i have an 88 mariner 200 hp. have had a few issues with this motor but just spent $3500 on a rebuilt and it runs better than brand new. now the typical problem is the unregulated charging system. as i have expensive electronics on my boat and i would like to keep them as long as i can. lol i have read on here about all different types of fixes but interested in the rectifier replacement with a regulator. i just need to know which one and how to wire it. i do appreciate any and all advice. thank you.

 

[oldman570]

Re: regulator question

There is a newer voltage recitifer/ regulator that will work for sale on Ebay at this time. You need to varify what amprage the stator on the motor is inorder to get the correct one, as if the regulator unit is for a smaller amprage there is a good chance that it will burn up the new unit. As long as it is for that amprage or more it will work. You might have to make a mounting plate that will allow it to be mounted where the old unit is or find a location where it will fit. JMO
Oldman570

 

[mickab]

Re: regulator question

ok good deal. my stator is a 9amp stator. do you by chance have the part number for that rectifier/regulator thats listed on ebay?

 

[oldman570]

Re: regulator question

Go to Ebay and do a search for "MERCURY MARINE NEW VOLTAGE REGULATOR replaces Mercury Marine 815279T" and it should get you the listing. I couldnot find a Ebay item # for it when I looked for one. It will work with the 9 amp stator you have. J<O
Oldman570

 

[mickab]

Re: regulator question

Regulator Rectifier Mercury Mariner Outboard NEW 6-Wire | eBay


here is what i found that i think will work. if you could just let me know if it will or not. thank you

 

[mickab]

Re: regulator question

it pretty much looks like the one you suggested. just curious about the two red wires. not sure were they go.

 

[oldman570]

Re: regulator question

One should go to the + battery side of the starter selinoid and the other can be taped up. Ihe two yellows go to the stator and the gray is for the tach if so equiped. Make sure that the one to the + side battery cable is fuse with a 15 amp fuse. The Mercury Marine 815279T part number along with others can be replaced with the regulater that is on Ebay. JmO
Oldman570

 

[mickab]

Re: regulator question

ok thank you but before i spend the $60 this will be a direct replacement for the rectifier i have and work just fine? ive gathered the fuseable link for the hot wire to the starter but as far as reliability what am i looking at? will i have to change it every year or keep a handfull of fuses on the boat? i thank you very much for the info. ive got alot of money tied up in this boat as a whole and this for now is the last thing i need to take care of.

 

[oldman570]

Re: regulator question

Like I stated before, You might have to make a mounting plate that it would mount to and mount that plate to the motor where the rectifier was mounted as long as there is room for it to fit there. I use a pice of 1/8" alluminium plate for this as it will act as a heat sink and cool the unit. Other wise you will need to find a place that has room for it to mount to. The wires might need to be extended in that case. The main trouble that most people have with the rectifier units is bad connections or improper battery connection when jumping the battery or disconectiong the battery while the motor is running. Most all of the new electronics today require a constant battery connection without any interuption or things go bad very fast. The motor itself should Never be run without a battery unless the yellow wires are disconnected from the recitirfer, and insulated from everything, this will hold true for the new unit also. The main reason that the new units are made as a regulator is because of bad battery maintaince and some of the electrionics, fish locators, marine raidos,& plot charters made today that will not work correct if the voltage is above 13 volts or so. Yes it would be best to carry a few fuses on the boat as spares just incase something were to blow the one in the holder. I allways use diaelectric gresse on ALL electrical connections to keep them from correding as they are operated in a wet enviroment. The gresse can be bought at most auto stores in a small or large tube and is not $. JMO
Oldman570

 

[mickab]

Re: regulator question

thank you very much for the info. ill hook it up this weekend and let you know how it works.