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Dluciano
Reviewed in the United States on August 14, 2024
My 1984 Mercury 2 Stroke 90 hp "tower of power" was putting out too much voltage. I was seeing voltage as high as 18.5 at wide open throttle, which obviously is bad for your electrical systems and your battery. I replaced the existing rectifier with this unit, and the problem is solved. Voltage now consistently at 14 - 14.5 where it should be.
Sawdust 63
Reviewed in the United States on October 30, 2023
Installed on Older Merc. after many Merc. part failures. Minor modifications are required but, well worth the small effort.
Keith
Reviewed in the United States on August 29, 2022
Used this to upgrade the old Mercury rectifier setup. My charging voltage was 16.0+ volts at cruising speed, this will kill a battery in no time. This is not plug and play and had to re-drill a bolt hole to line up, but with some simple skills, it can be installed without a lot of problems. Now, my voltage is never over 13.8 and works perfectly.
Steven Andrews
Reviewed in the United States on May 31, 2021
Failed right out of the box. I know CDI products are legit and I will continue to buy CDI. Just disappointed I finally encountered one that immediately failed....I guess it happens.
alain gagné
Reviewed in Canada on July 7, 2020
fonctionne tres bien sur mon mariner 80 hp 1983 maintient le voltage a 14.5 volts
Jeff
Reviewed in the United States on December 29, 2019
My boat engine was charging at 17 volts until I installed this. It now charges at 14 volts like it should. Great product!
Kevin
Reviewed in the United States on January 24, 2016
Worked great!! Fixed my overcharging prob. Now it sits at a perfect 14.2 volts, very happy with the item
Dennis M Stanton
Reviewed in the United States on September 29, 2015
Easy to install and saved my fish finder from unsafe voltage
ChadSD
Reviewed in the United States on October 6, 2014
I installed this on my 1988 Mercury in-line six 115HP outboard and it's working perfectly. As you may or may not know, earlier outboards did not have any form of voltage regulation. The OEM rectifier was sending nearly 18v through my electrical system at high rpm, shortening the life of my battery (preventing me from even considering a no-maintenance or gel battery due to the excessive charge), caused my fish finder to cut out intermittently, and stereo to clip. I installed this regulator/rectifier in minutes and now have a constant 14v coming out of the motor.
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