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Have a Yamaha 150 warning horn is going off. The warning
The warning horn will go off if I unplug the wiring harness that goes to the oil tank in the boat … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
I am restoring. 1974 Ranger 26 sailboat. I have one battery
I am restoring. 1974 Ranger 26 sailboat. I have one battery and the Perko switch. Can I hook it up to just one battery? … read more
Charles
Charles
Marine Mechanic
Certified Mercury Tech
5,080 satisfied customers
Dual Battery switch wiring as Tan described 6 years ago but
Dual Battery switch wiring as Tan described 6 years ago but with two F150 yamahas … read more
Jason
Jason
Marine Mechanic
Vocational, Technical or Trade Scho
17,310 satisfied customers
Countious beep under dash, I can run down the lake like 5
I can run down the lake like 5 minutes and buzzer goes off, turn boat off and set 2 minutes and run again for 3 to 5 minutes then buzzer goes back off … read more
Jason
Jason
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Vocational, Technical or Trade Scho
17,310 satisfied customers
I've got a ski boat. I've put 2 batteries in because of the
I've got a ski boat. I've put 2 batteries in because of the high watt stereo amps and multiple ballast pumps. my question is do i hook up all the positive cables (stereo/pumps) to the perks switch and… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
hello tan, I have a twin 1994 cobras 50facpmd, I would like
hello tan, I have a twin 1994 cobras 50facpmd, I would like to add a house battery. I have two perko battery switches both have a selector switch with options off,1,2 and both. I have an alternator on… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Tan, Looking for a good wiring diagram and suggestions on
Tan, Looking for a good wiring diagram and suggestions on how to hook up charging circuits etc, 2800 Pursuit Express, twin Yamaha 200's, 3 bank battery charger, re-working the wiring, too much stuff h… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
Hey Tan-----so out of curiosity, my next question was going
Hey Tan-----so out of curiosity, my next question was going to be what to look for, and how old I can go to get good reliability in an Outboard. My next boat is likely to be either an 80's Whaler Reve… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I have a 2000 ox66. It has been in storage and was run by the
I have a 2000 ox66. It has been in storage and was run by the shop before I had it shipped to me. It turned right over and ran but instantly the low oil and over temp symbols popped up on the tach. It… read more
orcamarine
orcamarine
Proprietor
Vocational, Technical or Trade Scho
7 satisfied customers
Im going to add a second battery to my boat with a Perko switch.
I'm going to add a second battery to my boat with a Perko switch. Is 8 gauge wire standard and are there any precautions I need to be aware of.… read more
Tan
Tan
MerCruiser Certified Technician
Certified Marine Technician
11,264 satisfied customers
I HAVE TWIN 250 YAMAHAS 4 BATTERY SYSTEM WITH 2 PERKO SWITCHES
I HAVE TWIN 250 YAMAHAS 4 BATTERY SYSTEM WITH 2 PERKO SWITCHES WHAT IS THE CORECT WAY TO HOOKUP… read more
Jeff G.
Jeff G.
Marine Mechanic
Vocational, Technical or Trade Scho
4,729 satisfied customers
Have twin Yamaha F250s on a 30 Ft Grady. Upon engine start
Have twin Yamaha F250's on a 30 Ft Grady. Upon engine start the engine warning buzzers activate and will not shut off. Both engines are affected. There is coolant flow out of both and they both run fi… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Have a 2004 50 hp Yamaha ,The low oil alarm goes off as soon
Have a 2004 50 hp Yamaha ,The low oil alarm goes off as soon as you turn key ,and engine will crank but not fire. Had oil float replaced , carbs cleaned and complete engine tune up . Mechanic stated h… read more
Dominick
Dominick
Marine Mechanic
Vocational, Technical or Trade Scho
1,009 satisfied customers
I have twin 2000 5.0 mercs (EFI) with roughly 350 hours on
I have twin 2000 5.0 mercs (EFI) with roughly 350 hours on them. This spring I've had an intermitent problem with the engine alarm. typical condition is when backing down off of plane, alarm goes down… read more
Jeremy R.
Jeremy R.
5,362 satisfied customers
Want to install second battery on Party Barge for stereo...have
Want to install second battery on "Party Barge" for stereo...have Perko switch (8503)already installed with first battery...running mercury marine 50HP outboard. Where is the proper place to ground th… read more
Yachtwork
Yachtwork
Owner Team Yachtwork
Technical or Trade School
1,048 satisfied customers
I have a 21 sea swirl boat with a v-6 150 hp evinrude. The
I have a 21' sea swirl boat with a v-6 150 hp evinrude. The boat has 2 batteries. The perko switch that it had went bad and I have replaced it with a new perko switch (8501). When the switch is in the… read more
James
James
Certified Marine Mechanic
Vocational, Technical or Trade Scho
4,094 satisfied customers
How do I hook up a Perko 2 way switch The jobsite is a 17
How do I hook up a Perko 2 way switch? The jobsite is a 17' KW cc Yamaha 90hp 2 stroke. Most of the business is happening in the console along +/- buss bars. I have 2 batteries and accessories to boot… read more
Captain Dave
Captain Dave
Marine Mechanic
Master's Degree
2,672 satisfied customers
Port side engine will start and run, but then wont shut off
Port side engine will start and run, but then won't shut off with the switch. I have to go turn the perko to off and then the ignition switch to start to get it to turn off. I replaced the switch but … read more
ROCKET
ROCKET
MASTER CERTIFIED TECH
Vocational, Technical or Trade Scho
426 satisfied customers
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Meet the Experts:

Dominick

Dominick

Marine Mechanic

1,009 satisfied customers

25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified

Ted G.

Ted G.

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40 years boating, Safe boating instruct., Offshore Race promoter, Failure Analysis, Expert Witness

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John White

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Jason

Jason

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Degree in Marine Technology. Gas and diesel marine mechanic.

Tan

Tan

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11,264 satisfied customers

40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.

Jeff G.

Jeff G.

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4,729 satisfied customers

42 years experience, Certified Master Technician, All Major Outboards, Sterndrives, Hi-Performance

Captain Dave

Captain Dave

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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