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Author Topic:   1985 Johnson V6 150 Warning Horn
tlynch posted 07-01-2002 07:10 PM ET (US)   Profile for tlynch   Send Email to tlynch  
I know that overheating should cause the warning horn to go off, what other problems should cause the horn to go off?

I ask this because my horn seems to be going off randomly, and will go off when I turn the key to the on position even before I try to start the engine.

If the horn is malfunctioning, where would I look for a faulty ground or short?

Todd Lynch

Tom W Clark posted 07-01-2002 09:04 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

The hot horn is supposed to make a buzz every time you turn the ignition on. This is a verification that the horn works.

The horn will sound a solid buzz if the motor overheats.

It will make a beep every 20 seconds of the oil (if VRO) in the tank gets to the 1/3 full level.

It will sound a solid buzz if there is no oil.

It will sound a solid buzz if there is a fuel flow restriction.

If a lead on your ignition switch is loose it is possible that the horn "thinks" the ignition was just turned on and it will sound a quick buzz. Check all the terminals on the switch and make sure they are tight.

It's not a ground or short but rather an intermittently open connection.

tlynch posted 07-01-2002 11:28 PM ET (US)     Profile for tlynch  Send Email to tlynch     
Thank you very much for your detailed response.


NEVER SCARED posted 07-09-2002 07:38 PM ET (US)     Profile for NEVER SCARED    

On my 94 Evinrude, I never get a beep, buzz or anything. I heard somewhere that some only make noise when theres a problem. My Merc 40 always beeped once during starting. I owned the Evinrude for 3 years and use it hard. No beeps or buzz, should it?

Tom W Clark posted 07-09-2002 08:12 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

I believe almost all the manufacturers use this feature, OMC (Bombardier), Mercury, Yamaha, ect. I can't say with absolute certainty, but I suspect your motor IS supposed to sound a "beep" when you first turn the key.

If I were you I would have it checked out immediately. Let me tell you a story to explain why:

In 1990 I put a new Johnson 150 on my Outrage 18. This motor was great. Ran great for the ten years I owned it. Never had any trouble with it except for one time.

Went fishing one foggy Saturday morning in September here on Puget Sound at Bush Point. Bush point is 26 nautical miles north of Seattle or about an hours run from where I kept the boat at the time

The morning was a good one for fishing. About noon we packed up and headed home. The motor started fine. Once all the gear was stowed I accelerated and the motor bogged down. I checked everything including the primer bulb (I had an intermittent fuel starvation problem) and everything was fine. I tried accelerating again with the same result.

After several tries I finally accelerated VERY slowly up onto a plane and cruised home at a slow cruise. As we approached Shilshole in Seattle I decided I was close enough to home to experiment a bit. I gave it more gas and it ran fine. I accelerated to WOT and it still ran fine.

I was watching the temperature gauge and water pressure gauge all this time and everything was normal. We hauled the boat out and then I made a horrifying discovery. There was no oil in the reservoir!

On Monday morning I took the boat in to my dealer, Jacobsenís Boatís and Motors, and explained what had happened. I got a call from the dealer that afternoon saying the cylinders were scored. Not severely but it would need a rebuild.

They went on to ask if the buzzer had been operating properly. I said I think so, but then again I never heard it. It was then that they told me it was supposed to sound an alarm if the oil got low. It was also supposed to sound a beep every time you turned on the ignition.

They confirmed that the alarm buzzer was defective and thus gave no warning. The motor was at this point three years old and well out of warranty.

I asked what it was going to cost to have it fixed and they just said they wanted to call OMC and see what they could do. OMC responded by saying they would give me a new $3000 powerhead for free. The dealer said I would have to pay the labor of installing it which would be $500. I gladly accepted. A few weeks later I was back on the water with a new powerhead.

I here people here on the FORUM bitching about how crappy OMC was as a corporation, but this one incident has always struck me as an amazing example of how to take care of a customer. Perhaps it was just my dealership pulling strings. Who really knows? But I felt I was more than treated fairly.

The other remarkable thing is that the motor ran, and ran well, for an hour with NO OIL. Johnsonís are tough motors, or at least they used to be.

Moral of the story: Make sure your buzzer is working correctly. (subtitle: Check your oil!)

Bigshot posted 07-10-2002 09:32 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Yammies do not beep on initial start. A 1985 oMC might not either. My 94 Johnson does and so does my 99 Rude.
Jerry Townsend posted 07-10-2002 12:27 PM ET (US)     Profile for Jerry Townsend  Send Email to Jerry Townsend     
Tom - a bit of your experience is one item I was hoping to tap at the NW Rendezvous - but that has to wait a bit. But, this topic is one that I take the opportunity to pursue a bit.

I have a '96 115 V-4 Johnson Ocean Runner with the warning lights and buzzer. My hearing is a tad selective and I have always given some thought to installing a louder buzzer/speaker so that I can hear the thing - which would make me more comfortable rather than frequently keeping an eye on the warning lights and relying on friends. My question(s) - I suspect that the buzzer is in the control (throttle, key, enclosure - is that correct? Is an aftermarket speaker system available that would enhance the buzzer sound?

Thanks ------ Jerry/Idaho

Bigshot posted 07-10-2002 02:13 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
You'll hear the buzzer....if not the SLOW feature will kick in. Those stock little buzzers are WAY loud enough in the throttle control.
Tom W Clark posted 07-10-2002 02:36 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

The buzzer is pretty loud but it depends on where the buzzer actually is. On my last three Whalers I had the OMC binnacle mount control without the key in the control itself. With this set up the buzzer is bundled with the wiring harness behind the dash or inside the console.

The buzzer is an ugly small cylindrical thing with two wires attached to blade terminals and the entire thing coated or dipped in a black plastic waterproofing.

Even inside the console it was still pretty loud but if you wanted to make it louder I don't see why you couldn't replace it with something else or even relocate it to a more prominent location. I would talk to your dealer about the specific requirements.

Jerry Townsend posted 07-10-2002 11:10 PM ET (US)     Profile for Jerry Townsend  Send Email to Jerry Townsend     
Tom - I thank you for the information. I can hear the buzzer with the console door open and with my head somewhat closer to the door. I want something that gets my attention regardless of what else is going on - people talking,

I don't see this cylindrical device anywhere - so the buzzer must be in the binnacle enclosure.

Unfortunately, we don't have a Whaler dealer in Idaho and a couple of years ago, I called the dealer in Montana where I bought the boat but he wasn't much help. The 'Operation and Maintenance Manual' I received with the engine mentions the buzzer - but that is it. It would be nice if there were a circuit diagram.

But regardless, this buzzer issue is back in my mind and I will modify as necessary to get a louder buzzer. Thanks again ----- Jerry/Idaho

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