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Wiring Yamaha outboard tach - Yamaha Boating

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Yellow wire is batt+ after ignition switch
Black wire is the ground
Yellow wire is the rev-pulse
Blue wire is the light.

Posted on Nov 15, 2017


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Posted on Jan 02, 2017


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Where do I hook the TACH sig wire on a Mercury outboard model 1150 in-line 6

Good day William,
You Connect the tach wire On The Voltage Rectifier ,
Rectifier Should Have 2 Yellow wires Connected To It Connect Tach Wire Together With One Yellow

May 24, 2016 | Boating

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1994 Yamaha 150HP Outboard

Good Afternoon BayouNola,
This Sounds Like A Loose Connection Problem,
The Tach Is Directly Related To The Charging System,Please Check Your Battery Terminals ,Clean And Secure Tightly To The Battery,
Unplug The engine Electrical Harness Check Clean And Re plug,
Check The Main Fuse For Corrosion And Rectify If Necessary,
If The Engine Was Getting Hot The Alarm Should Be A Continuous Alarm, If It Is a Intermittent Alarm It Is Oil Related !
If In Any Doubt Run With Pre Mixed Fuel,( 500 Ml's In 25 Ltr's Fuel) Until The Problem Is Solved.
Good Luck Gordon

May 07, 2014 | Boating

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2002 yamaha 150 outboard wont shut off with key

Broken wire in loom,white wire,bad connection in loom plug,if it switches off with kill switch,then it points to ign switch

Mar 15, 2014 | Clymer Marine Maintenance and Repair...

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Yamaha 2005 150 HPDI wiring diagram

Yamaha 2005 150 HPDI wiring diagram

Looking for wiring diagrams for digital tachometer with trim indicators and warning signals. Mine had the plastic trip arm break. No trim reading on Tach face. Replaced trip arm forsensor arm and now have no reading on the tach at all except extremely light tach Number. All other electrical components work OK.

Jan 24, 2012 | Yamaha Motorcycles

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06-07 yamaha r6 tach wiring. Hooking up a digatron and need to know what color wire at ecu connector is tach signal output to wire in my device. 600cc micro-sprint

Hi, Mcbroomperfo for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Digatron Performance Data Acquisition Systems lap timing engine monitoring...
2006 Yamaha YZF R6 Service Manual R6 Moto Data Project
OEM parts for Yamaha

May 07, 2011 | 2006 Yamaha YZF-R6

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I have a 2003 yamaha yzf 600 the tach dosent read correct

I do not believe so, as the tach is related to your firing electrical pulse. have you checked the tach wiring for loose connections?

Mar 22, 2010 | 2003 Yamaha YZF-R6

1 Answer

Hello, I wanted to see if you knew what the symbols on the yamaha outboard digital tach are. The one I have does not have any buttons or total hour meter. The symbol I was wondering about is to the left of...

The gauge is for a Yamaha with a remote oil tank. Low oil and no oil. the manual is available at yamaha in pdf download format .the year will be almost impossible to find out. the part number can be found at your local dealer. a good parts person can find that by just your description

Oct 24, 2009 | Boating

1 Answer

Bike wont start tacho needle points to 3000 rpm

Tachs are coil sensing. Since you have a start problem, chk tach wiring at coil and coil wires.
If all is good, Locate or identify the tach wire and disconnect it. The tach wire should be on the negative side of the coil. If bike starts without tach wire hooked up, Your tack is more than likely the culprit. If bike stll won't run, chk for power to the coil and any possible fuse in ignition circuit. Under the seat I think. Good Luck

May 18, 2009 | 2000 Yamaha YZF-R1

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