Johnson 150 v6 outboard

The first V6 outboard was introduced in 1976. These engines were in production (with few changes) for 16 years (until 1992). The engine was basically a 90 degree crossflow V4 with two additional cylinders added to the top. Two separate 3-cylinder ignition systems were employed. The engines were available with three individual two barrel ...

Johnson 150 v6 outboard. VRO Replacement Fuel Pump Assembly Fits Johnson / Evinrude 150hp 1991-2006, 175hp 1991-2006 60 degree VRO outboards This is a cheaper alternative to the following VRO pumps: 174955, 435555, 438400, 5004558, 5007420, 5007422, 8402-60

Carbrrators; 4 or 6 individual, VRO mounted between. The top-view motor covers were roughly rectangular in shape and most had vents along the rear sides (1st image). Pumps # 06-150 (V6) & 04-90 (V4) below must be used for these. The 90° V4 amp; V6 motors had a fairly distinct triangular top-view profile. The V4 & V6 Crossflow motors had this ...

Honda Marine - 4-stroke outboard motors from 2 to 250 hp. Find outboard engine specs, special financing, accessories, and Honda Outboard Motor dealers near you.Lookup 150 hp 1988 Johnson Evinrude parts by models and buy discount parts from our large online inventory. Go. important_devices: Order online, get free downloads* ... Find 1988 150 hp Johnson Evinrude Outboard Motor Parts by Model Number. Revise Search: All Years > 1988 > 150 hp. Engine Diagrams: Model Number. Model E150CXCCA; …1997 Johnson 150hp 25" Shaft OceanRunner Carbureted 2-Stroke Outboar. $3,900. West Palm Beach, Florida. Year 1997. Make Johnson. Model 150hp 25" Shaft OceanRunner Carbureted 2-Stroke Ou.Dec 1, 2017 ... Readjusting Johnson 150 OutboardCarburetors & Engine Run. pwalpar•67K ... Johnson Fast Strike 150 V6 2 Stroke Outboard. B.T.•21K views · 17:46.With 2-stroke and 4-stroke gasoline engines as well as electric trolling motors existing in their product portfolio, Johnson was associated in the construction of boat motors throughout the 20th century. Spending much of its history within the Outboard Marine Corporation, the Johnson name was eventually past to Bombardier which discontinued ...New Starter Compatible With Evinrude Johnson OMC V6 Outboard Engines 150-235 HP 387094, 395207, 0814240, 585062, 586288, 777693, 778992, SAB0003, 41021006. 4.4 ... DB Electrical SAB0003 Starter Compatible with/Replacement for Omc Johnson Evinrude Marine 150-235 Hp, Outboard E150 E155 E175 E185 E200, E225 E235, 150 155 175 …Jun 11, 2017 ... How To Repair Primer Solenoid on Johnson 150 HP Outboard Engine Part 1. 30K views · 6 years ago ...more. pwalpar. 33.5K. Subscribe.

New (Other): Johnson. (2) $47.70. or Best Offer. $7.00 shipping. Only 2 left. Get the best deals on Johnson 100-200HP Complete Outboard Engines when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands | affordable prices.This Evinrude lower unit fits V6 engines, 150, 175, 200, 225 HP and comes with a 3 year warranty. Buy a new Evinrude Johnson lower unit at USBoatworks. Price=$1,145 less $200 potential core rebate*= $ 945 final cost Aftermarket. 3 Year Warranty.Fancy. Outboard Powerhead for a Johnson-Evinrude V6 60 deg. Carb.150-175 hp outboard 1994-2006. Price includes refundable core charge and free shipping. -Determine your outboard's year and horsepower and select correct option. -Please include model number in "Special Instructions" box upon checkout to guarantee accuracy.Removing the lower unit on my Johnson GT 150 so that I can replace the water ImpellerFor safety and efficient performance, it is critical that your engine operates within the RPM range recommended by the manufacturer. iboats.com Exclusives. Save up to 70% on stainless & aluminum boat propellers for your 150 HP Johnson Outboard V6 1978 - 1990. Quality props from Michigan Wheel, Solas, Turning Point, Stiletto, Quicksilver.i have a 150 johnson 60 degree i have a 150 johnson 60 degree head design and the compression is 90 on all 6 cylinders. is that low? Go. Home. Boat Engine Parts Outboard Motor Parts ... Johnson Evinrude Outboard Forum . What is good compression on a 150 johnson ...A quick demonstration of my 1987 Johnson outboard running with water muffs and the Tilt & Trim hydraulics opperating as it should.

1998 Evinrude Johnson OMC Ocean Runner Outboard 150 HP V6 Motor Wire Harness. Opens in a new window or tab. Pre-Owned. $170.00. bobuss05 (25,848) 99.8%. or Best Offer +$20.00 shipping. Evinrude Johnson V6 150hp 175hp Ficht Cylinder Head 344042 Outboard Boat Motor . Opens in a new window or tab. Pre-Owned. $99.95.This rebuild kit, designed for a Johnson/Evinrude V6 150-250 HP, will fit models from 1979 to 2012. It includes the following items: Gear Set (Kit will be one of the two below depending on year of motor) 1979-1991 (Requires 1 3/16" Early Model Prop Shaft) 1992-2012 (Requires 1 1/4" Late Model Prop Shaft)Feb 25, 2011. #9. Re: No spark 1990 Johnson 150 GT. Disconnect the rectifier and see if spark returns. Don't run it , just check for spark. The yellow/red stripe wire feeds clean 12v to power pack during cranking, if you don't see 12v on that wire during cranking only then the PP will not work.replacing the carb bowls and gaskets to correct a fuel leak in my 1993 johnson 150 J150eletgMay 18, 2013 · May 18, 2013. #4. Re: Wiring tach from Johnson controls. The rubber plug you describe is there for the plug in type tachometer... it simply plugs in and the tachometer works. On the other side of that plug is a: Purple Wire: 12v supply for the tachometer. Gray Wire: Sensor lead for the tachometer. Black Wire: Ground lead for the tachometer.

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ARCO Part #5363. ARCO NEW Original Equipment Quality Replacement Outboard Starter. Fits: BRP-OMC 1991-Up 150-175 HP V6 Eagle-Series, 1997-Up V4 and V6 2003 75/90/115 HP, 2003-UP 90/105/115 60o Engine, 2004-UP 100-175 HP Direct Injection Replaces Part Numbers: Johnson/ Evinrude 432925 Johnson/ Evinrude 438878If you’re in the market for a new Yamaha outboard motor, finding the best deal can be a daunting task. With so many options and price ranges available, it’s important to do your re...Try the search, this has been talked about before. As I recall the GT is one of the best normal OMCs as far as use on a speedyboat. Look it up and you can find …Engine Repair and Maintenance. Johnson & Evinrude Outboards. For testing purposes, I need to know the right fuel/oil ratio for this outboard engine, plus the …Are you looking for great deals on the products and services you need? Tory Johnson is here to help. She is a renowned deal expert and has been featured on Good Morning America, Th...

Your Johnson Evinrude model number is the key to finding the correct parts for your outboard motor. Model numbers are usually found on an ID tag on the mounting bracket. The model number will also help determine the "model year" of your motor. See our model number guides for help. Outboard Parts Inventory.Nov 5, 2020 ... This listing is for a Good Used 1991 Evinrude XP 150 HP V6 Carbureted 2-Stroke 20" (L) Outboard Motor. Model number: VE150SLEIE-XP.Side Mount Remote Control For 1979 Johnson Outboard 150 150tl79c 150txl79c Boat. $209.99. Seeking Johnson 150 Controls & Steering online? Locate Johnson 150 Controls & Steering on sale below with the largest variety of Johnson 150 Controls & Steering anywhere online.We offer current Johnson Evinrude OEM parts, the largest selection of old stock OEM parts and quality discount aftermarket parts by Sierra Marine, Mallory Marine, CDI Electronics and more. Lookup 150 hp 1996 Johnson Evinrude parts by models and buy discount parts from our large online inventory.Apr 28, 2020 ... Diagnosing a fuel shortage issue and uncovering a head gasket problem on my 1994 Johnson/Evinrude 150 outboard motor.Apr 15, 2019 · Removing the lower unit on my Johnson GT 150 so that I can replace the water Impeller Common problem with these large older 2 stroke outboards, I have found the four stroke market, price of fuel etc. is making them obsolete, unlike the smal...Re: firing order and cylinder location Surprising. Although I have no clear memory, I did not think it was that. The distributor cap had the numbers of the cylinders molded into it, so you could not mess it up easily.Jun 27, 2017 ... Johnson 150 compression check. 19K views · 6 ... 150 Johnson vapor ... How To: Replacing the Optical Sensor on a Johnson / Evinrude Outboard Motor.

TOP SELLING ITEMS FOR YOUR 1984 Outboard 150 [ J150TLCRD ] View parts diagrams and shop online for J150TLCRD : 1984 Outboard 150. Offering discount prices on OEM parts for over 50 years. FAST $4.95 shipping available.

Sep 26, 2003 · Sep 27, 2003. #8. Re: 1987 Johnson GT 150 VRO. That Gt 150 is a 90 deg crossflow motor. <br />Good job in replacing the recirc valves. <br /><br />Do this. Remove the air box cover from the carbs. Squeeze the fuel bulb good and tight while watching the carb throats. Feb 10, 2011 · Re: 1992 Johnson 150 V-6 Silver Star Series need advice. I have done two rebuilds on these motors and both indicated that the cylinders failed because of poor lubrication. However I don't think that this was a VRO failure. I think it was leaking at the carb or intake seals causing lean mixture conditions. Jun 29, 2011. #1. My Johnson 150 Faststrike (1994, J150GLERA) is only firing on half it's cylinders. After this problem first started I changed the power pack - didn't help. I also disconnected the shift switch - didn't help. Checked the compression in all 6 cylinders - all good. Checked the spark - 1 side was good, the other had nothing.Johnson Evinrude OMC New OEM Outboard Fuel Filter Assembly, 433190, 0433190. $13.34 $ 13. 34. Only 7 left in stock - order soon. Ships from and sold by Doug Russell Marine. ... Pack Carburetor Carb Repair Rebuild Kit Replacement for Johnson V4 V6 90 100 105 115 150 175 HP 18-7247 436852 438996. OEM BRP Johnson Evinrude …J150GLEN Fast Strike. This 1992, 150 hp Johnson is made for saltwater. This outboard engine weighs approximately 370 pounds. It has 6 cylinders. The pistons have a 158 displacement. The bore width is 3.6" and the stroke length is 2.58". This model has a electric starter and power steering. Your engine's RPM range is important in choosing …Sep 21, 2011. #2. Re: Johnson GT 150. If it truly had water in the crankcase for two years, the motor is junk, and will be seized up. So try to turn the flywheel with the spark plugs out and see if she turns. If it is seized, I would think the motor is worthless, except for perhaps the gearcase. E. Your Johnson Evinrude model number is the key to finding the correct parts for your outboard motor. Model numbers are usually found on an ID tag on the mounting bracket. The model number will also help determine the "model year" of your motor. See our model number guides for help. Outboard Parts Inventory. Outboard Marine Latest News; Home. Powerheads. Johnson. Johnson. Refine by ... Genuine OEM Evinrude/Johnson (powerhead assy) ... 2007-CURRENT Horsepower/Models: 150/175 V6 E-TEC MODELS Warranty Duration: 1 Year Limited Warranty, Message For... Add to Cart The item has been added. Add to Cart The item …Jun 11, 2017 ... How To Repair Primer Solenoid on Johnson 150 HP Outboard Engine Part 1. 30K views · 6 years ago ...more. pwalpar. 33.5K. Subscribe.1995 Johnson/Evinrude 150 Brand: Johnson Prop Shaft Horsepower: 150hp ... Parts Catalog 0437496. Owners Manual 0212602. TOP SELLING ITEMS FOR YOUR 1995 Outboard 150 [ J150GLEOM ] Johnson/Evinrude, OMC. Manifold to block Gasket 0336227. USD 32.54 2019-01-01. $32.54. See details Johnson/Evinrude, OMC. Starboard Piston …

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May 25, 2020 ... In this video we carefully work our way to the conclusion that I am an idiot. The easy answer to why my vintage Johnson 35hp won't turn ...I have an 84 Johnson 150HP V6 Outboard, The starter is missing 3 of the 8 teeth. It still starts, just sounds weird while the starter is cranking but when starts, ... Johnson 150 HP Compression OMC came out with the low compression (bathtub) heads starting in 1983.Oct 1, 2019 ... 1987 johnson GT 150 V6 VRO Holeshot. 1.7K ... Reason for Outboard Motor Bogging Down | See What I Discovered ... Evinrude 150 cold start , having ...Sep 30, 2022 ... How to repair Johnson v4 and V6 Carburetors. This is an older video on rebuilding the Johnson and Evinrude V4 85hp to 140 hp and V6 150 hp ...Carbrrators; 4 or 6 individual, VRO mounted between. The top-view motor covers were roughly rectangular in shape and most had vents along the rear sides (1st image). Pumps # 06-150 (V6) & 04-90 (V4) below must be used for these. The 90° V4 amp; V6 motors had a fairly distinct triangular top-view profile. The V4 & V6 Crossflow motors had this ...Try the search, this has been talked about before. As I recall the GT is one of the best normal OMCs as far as use on a speedyboat. Look it up and you can find changes per years and such. I know a guy with one on an ebbtide 18 that runs about 53-55gps, 60 speedo. I could get a little more out of it if mine by having the prop done and this and ...See following and add on note upon checkout. New Johnson-Evinrude V6 Lower Unit for newer-style 2-piece drive shaft, 150-250 HP, 1978-2015. Price includes free shipping. -Determine your outboard's year and horsepower and select correct option. -Please include model number in "Special Instructions" box upon checkout to guarantee accuracy.Feb 1, 2007 · The first step of the link and sync procedures is to check (set) the timing pointer using a TDC dial gauge. I don't have a TDC dial gauge and before I go out an buy one and figure out how to use it, I thought I would check whether this step is important enough in my circumstances to do so. The motor (1996 Mercury 150hp carbed V6) is ten years ... May 29, 2022 ... How to remove the lower unit, also called foot, leg, gear case from a Evinrude or Johnson Outboard motor. Covers typical but not all models.Sep 16, 2016 ... On it's maiden voyage, the Evinrude 150HP outboard died. In fact in the first ten minutes. In this video I begin the process of diagnosing ...J150PL. This 2000, 150 hp Johnson is made for saltwater. This outboard engine weighs approximately 370 pounds. It has 6 cylinders. The pistons have a 158 displacement. The … ….

Outboard Powerhead for a Johnson-Evinrude V6 60 deg. Carb.150-175 hp outboard 1994-2006. Price includes refundable core charge and free shipping. -Determine your …Jun 27, 2017 ... Johnson 150 compression check. 19K views · 6 ... 150 Johnson vapor ... How To: Replacing the Optical Sensor on a Johnson / Evinrude Outboard Motor.Step 3: Pickup of the throttle. Wait for the throttle to advance. As the timing passes the TDC, the first minor pickup will hit and start, opening the carbs. The timing light needs to be utilized to adjust the trigger screw. Let the throttle advance continuously. This will open up the carbs slowly a bit more. The original company that made Johnson inboard motors and outboard motors was the Johnson Brothers Motor Company of Terre Haute, Indiana, United States. They started building inboard 2-cycle marine engines in 1903 in a barn behind the house, along with matching boats. By 1908, they were making V4, V6, V8, and V12 aircraft and marine engines. Nov 27, 2010 · Nov 27, 2010. #3. Re: Recommeded Spark Plug 150 Johnson. As seahorse 5 says the NGK plugs you have are not correct. The "R" in number indicates that they are resistor plugs, which are unsuitable for OMC ignition systems. The Champion "Q" series plugs have inductive, low resistance, suppression and are the ones you should be using. WE HAVE PARTS AND DIAGRAMS AVAILABLE FOR EVINRUDE & JOHNSON OUTBOARD WIRING : Wondering "Where-'n-'Ell" to get great parts for your outboard? ... OUTBOARD WIRING DIAGRAMS These diagrams are accurate to the best of our knowledge; ... V-6 MOTORS 150 & 175 HP 1989 35-Amp: V-6 MOTORS 200 & 225 HP …Apr 25, 2022 ... Following the service manual, I rebuild one of the carburetors from my 2005 Johnson 150.May 18, 2013. #4. Re: Wiring tach from Johnson controls. The rubber plug you describe is there for the plug in type tachometer... it simply plugs in and the tachometer works. On the other side of that plug is a: Purple Wire: 12v supply for the tachometer. Gray Wire: Sensor lead for the tachometer. Black Wire: Ground lead for the tachometer. Johnson 150 v6 outboard, Jan 8, 2018 ... Clean Used 2004 Evinrude 150 HP V6 2 Stroke 25" Outboard Motor. Model number E150FPXSRS. Serial # 05052035. Weight - 427 lbs. 110-120 psi..., Sep 21, 2011 · Sep 21, 2011. #2. Re: Johnson GT 150. If it truly had water in the crankcase for two years, the motor is junk, and will be seized up. So try to turn the flywheel with the spark plugs out and see if she turns. If it is seized, I would think the motor is worthless, except for perhaps the gearcase. E. , TOP SELLING ITEMS FOR YOUR 1984 Outboard 150 [ J150TLCRD ] View parts diagrams and shop online for J150TLCRD : 1984 Outboard 150. Offering discount prices on OEM parts for over 50 years. FAST $4.95 shipping available., Re: 1992 Johnson 150 V-6 Silver Star Series need advice I have that same 55hp, love it. Fast little motor. Answered your questions above. You will likely get over 100 psi on that motor, but dont be overly concerned if it is only 100 or slightly above, you wont be getting 160psi or anything like that on that V6., Side Mount Remote Control For 1979 Johnson Outboard 150 150tl79c 150txl79c Boat. $209.99. Seeking Johnson 150 Controls & Steering online? Locate Johnson 150 Controls & Steering on sale below with the largest variety of Johnson 150 Controls & Steering anywhere online. , Best price guarantee. Expert live support. 50+ years of serving boaters. Huge selection of OEM parts - from 1950 to 2024. Most parts in stock - Same day fulfillment. Where is my …, Remanufactured or new lower unit for Johnson/Evinrude standard "O" type gearcase 150 thru 250 horsepower engines manufactured from 1979 to 2010. Includes break-in instructions. Standard rotation gearcases are only available new and counter rotation gearcases are only available remanufactured., When it comes to purchasing a new outboard motor for your boat, Yamaha is a brand that stands out. Known for their reliability and performance, Yamaha outboard motors are a popular..., Here's the solution for your Evinrude & Johnson 150 thru 175 60 degree looper V6 with a sick VRO. You get the fuel pump as shown, as well as the support of the MasterTech. ... OTOHANS AUTOMOTIVE Outboard Fuel Pump with Gasket for Johnson Evinrude 438556 433387 20-140 hp 48/90/115 18-7352., Are you looking for great deals on the products and services you need? Tory Johnson is here to help. She is a renowned deal expert and has been featured on Good Morning America, Th..., Your Johnson Evinrude model number is the key to finding the correct parts for your outboard motor. Model numbers are usually found on an ID tag on the mounting bracket. The model number will also help determine the "model year" of your motor. See our model number guides for help. Outboard Parts Inventory. , A short clip of my 1987 Johnson outboard running with flush muffs attached and a quick demo of the Forward and Reverse gears., Johnson - Evinrude 0438562 Fuel Pump Assembly. $112.49. $104.49. Add to Cart. Johnson Fuel Pumps. Boat fuel pumps carry gas from the fuel tank to each engine cylinder. These pumps affect how your outboard burns fuel, and therefore, how much power it can generate. Fuel pumps work under high pressure so over time, even Johnson fuel pum …, 1985 Johnson/Evinrude 150. Brand: Johnson. Prop Shaft Horsepower: 150hp. Options: Special Styling - Trim and Tilt. Shaft Length: Long 20″., Jan 8, 2018 ... Clean Used 2004 Evinrude 150 HP V6 2 Stroke 25" Outboard Motor. Model number E150FPXSRS. Serial # 05052035. Weight - 427 lbs. 110-120 psi..., , Outboard Marine Latest News; Home. Powerheads. Johnson. Johnson. Refine by ... Genuine OEM Evinrude/Johnson (powerhead assy) ... 2007-CURRENT Horsepower/Models: 150/175 V6 E-TEC MODELS Warranty Duration: 1 Year Limited Warranty, Message For... Add to Cart The item has been added. Add to Cart The item …, Pair 1999 Yamaha 150 hp Carbureted 2-Stroke 25" Dual Twin Outboard Motors V6. ... 1987 Johnson OMC 150 hp Outboard Boat Motor Hood Cowl Rubber Seal Gasket Cover ... , Johnson Evinrude Outboard Forum. Number (1) cylinder and fireing order OMC. Thread starter Skip R; Start date May 25, 2011; S. Skip R New member. May 25, 2011 #1 Which cylinder is the no. ( 1 ) one cylinder looking at the engine from the rear and what is the fireing order. 1996 Johnson ..., Feb 17, 2020 ... 17:52. Go to channel · Johnson 150 HP V6 Outboard With a Broken Crankshaft ? Brandon's Garage•13K views · 5:41. Go to channel · 1997 Johns..., Dec 7, 2008. #13. Re: 1998 Johnson 150 HP outboard-hard starting. tashasdaddy said: munrose, also if you tank is higher than the carbs, the oil will siphon down to the carbs and fill them. i disabled my OMS pump, on my pontoon boat, because of this. My tank is higher than the carbs on my pontoon boat as well., Buy OMC/JOHNSON/EVINRUDE 135, 150 HP, 175 HP Complete Power Head Gasket Kit V6 60 Degree FFI WSM 500-150 OEM# 439202: Gaskets - Amazon.com FREE DELIVERY possible on eligible purchases, Bookmarked, printable, searchable PDF Instant download Covers: 1973-1991 Johnson Evinrude 60 thru 235 HP outboard motors 60, 3 cyl 1986-91 65, 3 cyl 1973 70, 3 cyl 1974-91 75, 3 cyl 1975-85 85, V4 1973-80 90, V4 1981-91 100, V4 1979-80 115, V4 1973-84 115, V4 1990-91 120, V4 1985-91 135, V4 1973-76 140, V4 1977-91 150, V6, May 25, 2020 ... In this video we carefully work our way to the conclusion that I am an idiot. The easy answer to why my vintage Johnson 35hp won't turn ..., Dec 7, 2008. #13. Re: 1998 Johnson 150 HP outboard-hard starting. tashasdaddy said: munrose, also if you tank is higher than the carbs, the oil will siphon down to the carbs and fill them. i disabled my OMS pump, on my pontoon boat, because of this. My tank is higher than the carbs on my pontoon boat as well., TOP SELLING ITEMS FOR YOUR 1987 Outboard 150 [ J150GTLCUR ] View parts diagrams and shop online for J150GTLCUR : 1987 Outboard 150. Offering discount prices on OEM parts for over 50 years. FAST $4.95 shipping available. , This Evinrude lower unit fits V6 engines, 150, 175, 200, 225 HP and comes with a 3 year warranty. Buy a new Evinrude Johnson lower unit at USBoatworks. Price=$1,145 less $200 potential core rebate*= $ 945 final cost Aftermarket. 3 Year Warranty., Built to replace 150HP and 175HP V6 Outboard Engine Wires; Made from premium-quality materials to provide durability; Manufactured to high standards for safe and reliable performance; View More Details, UanofCn 5001594 Water Pump Repair Kit for Johnson Evinrude V4 V6 V8 85-300 HP Outboard Motor Parts Sierra Marine 18-3392. ... GHmarine 393630 Water Pump Impeller Repair Kit for Evinrude Johnson OMC 20 25 30 35 HP Outboard Model Sierra marine 18-3382. ... NEW RH Johnson Evinrude 150-175-200-225-250 Lower Unit Engine 1978 …, J150GLEN Fast Strike. This 1992, 150 hp Johnson is made for saltwater. This outboard engine weighs approximately 370 pounds. It has 6 cylinders. The pistons have a 158 displacement. The bore width is 3.6" and the stroke length is 2.58". This model has a electric starter and power steering. Your engine's RPM range is important in choosing …, Aug 11, 2012 ... Johnson 150VRO on a Procraft 1750. Johnson 150 VRO. 3.3K views · 11 years ago ...more. TechBlurt will chatham. 15. Subscribe., Looks like new, it was originally $40,000 Dual live wells, dual rod lockers, two storage compartments, built in cooler, 12 or 24v foot pedal trolling motor, dual fish finders, in dash depth finder, and on board charging port! 150 HP Johnson Outboard VRO V6 Motor 18 FEET long 4 cushioned seats Garmin fish finder 240 in frontHummingbird depth ..., May 18, 2013. #4. Re: Wiring tach from Johnson controls. The rubber plug you describe is there for the plug in type tachometer... it simply plugs in and the tachometer works. On the other side of that plug is a: Purple Wire: 12v supply for the tachometer. Gray Wire: Sensor lead for the tachometer. Black Wire: Ground lead for the tachometer.