Question about 2000 Harley Davidson FLSTC Heritage Softail Classic

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Runs rough I cut the wires to the tachometer and now the harley runs rough the tach did not work so I removed it

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  • Expert
  • 73 Answers

Probably wired in to the timing circuit. Try putting a resistor in there. Electronic ignition? Very temperamental about total resistance.

Posted on Mar 04, 2015

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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ctm72
  • 25 Answers

SOURCE: install a baron bullet tachometer on 2003 FLHRCI

remove big 1/2" nut below speedo, and + screw lower on tank dash, then lift intire dash and youre their. dose this help?

Posted on Nov 26, 2008

  • 1 Answer

SOURCE: Trying to install a harley davidson tach on 2007

The pink wire goes to the pink eng rpm signal wire coming from the ecm. Go to the stealership and ask 'em to show you where it is.

Aloha

Posted on May 01, 2009

  • 218 Answers

SOURCE: 2003 Harley Davidson Sportster 1200 Custom Tachometer kit

The only idea that i can come up with is that you dont have a good ground..or the guage was bad when you bought it..i hope this..Keith

Posted on Jul 02, 2009

  • 2 Answers

SOURCE: I'm installing a harley mini tach ( 3 wire ) on my

There should be a light green or violet wire coming from speedometer this is your database wire. This is were you hook up your last wire. Hope this helps, from 04-to 07 the wires are pretty much the same color.

wires from speedometer:

light green/ violet = database
black= ground
orange/white= inst power+12vdc

Posted on Oct 23, 2009

wd4ity
  • 4565 Answers

SOURCE: trying to replace speedometer and tachometer not sure of the wiri

Contact me off forum and I'll e-mail you a schematic. Make sure you remind me of what you want. Contact me at wd4ity@bellsouth.net

Posted on Jul 24, 2010

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Installing Tacho on 2004 H-D Sportster 883cc Custom


If you have the above model Harley, you'll know it doesn't have a Tacho as standard, and that the factory-fitted risers prohibit installation on the handlebar centre. After selecting a suitable after-market indicator - there are plenty on J&P Cycle's website - you'll need to make or buy a simple, triangular bracket (polished stainless steel looks good), with a hole at each corner, picking up the two lower riser trim plate bolts. The third hole is for attaching the Tacho cannister and you'll probably need to drill a fourth hole to allow need cable routing - which will obviously require a rubber grommet. Or you can be clever and drill out the centre of your attachment bolt to achieve the same effect - don't forget to chamfer/smooth out the edges.
What is absolutely essential for the electrical connection of a tacho is a Crane Cams Tach Adaptor - p/n: 8-2050 - also available from J&P. On the 2004 XL883C, you'll need to follow the "Ground-Sensing" instructions, which are included with the adaptor. Remove seat & tank from the bike, run the Tacho wiring near the coil, disconnect coil plug at coil then cut that plug off (three wires), ensuring you have at least 3" of cable "Tail" going into the coil plug to attach additional wiring. Using a good-quality ratchet crimping tool and Red/Blue connectors, follow the connection table below:
a) Join Tacho Red wire (12v input to Tach), together with Tacho Blue wire (lighting), then add both to Blue wire from Tach Adaptor module. Join these (use a Blue sleeve crimp), to White/Black wire (12v supply from ignition switch), then rejoin White/Black wires.
b) Add long, Black wire from Tach module to Blue/Orange wire (one of the two 'Dual-Coil' switching lines from Ignition module to coil primary winding), then rejoin Blue/Orange wires as in a) above.
c) Add White wire from Tach module to Yellow/Blue wire (the other coil switching line), then rejoin Yellow/Blue as above.
d) Connect the Short, Black wire from tach module to Green wire from Tachometer (tape & tie back the short Grey wire to module).
e) Connect Black wire from Tacho to a good earth. I installed a large ring terminal with three "spare" earth wires under the head of a forward upper engine mounting bracket, but most of the Black wires on your Harley should be earth/ground wires - check first!
Now all you should have to do is wrap all your cable junctions with spiral wrapping or insulating tape, reconnect the coil plug, resecure any wiring looms/harnesses that you may have moved, refit tank & seat, then off you go - with shiny new tachometer telling you how fast your V-twin's turning.
Enjoy.

on Dec 02, 2009 | 2004 Harley Davidson XL 883 Sportster

1 Answer

My 1981 corvette tach quite working how do I get working again?


1981 Corvette has an electical tachometer that is driven by impulses from the distributor. First, check for blown fuses, next make sure the tach wire is plugged into the distributor. Next bypass silver tach filter or capacitor located by manifold to see if the tach moves at all. If these steps do not reveal a change in tach operation, then the most obvious next step is to remove the tachometer and get a new board for the tachometer. Unscrew and remove cluster lens and then unscrew tach bezel, and gently pull out the tach noting position of insulators. I believe these boards are available still at local autoparts locations. Replace board, note position of insulators and reinstall tach, bezel and lens. Old corvette are cool and are pretty easy to work on! Should be fixed, enjoy!

Feb 15, 2015 | 1981 Chevrolet Corvette

1 Answer

IM LOOKING TO INSTALL A TACH ON A HARLEY SPORTSTER 1980 3 WIRES BLACK GREEN AND YELLOW


trail and error it will or wont work.. but i got a tac green goes to coil black ground yellow battery.. if dont work reverse the green and yellow thats the basic tac wiring

Sep 18, 2014 | Harley Davidson Motorcycles

1 Answer

2003 chevy trailblazer tach inop


The tachometer in your truck is controlled by the Instrument Panel Cluster (IPC) module, which recieves engine speed information from the Powertrain Control Module (PCM) via the digital communications network in your truck.

There may be an engine control problem that is causing your engine to run rough and cause your tachometer to not operate as well. However, there is no way that the tachometer itself is going to make the engine run poorly. The tachometer has no fuse of its own that does not also affect several other electrical circuits in your truck. Looking for the fuse as a possible fix for your problem is totally useless.

What you need to do is to scan your onboard computer network, incluuding the PCM, BCM, IPC and the ABS modules to see where the problem is located. It may even be a communications network error. There is no way of knowing for sure without establishing communications with the network and interfacing with all of the control modules that use the tachometer signal to perform certain functions.

PLEASE NOTE: Generic OBD code readers CANNOT perform the functions that will be needed to diagnose and repair this problem.

May 06, 2012 | Cars & Trucks

1 Answer

Tach only half reading


Hi Anonymous, their may be an issue if you are running a single fire ignition. Contact the folks who made the tachometer. Good luck.

May 05, 2012 | Harley Davidson XL 1200 C Sportster Custom...

1 Answer

The tachometer on my 2001 Sportster 1200 suddenly stopped working - is there a sensor that went bad or could it simply be the tachometer itself ? How can I determine the problem ?


Check the wires going to your coil. There may be a pink wire going to one side of the coil. If that wire is loose, your tach may not work. Also check the power wire, usually orange.

Good Luck
Steve

Oct 28, 2010 | 2001 Harley Davidson XL 1200 C Sportster...

1 Answer

2005 fxstbi- installing a tachometer tachometer, but no pink wire to get a rpm on tachometer. do have to go to negative side of coil? thanks.


yeah, that's what I was talking about. No pink wire on the later models but I'm sure they've got a wire for the tach on some the models that come with them. If you had a wiring diagram for one of those it would tell you what color they use now. But, if you only have one wire coming off the coil, that means there isn't another wire for a tach, Uhh. I wonder if the later models get the trigger off the crank sensor or maybe out of the ignition unit rather than the coil.

Jul 31, 2010 | 2005 Harley Davidson FXSTB - FXSTBI Night...

1 Answer

New tach does not work. Instructions are weak


The Tachometer is tied into the ignition circuit. The pink wire goes to one side of the coil. If there is a plug on the coil, remove the plug and see if there is an empty pin slot in the plug that might match something in your directions. I do know that the pink wire is the "trigger" wire on all Sportsters but I've never installed a tachometer on a Softail. Good Luck, Steve

May 04, 2010 | 2002 Harley Davidson FLSTF - FLSTFI Fat...

1 Answer

98 civic lx where is ignition coil?? ++


IT'S A BLUE WIRE ON THE BACK OF THE CONNECTOR THAT WOULD NORMALLY GO TO THE FACTORY TACHOMETER IN THE DASH. YOU HAVE TO REMOVE THE DASH GAUGE CLUSTER TO GET AT THE CONNECTOR. THE CONNECTOR WILL NOT BE PLUGGED INTO ANYTHING IF YOU DON'T HAVE A FACTORY TACHOMETER (DX, CX, HX ETC...YOU WILL HAVE TO SPLICE INTO OR CUT THE BLUE WIRE FROM THE PLUG. IT GOES TO TACH SIGNAL WIRE ON YOUR NEW TACH.

Jun 11, 2008 | 1998 Honda Civic

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